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Best All-in-One Car Seats Reviews and Guide

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Best All-in-One Car Seats

Welcome to our best all-in-one car seats reviews and guide.

Whereas infant car seats are designed for children of a specific age range, all-in-one car seats can be adapted to the needs of the child as they grow. This adaptability means that one car seat can last you all the way from infancy to pre-school years.

All-in-one car seats, as the name suggests, are kids’ car seats that can be used forward-facing or rear-facing. They are not quite as adaptable as convertible car seats, but they are usually cheaper.

All-in-one car seats will cost you less overall because you will not have to buy a new product as your child grows. However, there are some disadvantages that all-in-one car seats have, which we discuss further in our all-in-one car seat buyer’s guide at the bottom of this page. If you would like to learn more about the various types of car seats, read Types of Kids Car Seats Explained for Parents.

For this review, we have selected three of the best all-in-one car seats, and then we have taken a closer look at each product. To give you a broader idea of what is available on the market, we have also provided you with a list of ten of the best-selling all-in-one car seats. You will also find an all-in-one car seat buyer’s guide at the bottom of this page.

We hope that you find our best all-in-one car seats reviews and guide helpful. If you do like this page, please don’t forget to share the page on your social media accounts before you go. Thanks!

Header Image: Britax One4Life ClickTight All-in-One Car Seat.

Best All-in-One Car Seats – Quick guide

Below, you will find our quick guide to the three best all-in-one car seats that we have chosen. To read more about each product, scroll down the page, or click the “Read Our Review” button.

1. Graco 4Ever DLX 4 in 1 Car Seat
2. Britax One4Life ClickTight All-in-One Car Seat
3. Safety 1st Grow and Go 3-in-1 Car Seat
Rating
Preview
Graco 4Ever DLX 4 in 1 Car Seat | Infant to Toddler Car Seat, with 10 Years of Use, Kendrick
Britax One4Life ClickTight All-in-One Car Seat – 10 Years of Use – Infant, Convertible, Booster – 5 to 120 Pounds - SafeWash Fabric, Drift
Safety 1st Grow and Go 3-in-1 Car Seat, Harvest Moon
Brand
Graco
Britax
Safety 1st
Seat Type
All in One
All in One
All in One
Config 1
Rear-Facing Harness
Rear-Facing Harness
Rear-Facing Harness
Config 2
Forward-Facing Harness
Forward-Facing Harness
Forward-Facing Harness
Config 3
High-Back Booster
Forward-Facing Harness
High-Back Booster
Config 4
Backless Booster
High-Back Booster
-
Dimensions
20 x 21.5 x 24 inches
20.5 x 19.5 x 25 inches
24 x 19 x 23.8 inches
Weight
22.8 pounds
30 pounds
18.66 pounds
Child Weight
4 to 120 pounds
5 to 120 pounds
5 to 100 pounds
Reviews
5,624 Reviews
344 Reviews
4,933 Reviews
Price
$239.99
$337.49
$139.99
1. Graco 4Ever DLX 4 in 1 Car Seat
Rating
Preview
Graco 4Ever DLX 4 in 1 Car Seat | Infant to Toddler Car Seat, with 10 Years of Use, Kendrick
Brand
Graco
Seat Type
All in One
Config 1
Rear-Facing Harness
Config 2
Forward-Facing Harness
Config 3
High-Back Booster
Config 4
Backless Booster
Dimensions
20 x 21.5 x 24 inches
Weight
22.8 pounds
Child Weight
4 to 120 pounds
Reviews
5,624 Reviews
Price
$239.99
2. Britax One4Life ClickTight All-in-One Car Seat
Rating
Preview
Britax One4Life ClickTight All-in-One Car Seat – 10 Years of Use – Infant, Convertible, Booster – 5 to 120 Pounds - SafeWash Fabric, Drift
Brand
Britax
Seat Type
All in One
Config 1
Rear-Facing Harness
Config 2
Forward-Facing Harness
Config 3
Forward-Facing Harness
Config 4
High-Back Booster
Dimensions
20.5 x 19.5 x 25 inches
Weight
30 pounds
Child Weight
5 to 120 pounds
Reviews
344 Reviews
Price
$337.49
3. Safety 1st Grow and Go 3-in-1 Car Seat
Rating
Preview
Safety 1st Grow and Go 3-in-1 Car Seat, Harvest Moon
Brand
Safety 1st
Seat Type
All in One
Config 1
Rear-Facing Harness
Config 2
Forward-Facing Harness
Config 3
High-Back Booster
Config 4
-
Dimensions
24 x 19 x 23.8 inches
Weight
18.66 pounds
Child Weight
5 to 100 pounds
Reviews
4,933 Reviews
Price
$139.99

