| Model Year | 2015 | 2023 | |
| Model | Acura ILX | Lexus LS | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 2,670 mm | 3,124 mm | -1 mm |
| Length | 4,549 mm | 5,235 mm | -1 mm |
| Width | 1,793 mm | 1,900 mm | 0 mm |
| Height | 1,412 mm | 1,450 mm | 0 mm |
| Curb Weight | 1,320 kg | 2,130 kg | -1 kg |
| Fuel Capacity | 50 L | 82 L | -32 L |
| Headroom, Row 1 | 963 mm | 947 mm | 16 mm |
| Shoulder Room, Row 1 | 1,412 mm | 1,494 mm | 0 mm |
| Hip Room, Row 1 | 1,275 mm | 1,410 mm | 0 mm |
| Legroom, Row 1 | 1,074 mm | 1,041 mm | 0 mm |
| Headroom, Row 2 | 912 mm | 947 mm | -35 mm |
| Shoulder Room, Row 2 | 1,359 mm | 1,433 mm | 0 mm |
| Hip Room, Row 2 | 1,311 mm | 1,400 mm | 0 mm |
| Legroom, Row 2 | 864 mm | 988 mm | -124 mm |
| Total Legroom | 1,938 mm (over 2 rows) | 2,029 mm (over 2 rows) | -1 mm |
| Cargo Volume | 351 L | 481 L | -130 L |
None of our members have yet commented on the seat room and comfort of the 2015 Acura ILX.
None of our members have yet commented on the seat room and comfort of the 2023 Lexus LS.