| Model Year | 2010 | 2006 | |
| Model | Audi A6 / S6 | Lexus LS | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 2,842 mm | 2,926 mm | 0 mm |
| Length | 4,915 mm | 5,014 mm | -1 mm |
| Width | 1,854 mm | 1,829 mm | 0 mm |
| Height | 1,461 mm | 1,491 mm | 0 mm |
| Curb Weight | 1,870 kg | 1,810 kg | 0 kg |
| Fuel Capacity | 80 L | 84 L | -4 L |
| Headroom, Row 1 | 983 mm | 968 mm | 15 mm |
| Shoulder Room, Row 1 | 1,450 mm | 1,481 mm | 0 mm |
| Hip Room, Row 1 | 0 mm | 1,440 mm | -1 mm |
| Legroom, Row 1 | 1,049 mm | 1,118 mm | 0 mm |
| Headroom, Row 2 | 960 mm | 963 mm | -3 mm |
| Shoulder Room, Row 2 | 1,420 mm | 1,478 mm | 0 mm |
| Hip Room, Row 2 | 0 mm | 1,455 mm | -1 mm |
| Legroom, Row 2 | 937 mm | 955 mm | -18 mm |
| Total Legroom | 1,986 mm (over 2 rows) | 2,073 mm (over 2 rows) | -1 mm |
| Cargo Volume | 450 L | 572 L | -122 L |
| 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 |
None of our members have yet commented on the seat room and comfort of the 2006 Lexus LS.