Last update on 2020-09-20 Source: Amazon Product Advertising API

Best All-in-One Car Seat Reviews

Next, we take a closer look at each of our chosen best all-in-one car seats. If you would like some guidance on how to select the best car seat for your child, you will find a car seat buyer’s guide at the bottom of this page. You may also be interested in reading our post, Types of Kids Car Seats Explained for Parents.

1. Graco 4Ever DLX 4 in 1 Car Seat

Graco 4Ever DLX 4 in 1 Car Seat, best all-in-one car seats, kid’s safety, children’s safety, car safety, vehicle safety, baby safety, driving safety, car seats, baby seats, child seatsPossibly better described as a convertible car seat, The Graco 4Ever DLX 4 in 1 Car Seat gets our vote for the most versatile of all our picks of the best all-in-one car seat.

The 4Ever DLX 4 in 1 Car Seat will last your child from infancy to the big-kid stage. The seat can be converted into four different configurations: rear-facing with a harness, front-facing with a harness, high-back booster, and a backless booster.

There are some great features on this car seat, including a 6-position recline and a 10-position headrest.

There is also a neat feature that adjusts the harness and headrest together without any need for rethreading. The cover is easy to remove for cleaning too.

The Graco 4Ever DLX 4 in 1 Car Seat gets excellent reviews from customers as well. Any negative reviews appear to be focussed on the seating position for infants, which can be one of the drawbacks of all-in-one car seats. Overall, though, the Graco 4Ever DLX 4 in 1 Car Seat has an impressive 89% 5-star rating from customers.

If you have decided that you want to buy an all-in-one car seat that will last you for ten years, then the Graco 4Ever DLX 4 in 1 Car Seat is one to include on your shortlist.

Graco 4Ever DLX 4 in 1 Car Seat – Summary:

Sale
Graco 4Ever DLX 4 in 1 Car Seat | Infant to Toddler Car Seat, with 10 Years of Use, Kendrick
5,624 Reviews
Graco 4Ever DLX 4 in 1 Car Seat | Infant to Toddler Car Seat, with 10 Years of Use, Kendrick
  • 4-in-1 car seat gives you 10 years of use: seamlessly transforms from rear-facing harness car seat (4-40 pounds ), to forward-facing harness car seat (22-65 pounds), to highback belt-positioning booster (40-100 pounds ), to backless belt-positioning booster (40-120 pounds )
  • Graco ProtectPlus Engineered helps to protect your little one in frontal, side, rear and rollover crashes.
  • Simply Safe Adjust Harness System adjusts the height of your harness and headrest to 10 positions in one motion to ensure that your child is always properly secured
  • 6-position recline helps keep your growing child comfy on your many journeys together

Last update on 2020-09-20 Source: Amazon Product Advertising API

2. Britax One4Life ClickTight All-in-One Car Seat

Britax One4Life ClickTight All-in-One Car Seat, best all-in-one car seats, kid’s safety, children’s safety, car safety, vehicle safety, baby safety, driving safety, car seats, baby seats, child seatsThe Britax One4Life ClickTight All-in-One Car Seat is an all-in-one car seat that can be used rear-facing for infants and front-facing when your child gets older.

The One4Life ClickTight child seat can be used in four different ways: rear-facing with a harness for infants, front-facing with a harness for toddlers, high-back front-facing with a harness for pre-school years, and front-facing with the car’s seatbelt for older kids.

The Britax One4Life ClickTight All-in-One Car Seat protects kids of all ages.

