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How Do Car Seats Fit in a 2024 Rivian R1S?

rivian r1s 2024 interior oem 02 jpg 2024 Rivian R1S | photo by Jenni Newman

The verdict: The Rivian R1S is an electric luxury SUV that seats seven people in three rows; it has a second-row bench seat and a two-seat third row. In our Car Seat Check, the R1S scored well for its accessible Latch anchors in both the second and third rows; however, third-row legroom can be tight.

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 2024 Rivian R1S.

Related: Search Car Seat Checks

rivian r1s 2024 interior oem 03 jpg graphic

Latch: Grade A

In the second row, the two sets of lower anchors sit about an inch into the seat bight, where the back and bottom cushions meet. The anchors were easy to find and use. Three top tethers sit at the top of the seatbacks; they’re well marked for easy access and connection.

Infant Seat: Grade B

Connecting to the lower anchors was easy using the infant seat’s rigid Latch connectors. To install this seat, we had to move the front seat forward a bit to accommodate it. Our 5-foot-7-inch front passenger had OK legroom, but taller folks will likely need more to be comfortable.

Rear-Facing Convertible: Grade B

We reclined the seat back a bit to expose the lower anchors when installing the convertible in rear mode because it helped us find the anchors with the convertible’s skinnier, hooklike connectors. Again, taller front passengers will need a bit more legroom to be comfortable in front of this seat.

Forward-Facing Convertible: Grade A

The convertible in forward mode fit well. We left the seat in the reclined position, which helped with the installation of this car seat. We also routed the top tether strap over the head restraint, per the owner’s manual’s instructions.

Booster Seat: Grade B

The booster went in easily and fit well; the second-row’s head restraints come out for a better fit. The second row’s buckles are floppy, however, which could make them tough for kids to grasp and use independently.

rivian r1s 2024 interior oem 01 jpg 2024 Rivian R1S | photo by Jenni Newman

Third-Row Access: Grade B

A button on the top of the second row’s outer seats folds and slides the seats forward to create access. The step-in is high, however, and there were no running boards on our test model. In addition, the walkway to the third row is on the small side, but kids should fit fine.

Third-Row Latch: Grade A

In the third row, the two sets of lower anchors sit less than an inch into the seat bight and are easy to access. The two top tether anchors are well marked midway down the seatbacks.

Third-Row Forward-Facing Convertible: Grade B

Installation was easy, and the third row’s wide seats helped situate the convertible in forward mode. The head restraint flips down but doesn’t come up or out, so it can push the car seat off the seatback. Also, third-row legroom is very tight with the second row pushed all the way back.

Third-Row Booster: Grade B

Installation was easy, though the head restraint doesn’t come out and can push the booster off the seatback. The seat belt buckles are stable.

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