| Model Year | 2010 | 2008 | |
| Model | Audi A6 / S6 | Pontiac Solstice | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 2dr Convertible | |
| Difference | |||
| Wheelbase | 111.9 in | 95.1 in | 16.8 in |
| Length | 193.5 in | 157.2 in | 36.3 in |
| Width | 73.0 in | 71.3 in | 1.7 in |
| Height | 57.5 in | 50.1 in | 7.4 in |
| Curb Weight | 4123 lb. | 2860 lb. | 1263 lb. |
| Fuel Capacity | 21.1 gal. | 13.0 gal. | 8.1 gal. |
| Headroom, Row 1 | 38.7 in | 38.5 in | 0.2 in |
| Shoulder Room, Row 1 | 57.1 in | 52.4 in | 4.7 in |
| Legroom, Row 1 | 41.3 in | 42.7 in | -1.4 in |
| Headroom, Row 2 | 37.8 in | 0.0 in | 37.8 in |
| Shoulder Room, Row 2 | 55.9 in | 0.0 in | 55.9 in |
| Legroom, Row 2 | 36.9 in | 0.0 in | 36.9 in |
| Total Legroom | 78.2 in (over 2 rows) | 42.7 in (over 1 rows) | 35.5 in |
| Cargo Volume, Minimum | 15.9 ft3 | 2.1 ft3 | 13.8 ft3 |
| Cargo Volume, Maximum | 15.9 ft3 | 5.4 ft3 | 10.5 ft3 |
| 2010 Audi A6 / S6 Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2011 | 4dr Sedan supercharged 300hp 3.0L V6 6-speed shiftable automatic AWD |
Rear seat room is average, no better. see full Audi A6 / S6 review |
| 2008 Pontiac Solstice Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2008 | 2dr Convertible turbocharged 260hp 2.0L I4 5-speed automatic RWD |
No extra room. Tall or overweight people need not apply. see full Pontiac Solstice review |
| 2008 | 2dr Convertible turbocharged 260hp 2.0L I4 5-speed manual RWD |
(Driver) No room. Car is not for regular sized people. see full Pontiac Solstice review |