The seat features high sides to protect the child’s head, a reinforced seat, crumple zones, and a V-shaped tether to keep the set stable in a crash.

The headrest has fifteen positions, so the seat can be adjusted as your child grows, and there are six recline positions. There are also cooling vents built into the sides of the chair to help keep your child cool.

The Britax One4Life ClickTight is another highly rated car seat. The only thing that this seat lacks that the Graco 4Ever DLX 4 has is the backless booster seat. Overall, we rate this product as one of the best all-in-one car seats for quality and convenience.

Britax One4Life ClickTight All-in-One Car Seat – Summary:

Sale
Britax One4Life ClickTight All-in-One Car Seat – 10 Years of Use – Infant, Convertible, Booster – 5 to 120 Pounds - SafeWash Fabric, Drift
344 Reviews
Britax One4Life ClickTight All-in-One Car Seat – 10 Years of Use – Infant, Convertible, Booster – 5 to 120 Pounds - SafeWash Fabric, Drift
  • 10 years of use: New one4life convertible to booster car seat grows with your child from 5 to 120 pounds & up to 63 inch tall
  • Install confidently: With a ClickTight installation, you'll know it's right in 3 easy steps
  • One4life: Converts from rear facing infant car seat, to forward facing 5 point harness, to high back belt positioning booster
  • Britax safety: High strength steel frame, crumple zone helps absorb crash energy and patented v shaped tether

Last update on 2020-09-20 Source: Amazon Product Advertising API

3. Safety 1st Grow and Go 3-in-1 Car Seat

Safety 1st Grow and Go 3-in-1 Car Seat, best all-in-one car seats, kid’s safety, children’s safety, car safety, vehicle safety, baby safety, driving safety, car seats, baby seats, child seatsOur next selection for the best all-in-one car seat is the Safety 1st Grow and Go 3-in-1 Car Seat, which is suitable for children weighing from 4 to 500 pounds.

The Safety 1st Grow and Go can be used in three configurations. When used as a rear-facing car seat, the baby seat is suitable infants weighing between 5 and 40 pounds. The seat can be flipped around and used as a forward-facing car seat for kids weighing 22 to 65 pounds. And the Safety 1st Grow and Go 3-in-1 Car Seat can be used as a high-back booster seat for kids weighing 40 to 100 Pounds.

We picked the Safety 1st Grow and Go 3-in-1 Car Seat as the best all-in-one car seat in respect of value for money. At under $150, at the time of writing this review, the 1st Grow and Go 3-in-1 Car Seat costs substantially less than our two selections.

The Safety 1st Grow and Go 3-in-1 Car Seat lacks some of the features of our first two selections, though. The car seat meets the legal requirements, but the more expensive child seats will offer even more safety features than the law requires.

If you are looking for an affordable, no-frills, all-in-one car seat, the Safety 1st Grow and Go 3-in-1 Car Seat will fit the bill nicely.

Safety 1st Grow and Go 3-in-1 Car Seat – Summary:
Safety 1st Grow and Go 3-in-1 Car Seat, Harvest Moon
4,933 Reviews
Safety 1st Grow and Go 3-in-1 Car Seat, Harvest Moon
  • Built to grow: The 3 in 1 car seat built to grow for extended use through 3 stages: Rear facing 5 40 pounds, forward facing 22 to 65 pounds, and belt positioning booster 40 to 100 pounds
  • Side impact protection: The grow and go’s side impact protection helps keep your child safe
  • Easy in, easy out: Harness holders keep the harness in an open position so it is easy to get your child in and out of the seat. Rear facing height is 19 to 40 inches. Forward facing height is 29 to 52 inches
  • Quickfit harness: With the quickfit harness you can easily adjust both the harness and headrest in one simple step

Last update on 2020-09-20 Source: Amazon Product Advertising API

Best-Selling All-in-One Car Seats

The above are our selections of some of the best all-in-one car seats. But we like to give the full picture. So, below, you will find ten of the best selling all-in-one car seats. All or top-ten lists are updated automatically, so what you see in this list below are the all-in-one car seats that people are buying right now.

