| Model Year | 2014 | 2011 | |
| Model | Audi A4 / S4 | Audi R8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 2dr Coupe | |
| Difference | |||
| Wheelbase | 110.6 in | 104.3 in | 6.3 in |
| Length | 185.1 in | 174.5 in | 10.6 in |
| Width | 71.9 in | 75.0 in | -3.1 in |
| Height | 56.2 in | 49.3 in | 6.9 in |
| Curb Weight | 3509 lb. | 3605 lb. | -96 lb. |
| Fuel Capacity | 16.9 gal. | 23.8 gal. | -6.9 gal. |
| Headroom, Row 1 | 40.0 in | 38.0 in | 2 in |
| Shoulder Room, Row 1 | 55.5 in | 54.4 in | 1.1 in |
| Legroom, Row 1 | 41.3 in | 41.1 in | 0.2 in |
| Headroom, Row 2 | 37.5 in | 0.0 in | 37.5 in |
| Shoulder Room, Row 2 | 54.3 in | 0.0 in | 54.3 in |
| Legroom, Row 2 | 35.2 in | 0.0 in | 35.2 in |
| Total Legroom | 76.5 in (over 2 rows) | 41.1 in (over 1 rows) | 35.4 in |
| Cargo Volume | 12.4 ft3 | 3.5 ft3 | 8.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2014 Audi A4 / S4.
None of our members have yet commented on the seat room and comfort of the 2011 Audi R8.