| Model Year | 2017 | 2009 | |
| Model | Audi A5 / S5 | Lexus LS | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Coupe | 4dr Sedan | |
| Difference | |||
| Wheelbase | 108.3 in | 116.9 in | -8.6 in |
| Length | 182.1 in | 198.0 in | -15.9 in |
| Width | 73.0 in | 73.8 in | -0.8 in |
| Height | 54.0 in | 58.1 in | -4.1 in |
| Curb Weight | 3682 lb. | 4244 lb. | -562 lb. |
| Fuel Capacity | 16.9 gal. | 22.2 gal. | -5.3 gal. |
| Headroom, Row 1 | 39.1 in | 38.0 in | 1.1 in |
| Shoulder Room, Row 1 | 54.3 in | 58.5 in | -4.2 in |
| Hip Room, Row 1 | 0.0 in | 55.4 in | -55.4 in |
| Legroom, Row 1 | 41.3 in | 0.0 in | 41.3 in |
| Headroom, Row 2 | 36.0 in | 38.0 in | -2 in |
| Shoulder Room, Row 2 | 52.8 in | 56.9 in | -4.1 in |
| Hip Room, Row 2 | 0.0 in | 55.5 in | -55.5 in |
| Legroom, Row 2 | 31.7 in | 0.0 in | 31.7 in |
| Total Legroom | 73 in (over 2 rows) | 0 in (over 1 rows) | 73 in |
| Cargo Volume | 12.2 ft3 | 18.0 ft3 | -5.8 ft3 |
None of our members have yet commented on the seat room and comfort of the 2017 Audi A5 / S5.
None of our members have yet commented on the seat room and comfort of the 2009 Lexus LS.