SaleBestseller No. 1
Graco 4Ever DLX 4 in 1 Car Seat | Infant to Toddler Car Seat, with 10 Years of Use, Kendrick
5,624 Reviews
Graco 4Ever DLX 4 in 1 Car Seat | Infant to Toddler Car Seat, with 10 Years of Use, Kendrick
  • 4-in-1 car seat gives you 10 years of use: seamlessly transforms from rear-facing harness car seat (4-40 pounds ), to forward-facing harness car seat (22-65 pounds), to highback belt-positioning booster (40-100 pounds ), to backless belt-positioning booster (40-120 pounds )
  • Graco ProtectPlus Engineered helps to protect your little one in frontal, side, rear and rollover crashes.
  • Simply Safe Adjust Harness System adjusts the height of your harness and headrest to 10 positions in one motion to ensure that your child is always properly secured
  • 6-position recline helps keep your growing child comfy on your many journeys together
SaleBestseller No. 2
Britax One4Life ClickTight All-in-One Car Seat – 10 Years of Use – Infant, Convertible, Booster – 5 to 120 Pounds - SafeWash Fabric, Drift
344 Reviews
Britax One4Life ClickTight All-in-One Car Seat – 10 Years of Use – Infant, Convertible, Booster – 5 to 120 Pounds - SafeWash Fabric, Drift
  • 10 years of use: New one4life convertible to booster car seat grows with your child from 5 to 120 pounds & up to 63 inch tall
  • Install confidently: With a ClickTight installation, you'll know it's right in 3 easy steps
  • One4life: Converts from rear facing infant car seat, to forward facing 5 point harness, to high back belt positioning booster
  • Britax safety: High strength steel frame, crumple zone helps absorb crash energy and patented v shaped tether
SaleBestseller No. 3
Graco SlimFit 3 in 1 Convertible Car Seat | Infant to Toddler Car Seat, Saves Space in your Back Seat, Darcie
3,430 Reviews
Graco SlimFit 3 in 1 Convertible Car Seat | Infant to Toddler Car Seat, Saves Space in your Back Seat, Darcie
  • Simply Safe Adjust Harness System adjusts the height of Your harness and headrest; integrated harness storage compartment Holds unused harness straps while seat is a belt positioning booster
  • Engineered & crash tested to meet or exceed US Standard FMVSS 213; the Slim Fit car seat has been side impact tested for occupant retention solely with the built in 5 Point harness system; features EPS foam
  • Plush Supports keep Your child comfortable and are removable; washable seat cover is Easy to access without removing the harness; Car seat depth is 16.25 inch; Car seat height is 25.5 inch; Car seat width inside is 19.75 inch
  • Graco Protect Plus Engineered: a combination of the most rigorous crash tests that helps protect Your child in frontal, side, rear & rollover crashes; additional testing based on the New Car Assessment Program and for extreme car interior temperatures
SaleBestseller No. 4
Symphony Elite All-in-One Car Seat, Paramount
559 Reviews
Symphony Elite All-in-One Car Seat, Paramount
  • THE ULTIMATE ALL-IN-ONE CAR SEAT: The Evenflo Symphony Elite All-in-One Convertible Car Seat is a robust all-in-one car seat that fits children from 5 to 110 pounds. It has been designed to serve as the only car seat you’ll ever need.
  • REAR – FORWARD – BOOSTER SEATING: In rear-facing mode, it can protect infants from 5 to 40 pounds, in forward-facing mode, toddlers from 22 to 65 pounds, and in booster-mode supporting children from 40 to 110 pounds.
  • EXCLUSIVE LATCH TECHNOLOGY: The Evenflo Symphony Elite All-in-One Convertible Car Seat features an innovative SureLatch system that easily ratchets to achieve a tighter installation and a wiggle-free seat.
  • ENGINEERED FOR ENHANCED SAFETY: The Symphony Elite is designed for optimal safety. Our five-point Infinite Slide harness easily slides to adjust for an accurate fit every time, which means easy in and out for your child.
Bestseller No. 5
Safety 1st Grow and Go 3-in-1 Car Seat, Harvest Moon
4,933 Reviews
Safety 1st Grow and Go 3-in-1 Car Seat, Harvest Moon
  • Built to grow: The 3 in 1 car seat built to grow for extended use through 3 stages: Rear facing 5 40 pounds, forward facing 22 to 65 pounds, and belt positioning booster 40 to 100 pounds
  • Side impact protection: The grow and go’s side impact protection helps keep your child safe
  • Easy in, easy out: Harness holders keep the harness in an open position so it is easy to get your child in and out of the seat. Rear facing height is 19 to 40 inches. Forward facing height is 29 to 52 inches
  • Quickfit harness: With the quickfit harness you can easily adjust both the harness and headrest in one simple step
SaleBestseller No. 6
Graco Grows4Me 4 in 1 Car Seat, Infant to Toddler Car Seat with 4 Modes, West Point
164 Reviews
Graco Grows4Me 4 in 1 Car Seat, Infant to Toddler Car Seat with 4 Modes, West Point
