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How Do Car Seats Fit in a 2023 Lexus NX 350h?

lexus nx 350h 2023 02 interior backseat car seat scaled jpg 2023 Lexus NX 350h | Cars.com photo by Jennifer Geiger

The verdict: Lexus redesigned its NX compact SUV for 2022 with new looks and an improved infotainment system; it also grew a bit in size. For this Car Seat Check, we tested the hybrid version, the NX 350h, which scored well thanks to its easy-access lower anchors. It has the same amount of rear legroom as the gas-powered version, so this Car Seat Check also applies to that model; see them compared.

Does it fit three car seats? No.

Take a look at how the Latch system and each car seat scored below in our Car Seat Check of the 2023 Lexus NX 350h.

Related: Search Car Seat Checks

lexus nx 350h 2023 csc scorecard png Cars.com graphic

A Grade

  • Latch: The NX’s two sets of lower anchors are partially exposed for easy access and connection. Three top tether anchors sit a third of the way down the seatback. They’re clearly marked but embedded into the carpet; we lowered the forward-facing convertible seat’s grade because of this.
lexus nx 350h 2023 01 interior backseat car seat scaled jpg 2023 Lexus NX 350h | Cars.com photo by Jennifer Geiger

B Grade

  • Infant seat: Connecting to the lower anchors was easy, though we had to move the front passenger seat up just a bit to accommodate the infant seat behind it. Our 5-foot-6-inch front passenger fit OK, but taller passengers will need more legroom to be comfortable.
  • Rear-facing convertible: As with the infant seat, Latch connection was easy, and front-passenger legroom was decent for an average-size person; taller passengers may need more room.
  • Forward-facing convertible: We removed the head restraint to situate the car seat flush against the seatback. We had no trouble connecting to the lower anchors, but this car seat lost a grade because of its top tether connection. The three top tether anchors are clearly marked a third of the way down the seatback, but they’re embedded into the carpet and require a bit of digging to connect.
  • Booster: After we removed the head restraint, the booster fit well. The outboard buckles sit on very short stalks, so they’re almost flush with the bottom seat cushion, making them difficult to grasp. The middle buckle is floppy, too, which could present a challenge for small hands to use independently.

C Grade

  • None
lexus nx 350h 2023 03 interior backseat car seat scaled jpg 2023 Lexus NX 350h | Cars.com photo by Jennifer Geiger

Grading Scale

A: Plenty of room for the car seat and the child; doesn’t impact driver or front-passenger legroom. Easy to find and connect to Latch and tether anchors. No fit issues involving head restraint or seat contouring. Easy access to the third row.

B: One room, fit or connection issue. Some problems accessing the third row when available.

C: Marginal room plus one fit or connection issue. Difficult to access the third row when available.

D: Insufficient room, plus multiple fit or connection issues.

F: Does not fit or is unsafe.

About Cars.com’s Car Seat Checks

Editors Jennifer Geiger and Jennifer Newman are certified child safety seat installation technicians.

For the Car Seat Check, we use a Chicco KeyFit 30 infant-safety seat, a Graco Contender 65 convertible seat and Graco TurboBooster seat. The front seats are adjusted for a 6-foot driver and a shorter passenger. The three child seats are installed in the second row. The booster seat sits behind the driver’s seat, and the infant and convertible seats are installed behind the front passenger seat.

We also install the forward-facing convertible in the second row’s middle seat with the booster and infant seat in the outboard seats to see if three car seats will fit; a child sitting in the booster seat must be able to reach the seat belt buckle. If there’s a third row, we install the booster seat and a forward-facing convertible. Learn more about how we conduct our Car Seat Checks.

Parents should also remember that they can use the Latch system or a seat belt to install a car seat, and that Latch anchors have a weight limit of 65 pounds, including the weight of the child and the weight of the seat itself.

Cars.com’s Editorial department is your source for automotive news and reviews. In line with Cars.com’s long-standing ethics policy, editors and reviewers don’t accept gifts or free trips from automakers. The Editorial department is independent of Cars.com’s advertising, sales and sponsored content departments.

Photo of Jennifer Geiger
News Editor Jennifer Geiger joined the automotive industry in 2003, much to the delight of her Corvette-obsessed dad. Jennifer is an expert reviewer, certified car-seat technician and mom of three. She wears a lot of hats — many of them while driving a minivan. Email Jennifer Geiger

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