| Model Year | 2018 | 2011 | |
| Model | Audi A8 / S8 | Mercedes-Benz R-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr SUV | |
| Difference | |||
| Wheelbase | 3,122 mm | 3,216 mm | 0 mm |
| Length | 5,268 mm | 5,156 mm | 0 mm |
| Width | 1,948 mm | 1,958 mm | 0 mm |
| Height | 1,471 mm | 1,661 mm | 0 mm |
| Curb Weight | 2,025 kg | 2,245 kg | 0 kg |
| Fuel Capacity | 82 L | 80 L | 2 L |
| Headroom, Row 1 | 945 mm | 1,011 mm | 944 mm |
| Shoulder Room, Row 1 | 1,501 mm | 1,532 mm | 0 mm |
| Legroom, Row 1 | 1,052 mm | 1,011 mm | 0 mm |
| Headroom, Row 2 | 993 mm | 1,026 mm | 992 mm |
| Shoulder Room, Row 2 | 1,468 mm | 1,514 mm | 0 mm |
| Legroom, Row 2 | 1,090 mm | 919 mm | -918 mm |
| Headroom, Row 3 | 0 mm | 945 mm | -945 mm |
| Shoulder Room, Row 3 | 0 mm | 1,341 mm | -1 mm |
| Legroom, Row 3 | 0 mm | 823 mm | -823 mm |
| Total Legroom | 2,141 mm (over 2 rows) | 2,753 mm (over 3 rows) | 0 mm |
| Cargo Volume, Minimum | 402 L | 430 L | -28 L |
| Cargo Volume, Behind R2 | 14.2 | 1,195 L | 13.2 |
| Cargo Volume, Maximum | 14.2 | 2,407 L | 12.2 |
None of our members have yet commented on the seat room and comfort of the 2018 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2011 Mercedes-Benz R-Class.