  • 4 seats in 1: 4-in-1 seat gives you 10 years of use--it seamlessly transforms from rear-facing harness (5-40 lb), to forward-facing harness (22-65 lb), to highback booster (40-100 lb), to backless booster (40-110 lb).
  • Simply Safe Adjust Harness System: Adjust the height of your harness and headrest to 10 positions in one motion to ensure that your child is always properly secured.
  • 10-position Headrest: One-hand, 10-position adjustable headrest is easy to use and grows to properly fit your growing child.
  • 6-position Recline: Helps keep your growing child comfy on your many journeys together.
SaleBestseller No. 7
Evenflo EveryStage DLX All-in-One Car Seat, Reclining Car Seat,Infant Convertible & Booster Seat,Grows with Child Up to 120 pounds, Angled for Comfort & Safety, 3-Times-Tighter Installation, Reef Blue
158 Reviews
Evenflo EveryStage DLX All-in-One Car Seat, Reclining Car Seat,Infant Convertible & Booster Seat,Grows with Child Up to 120 pounds, Angled for Comfort & Safety, 3-Times-Tighter Installation, Reef Blue
  • DURABLE ALL-IN-ONE CAR SEAT: The Evenflo EveryStage DLX all-in-one reclining car seat has been infused with the innovative EasyClick LATCH system, which easily ratchets to achieve a tighter installation that produces a wiggle-free seat.
  • CUSTOM CRADLED FIT: Evenflo’s EveryStage all-in-one car seat features a proprietary in-seat reclining feature that provides enhanced support by comfortably angling your child to minimize head slump while helping keep her airway open.
  • INFANT + BOOSTER + CONVERTIBLE: Our all-in-one car seat is a complete 3-in-1 child car seat. It’s a rear-facing harness, forward-facing harness, and belt-positioning booster that delivers a secure and safe ride for up to a decade.
  • ADJUSTS FOR MULTIPLE POSITIONS: Our Evenflo DLX all-in-one car seat features a no-rethread harness, which can easily adjust the harness fit. It also can adjust to multiple positions without having to extend the seat or cramp other passengers.
SaleBestseller No. 8
Graco 4Ever Extend2Fit 4 in 1 Car Seat | Ride Rear Facing Longer with Extend2Fit, Clove
551 Reviews
Graco 4Ever Extend2Fit 4 in 1 Car Seat | Ride Rear Facing Longer with Extend2Fit, Clove
  • 4-in-1 seat grows with your child, so you can enjoy 10 years of use, from 4 - 120 lb Extend2Fit 4-position extension panel provides 5" additional leg room
  • Up to 50 lb rear-facing allowing your child to safely ride rear-facing longer plush inserts keep your child comfortable washable seat cover is easy to remove without removing the harness
  • Simply Safe Adjust Harness System headrest and Harness adjust together one-hand, 10-position adjustable headrest easily adapts for your growing child
  • In Right LATCH system for an easy, one-second LATCH attachment integrated belt lock-off for easy vehicle seat belt installation easy-to-read level indicator helps eliminate rear-facing installation guesswork
Bestseller No. 9
Evenflo Platinum Symphony Elite All-In-One Car Seat
212 Reviews
Evenflo Platinum Symphony Elite All-In-One Car Seat
  • This All-In-One Convertible Car Seat fitting children from 5-110 pounds is the only car seat you'll ever need providing rear-facing, forward facing and booster capabilities
  • The Symphony LX helps protect rear facing infants from 5-40 pounds, forward facing toddlers from 22-65 pounds and high back booster mode supports children 40-110 pounds
  • Quick Connector LATCH system safely attaches and detaches to car with one hand, making movement between multiple cars easy;Evenflo Temperature Testing
  • The 5-point Infinite Slide harness easily slides to adjust for an accurate fit every time which means easy in and out for your child
SaleBestseller No. 10
Chicco Fit4 4-in-1 Convertible Car Seat | Easiest All-in-One from Infant to Booster | 10 Years of Use - Stratosphere
35 Reviews
Chicco Fit4 4-in-1 Convertible Car Seat | Easiest All-in-One from Infant to Booster | 10 Years of Use - Stratosphere
  • Designed to deliver premier child fit and comfort at each unique stage, Fit4 makes it easy to correctly secure your child from birth through big kid booster for ultimate comfort, convenience and peace of mind as your baby grows to age ten.
  • 4-Stage FitKit System provides optimal fit and comfort through multi-staged construction and easy-to-remove layers, providing more room to grow through each unique stage
  • Easiest all-in-one car seat to install correctly, thanks to Chicco-exclusive installation features including ReclineSure leveling system, RideRight bubble levels, force-multiplying SuperCinch LATCH tightener and LockSure belt-tightening system
  • DuoGuard side-impact protection offers 2 layers of protection with a steel-reinforced frame and EPS energy-absorbing foam that surround the head and torso, while a best-in-class 10-position headrest accommodates maximum growth

