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Graco SlimFit3 LX 3-in-1

Graco SlimFit3 LX 3-in-1

4.7· 1,900 ratings

Best price now

$205.99at eBayObserved at 7:19 AM

31% under what the other stores charge

Compared across 5 stores. Prices are checked against each store and labelled with when.

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Our take on the Graco SlimFit3 LX 3-in-1

The Graco SlimFit3 LX is a 3-in-1 convertible car seat that goes from rear-facing harness to forward-facing harness to highback booster. Its 16.7-inch width is the selling point: it fits three across in many back seats without giving up a 5-point harness or a 10-position headrest. The seat is 19.2 lb, has EPS foam and plush inserts, and is airplane certified in harness mode only. At $205.99 at eBay as of November 4, 2026, it sits at the low end of its recent range, with 5 stores pricing it new.

Best forFamilies fitting three seats across a back seatParents who want one seat from newborn to booster ageSmall cars and tight second rowsTravelers who need a harnessed seat on a plane
Pros
  • Narrow 16.7-inch shell fits three across in many vehicles
  • 10 headrest and 10 harness height positions grow with the child
  • InRight LATCH gives an audible click to confirm a tight install
  • Rapid Remove cover is machine washable
  • Dual level indicators help get the rear-facing angle right
  • EPS energy-absorbing foam and plush inserts
Cons
  • 19.2 lb is heavy to move between cars
  • Airplane certified only in harness mode, not as a booster
  • Booster mode tops out at 57 inches and 40 lb minimum
  • No cup holders on the base model
  • Rear-facing harness limit is lower than some extended rear-facing seats

Graco SlimFit3 LX 3-in-1 prices at every store

  • eBayNew

    In stockSold by quahor-81

    $205.99Observed at 7:19 AM
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  • TargetNew

    In stock

    $299.99Observed at 7:19 AM
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  • WalmartNew

    In stock

    $299.99Observed at 7:19 AM
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  • Macy'sNew

    In stock

    $299.99Observed at 7:19 AM
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  • Martexplore.comNew

    In stock

    $349.99Observed at 7:18 AM
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Also available at

  • eBayCheck price at eBay
  • Albee BabyCheck price at Albee Baby
  • BabylistCheck price at Babylist
  • Bed Bath & BeyondCheck price at Bed Bath & Beyond
  • DoorDashCheck price at DoorDash
  • RebelCheck price at Rebel
  • Graco BabyCheck price at Graco Baby
  • PiccolinobabyCheck price at Piccolinobaby
  • ShiptCheck price at Shipt

Graco SlimFit3 LX 3-in-1 price history

Lowest price we've seen: $205.99 on Nov 4 at eBay. Tracked across 13 stores since Nov 4.

What reviewers say

Owners rate it 4.7 out of 5 across about 1,900 ratings. The narrow fit and easy install draw the most praise; weight and booster-mode limits come up most in complaints.

Pros
  • Fits three across in compact back seats
  • LATCH click makes installs feel secure
  • Easy-to-clean removable cover
  • Headrest and harness adjust without rethreading
Cons
  • Heavy to carry and reinstall
  • Booster mode feels like a compromise versus a dedicated booster
  • No cup holders

Specifications

Harness Type
5-point harness system
Max Height Capacity
57'' (highback booster)
Max Weight Capacity
65 lb (forward-facing harness)
Min Height Capacity
43'' (highback booster)
Min Weight Capacity
40 lb (highback booster)
Airplane Certified
Yes (in harness mode only)
Installation Indicator
Audible click (InRight LATCH)
Level Indicator
Dual easy-to-read level indicators
Seating Direction
Rear-facing, Forward-facing
Seating Type
3-in-1 Car Seat
Booster Type
Highback booster
Recline Function
Yes
Seating Cushioning
Plush head and body inserts
Headrest Type
Adjustable
Included Accessories
Removable, plush head and body inserts
Minimum Age
Newborn
Depth
20.7 in
Height
24.5 in
Width
16.7 in
Filler Material
EPS energy-absorbing foam
Product Weight
19.2 lb
Washable Fabric
Machine washable (Rapid Remove cover)
Headrest Positions
10 positions
Harness Height Positions
10 positions

Questions and answers

Is the SlimFit3 LX worth it over the regular SlimFit3?
The LX adds the InRight LATCH audible-click install and plush inserts. If you move the seat between cars often, the easier install is worth the step up; otherwise the core narrow shell is the same.
Does it really fit three across?
At 16.7 inches wide, it fits three across in many mid-size and large back seats. Check your vehicle's seat width and buckle positions first, since contoured seats can still make three tight.
Can I use it on a plane?
Yes, but only in harness mode. It is not certified for aircraft use as a booster, so plan a different booster for the destination.
What are the weight and height limits?
Forward-facing harness goes to 65 lb. Highback booster mode is for 40 to 65 lb and 43 to 57 inches tall.
When is it cheapest?
The current $205.99 at eBay as of November 4, 2026 is already near the bottom of its recent range. Car seat discounts cluster around Black Friday and spring baby events, so waiting rarely saves much beyond that.
What's in the box?
The seat, the removable plush head and body inserts, and the LATCH connectors. Cup holders are not included.
Where is the Graco SlimFit3 LX 3-in-1 cheapest?
At eBay, for $205.99, 31% under what the other stores charge, as of our latest check.
What do buyers say about the Graco SlimFit3 LX 3-in-1?
Rated 4.7 out of 5 from 1,900 ratings.
Where can I buy the Graco SlimFit3 LX 3-in-1?
13 stores we checked sell it, including eBay, Target, Walmart, Macy's, Martexplore.com.

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