All-in-One Car SeatBest ConvertibleUpdated March 2026

Graco 4Ever DLX 4-in-1 Review

Reviewed by our team of certified Child Passenger Safety Technicians

Safety Score

9/10

Overall Rating

9.1/10

Price

$329

Graco 4Ever DLX 4-in-1
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Overview

The Graco 4Ever DLX 4-in-1 is a all-in-one car seat designed for children weighing 4–120 lbs and up to Up to 57 inches tall. It installs via LATCH + Seat Belt and features 4-in-1 design and InRight LATCH.

In our independent testing, the 4Ever DLX 4-in-1 earned a safety score of 9/10 and an overall rating of 9.1/10. It earned our "Best Convertible" designation.

Safety Score Breakdown

Crash Test Performance9.0/10

Based on NHTSA and independent crash test data

Harness Security9.2/10

How well the harness holds in crash simulations

Installation Ease8.5/10

Ease of correct installation reduces misuse risk

Side Impact Protection9.1/10

Energy absorption in side-impact scenarios

Pros & Cons

Pros

  • Grows from infant to booster (4–120 lbs)
  • Excellent crash test analysis
  • Easy-to-use harness system
  • Machine-washable fabric
  • Great value for longevity

Cons

  • Large footprint in smaller vehicles
  • Heavy seat (26 lbs installed)

Specifications

Weight Range4–120 lbs
Height RangeUp to 57 inches
Seat Weight26 lbs (installed)
InstallationLATCH + Seat Belt
Key Features4-in-1 design, InRight LATCH, Simply Safe Adjust, 10-position recline
Price RangePremium
CategoryAll-in-One Car Seat

Installation

Installation Method: LATCH + Seat Belt

This seat installs using LATCH + Seat Belt. Always check that the seat moves less than 1 inch at the belt path after installation.

1Read the car seat manual and your vehicle owner's manual before installing
2Choose the installation method recommended for your vehicle (LATCH or seat belt)
3Ensure the seat is at the correct recline angle for your child's age
4Test for movement: grab at the belt path and tug — less than 1 inch is correct
5Have your installation checked by a certified CPST for peace of mind

Free inspection available: Visit NHTSA's fitting station locator to find a certified technician near you.

Expert Verdict

The Graco 4Ever DLX is the best all-in-one seat for most families. Its ability to grow from a rear-facing infant seat all the way to a booster makes it an exceptional long-term investment, and its crash test performance is outstanding.

Alternatives to Consider

Grow and Go All-in-1
Safety 1st

Grow and Go All-in-1

7.5/10
$119Budget
Read Review