Last update on 2020-09-20 Source: Amazon Product Advertising API

All-in-One Car Seat Buyers Guide

All-in-one car seats do offer excellent value for money. You only need to buy one product that will last the child from infancy up until they can sit in the regular car seats. However, there are some drawbacks to this type of baby seat. So, here is our guide on what to consider when buying an all-in-one car seat.

1. Check the Recommended Weights and Heights

The first thing to look at when buying any type of child car seat is the recommended weight and height. You should never use a car seat that is not the right size for your child because that would be dangerous.

When buying an all-in-one car seat, be especially careful to check the lowest weight that is recommended for the product. Some products of this type are not suitable for newborns.

2. Check Your Car

Some all-in-one car seats and convertible car seats are big and bulky. So, check how much space you have in the back of your vehicle to ensure that the car seat will fit. You will also need to check if your car has the LATCH system installed. LATCH stands for Lower Anchors and Tethers for Children, and it is a standardized anchoring system for kids’ car seats. Most modern car seats can be used with either the car seat belts or the LATCH system, but it’s worth checking to be sure.

3. Stroller Compatible Car Seats

One of the disadvantages of all-in-one car seats that they do not usually have a separate base and chair with a handle like infant car seats do. So, unlike an infant car seat, you will not be able to lift the chair out of the car with the baby still in it. And, you will not be able to slot the car seat straight into a compatible stroller.

4. Look at the Seating Position

Consider how comfortable an infant will be sitting in the chair when the product is used as a rear-facing baby seat. Because all-in-one car seats are a single product designed to fit children of all sizes, there can be a trade-off in comfort. You might find that an all-in-one car seat is not as comfortable for a small baby as a purpose-made infant car seat would be.

5. Always Buy New If You Can

It is not recommended that you buy used car seats of any kind. Second-hand car seats may have been misused in the past, and old car seats may not meet the latest safety standards. Also, do not go for the cheapest all-in-one car set you can find. Very cheap car seats will likely not provide the same level of protection of the child as a premium car seat would.

6. Read the Customer Reviews

When you are looking for the best all-in-one car seat for your child, read some of the customer reviews before you make a purchase. The people who are in the best position to give you an opinion of any baby products are parents who used the item day in and day out in real life!

Conclusion

Many thanks or reading our best all-in-one car seats reviews and guide. We hope that is has been useful for you. If you did like this page, please do share it with your friends on social media. Thanks!

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