| Model Year | 2006 | 2009 | |
| Model | Acura TSX | Audi A8 / S8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 2,670 mm | 2,944 mm | 0 mm |
| Length | 4,658 mm | 5,062 mm | -1 mm |
| Width | 1,763 mm | 1,895 mm | 0 mm |
| Height | 1,455 mm | 1,445 mm | 0 mm |
| Curb Weight | 1,477 kg | 1,945 kg | 0 kg |
| Fuel Capacity | 65 L | 90 L | -25 L |
| Headroom, Row 1 | 960 mm | 947 mm | 13 mm |
| Shoulder Room, Row 1 | 1,407 mm | 1,501 mm | 0 mm |
| Hip Room, Row 1 | 1,382 mm | 0 mm | 1 mm |
| Legroom, Row 1 | 1,077 mm | 1,052 mm | 0 mm |
| Headroom, Row 2 | 947 mm | 965 mm | -18 mm |
| Shoulder Room, Row 2 | 1,359 mm | 1,461 mm | 0 mm |
| Hip Room, Row 2 | 1,382 mm | 0 mm | 1 mm |
| Legroom, Row 2 | 869 mm | 955 mm | -86 mm |
| Total Legroom | 1,946 mm (over 2 rows) | 2,007 mm (over 2 rows) | -1 mm |
| Cargo Volume | 374 L | 413 L | -39 L |
| 2006 Acura TSX Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2007 | 4dr Sedan 205-horsepower 2.4L I4 6-speed manual FWD |
able to undertake long drives in comfort. Able to enter/leave car without being contortionist. Easy copes with my (very) large body frame. see full Acura TSX review |
| 2007 | 4dr Sedan 205-horsepower 2.4L I4 6-speed manual FWD |
Passengers love the car. Never had any complaints. see full Acura TSX review |
| 2006 | 4dr Sedan 205-horsepower 2.4L I4 6-speed manual FWD |
This is a very subjective area, but I found the seat comfortable. see full Acura TSX review |
| 2006 Acura TSX Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2007 | 4dr Sedan 205-horsepower 2.4L I4 6-speed manual FWD |
Not enough of it. see full Acura TSX review |
| 2005 | 4dr Sedan 200-horsepower 2.4L I4 6-speed manual FWD |
Quite tight for 2 and almost unusable for 3 in the back seat. see full Acura TSX review |
None of our members have yet commented on the seat room and comfort of the 2009 Audi A8 / S8.