Wikipedia
The bench seat was the traditional seat installed in American and Australian automobiles. This seat featured a continuous pad running the full width of the cabin. The second row of seating in most sedans is usually a bench. The third row of most SUVs and minivans, which may be forward-facing or rear-facing, is also a bench seat.
Usage examples of "bench seat".
A grizzled farmer, clearly waiting to head home with what he had not sold, watched silently from the wagon's bench seat as the younger guard checked the produce.
THE WOMAN IN gray watches the roadside from the bench seat of the wagon, holding her staff tightly in one hand.
He let me precede him through the door, then made for the counter while the other sailor, a red-complexioned character about the size and shape of a polar bear, nudged me gently into an angled bench seat in one corner of the room.
He was out in the open below the plastic bag, which was resting on a bench seat covered in a coarse, hairlike fabric, its back buttressed by cushions, extending away like a long cliff to a padded arm.
Victoria twisted on the leather bench seat of the Buick and stared at him.
An open carriage like a large sleigh on two wheels, it had a bench seat with blue velvet squabs, and a scroll-like singletree like the prow of a ship.
She slid across the Ford Ranger's bench seat and snuggled into him, oblivious to the car or the men in the car or what might happen because of that car.
I crawled onto the big bench seat and peered over the steering wheel at the powder-blue hood stretching endlessly in front of me.