Hi there! We're here to help you decide between the Graco SlimFit3 LX 3-in-1 and the Graco Tranzitions 3-in-1 Harness Booster.
Our goal is to provide you with the information you need to feel confident that you're choosing the optimal car seat for your family's needs and budget. Let us know if you have any other questions!
At A Glance
Graco SlimFit3 LX 3-in-1 | Graco Tranzitions 3-in-1 Harness Booster | |
Type |
Convertible Rear-Facing Forward-Facing High Back Booster |
Convertible Forward-Facing High Back Booster Backless Booster |
Current price |
Currently unavailable
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Currently unavailable
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Rating | 4.90 | 4.77 |
Our Thoughts
We're here to break down the battle between two Graco greats - the SlimFit3 LX 3-in-1 and the Tranzitions 3-in-1 Harness Booster.
Both of these bad boys are total winners for parents who want a car seat that'll stick with their kid through thick and thin. They've got that sweet 3-in-1 design that goes from a harness seat to a booster as your kiddo grows. The SlimFit3 LX is a triple threat, starting as a rear-facing seat for tiny tots, then transforming into a forward-facing harness, and finally morphing into a high-back booster. It's got your back from 5 to 100 pounds!
The Tranzitions is a bit of a late bloomer, kicking things off as a forward-facing harness for toddlers before it becomes a high-back and backless booster. It's perfect for kiddos 22 to 100 pounds who are ready to live that big kid life.
Now, let's talk safety. Both of these seats are total champs in that department. The SlimFit3 LX is rocking a steel-reinforced frame and even has the FAA's seal of approval for jetsetting in both rear and forward-facing modes. The Tranzitions is no slouch either, meeting all those important safety standards, but it only gets the FAA thumbs-up for forward-facing.
Traveling with kids can get messy, but these two make cleanup a breeze with their removable, washable covers. The SlimFit3 LX ups the convenience factor with its no-rethread harness that adjusts easier than a pair of stretchy pants. Plus, its slim design means you can fit three across the backseat - perfect for growing families or carpool karaoke sessions.
If you're always on the go, the Tranzitions might be your new BFF. It's lightweight and easy to move from car to car, although some parents had a bit of trouble with installation.
So, which one should you pick? If you're looking for a seat that'll be your ride-or-die from day one, the Graco SlimFit3 LX 3-in-1 is the way to go. It's got longevity, safety, and convenience all rolled into one sweet package. But if you're watching your wallet or need something a bit more portable, the Graco Tranzitions 3-in-1 is still a solid choice that'll keep your kiddo safe and comfy from toddlerhood to big kid status.
Key Details
SlimFit3 LX 3-in-1 | Tranzitions 3-in-1 Harness Booster | |
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Brand | Graco | Graco |
Type |
Convertible Rear-Facing Forward-Facing High Back Booster |
Convertible Forward-Facing High Back Booster Backless Booster |
Weighted Rating | 4.90 | 4.77 |
1 yr Price Range | $195.99 - $279.99 | $97.99 - $139.99 |
Current price |
Currently unavailable
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Currently unavailable
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Value |
![]() The price point is moderate considering its 3-in-1 capability and longevity from infant to booster stage. |
![]() The price point combined with its 3-in-1 versatility offers significant savings over time. |
Safety |
![]() With its steel-reinforced frame and ProtectPlus engineering, it exceeds standard safety expectations. |
![]() It meets Graco's ProtectPlus Engineered safety standards, which is a rigorous test for safety. |
Features |
![]() The car seat includes a no-rethread harness, multiple recline positions, and dual cup holders, adding convenience. |
![]() The Simply Safe Adjust Harness System and portable design are standout features. |
Installation |
![]() The installation process is standard, with no specific enhancements that simplify it significantly. |
![]() Some parents find the installation process difficult and frustrating. |
Cleaning |
![]() The Rapid Remove cover is machine-washable, facilitating easy cleanup. |
![]() Easy to remove and washable parts make cleaning a breeze. |
Size |
![]() The slim profile is ideal for fitting three across in the backseat, a rare attribute in car seats. |
![]() The lightweight and compact design make it convenient for transfers between vehicles. |
Review | Click here | Click here |
Comparison of Specifications
While features and reviews provide a sense of real-world use, the specs offer quantifiable details on sizing, limitations, and more. Comparing key measurements and ranges side-by-side is crucial for ensuring you choose a seat properly fitted for your child and vehicle.
We've compiled the weight limits, height limits, dimensions, and other vital statistics for the Graco SlimFit3 LX 3-in-1 and the Graco Tranzitions 3-in-1 Harness Booster. This data will confirm whether each seat can accommodate your child's current size and projected growth. Specs like seat depth and width are also important for assessing fit with your car's backseat.
Review the following key measurements for both seats. Pay special attention to the height and weight limits to ensure your child falls within the safe ranges.
Height and Weight Limits
Rear-facing
Graco SlimFit3 LX 3-in-1 | Graco Tranzitions 3-in-1 Harness Booster | |
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Height Range | ||
Weight Range | 5 - 40 pounds |
Forward-facing
Graco SlimFit3 LX 3-in-1 | Graco Tranzitions 3-in-1 Harness Booster | |
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Height Range | 0 - 49 inches | 27 - 57 inches |
Weight Range | 22 - 65 pounds | 22 - 65 pounds |
Booster
Graco SlimFit3 LX 3-in-1 | Graco Tranzitions 3-in-1 Harness Booster | |
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Height Range | 43 - 57 inches | 0 - 49 inches |
Weight Range | 40 - 100 pounds | 30 - 100 pounds |
Dimensions and Weight
Graco SlimFit3 LX 3-in-1 | Graco Tranzitions 3-in-1 Harness Booster | |
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Width | 19.9 inches | 19.0 inches |
Height | 25.5 inches | 26.5 inches |
Depth | 21.5 inches | 17.4 inches |
Weight | 21.5 pounds | 20.0 pounds |
Core Specifications
Graco SlimFit3 LX 3-in-1 | Graco Tranzitions 3-in-1 Harness Booster | |
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Model Year | 2022 | 2018 |
Made In | China | China |
Frame Material | Reinforced Steel | Aluminum |
Safety and Compliance
Graco SlimFit3 LX 3-in-1 | Graco Tranzitions 3-in-1 Harness Booster | |||||||||||||||||||||
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Federal Safety Standards | Meets all standards | Meets all standards | ||||||||||||||||||||
Configurations FAA-Approved for Airplanes |
Forward-Facing Rear-Facing High Back Booster |
Forward-Facing High Back Booster Backless Booster |
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NHTSA Ease-of-Use Ratings | Not rated by NHTSA. |
Forward-Facing Mode
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Previous Recalls | This car seat has never been recalled. | This car seat has never been recalled. |
Features
Graco SlimFit3 LX 3-in-1 | Graco Tranzitions 3-in-1 Harness Booster | |
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Attachment Methods |
LATCH Seatbelt |
LATCH Seatbelt |
Harness Type | 5-Point | 5-Point |
Cup Holders | Has cup holders. | Has cup holders. |
Warranty and Durability
Graco SlimFit3 LX 3-in-1 | Graco Tranzitions 3-in-1 Harness Booster | |
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Manufacturers Warranty Length | 1 year | 1 year |
Lifespan | 10 Years | 7 Years |
Additional Links
See all Graco car seats |
Full review of the Graco SlimFit3 LX 3-in-1 Full review of the Graco Tranzitions 3-in-1 Harness Booster |