| Model Year | 2006 | 2013 | |
| Model | Acura RL | Audi A6 / S6 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 110.2 in | 114.7 in | -4.5 in |
| Length | 193.6 in | 193.9 in | -0.3 in |
| Width | 72.2 in | 73.8 in | -1.6 in |
| Height | 57.1 in | 57.8 in | -0.7 in |
| Curb Weight | 4012 lb. | 3726 lb. | 286 lb. |
| Fuel Capacity | 19.4 gal. | 19.8 gal. | -0.4 gal. |
| Headroom, Row 1 | 38.5 in | 37.2 in | 1.3 in |
| Shoulder Room, Row 1 | 58.5 in | 57.5 in | 1 in |
| Hip Room, Row 1 | 55.1 in | 0.0 in | 55.1 in |
| Legroom, Row 1 | 42.4 in | 41.3 in | 1.1 in |
| Headroom, Row 2 | 37.2 in | 37.8 in | -0.6 in |
| Shoulder Room, Row 2 | 56.1 in | 56.3 in | -0.2 in |
| Hip Room, Row 2 | 54.0 in | 0.0 in | 54 in |
| Legroom, Row 2 | 36.3 in | 37.4 in | -1.1 in |
| Total Legroom | 78.7 in (over 2 rows) | 78.7 in (over 2 rows) | 0 in |
| Cargo Volume | 13.1 ft3 | 14.1 ft3 | -1 ft3 |
| 2006 Acura RL Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2007 | 4dr Sedan 290-horsepower 3.5L V6 5-speed shiftable automatic AWD |
A little tight up front especially when compared to the M35 which is very roomy. see full Acura RL review |
| 2007 | 4dr Sedan 290-horsepower 3.5L V6 5-speed shiftable automatic AWD |
Again, tight when compared to the M35. see full Acura RL review |
| 2013 Audi A6 / S6 Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2012 | 4dr Sedan supercharged 310hp 3.0L V6 8-speed shiftable automatic AWD |
Very supportive seats, nice leather, great heated seats. see full Audi A6 / S6 review |