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2018 Toyota Sienna and 2017 BMW 4-Series Gran Coupe Specifications
| Model Year | 2018 | 2017 | |
| Model | Toyota Sienna | BMW 4-Series Gran Coupe | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Minivan, ext. | 4dr Hatch | |
| Difference | |||
| Wheelbase | 3,030 mm | 2,819 mm | 1 mm |
| Length | 5,085 mm | 4,636 mm | 1 mm |
| Width | 1,984 mm | 1,824 mm | 0 mm |
| Height | 1,750 mm | 1,387 mm | 0 mm |
| Curb Weight | 1,985 kg | 1,664 kg | 0 kg |
| Fuel Capacity | 76 L | 60 L | 16 L |
| Headroom, Row 1 | 1,041 mm | 1,011 mm | 0 mm |
| Shoulder Room, Row 1 | 1,651 mm | 1,392 mm | 0 mm |
| Hip Room, Row 1 | 1,488 mm | 0 mm | 1 mm |
| Legroom, Row 1 | 1,029 mm | 1,072 mm | 0 mm |
| Headroom, Row 2 | 1,008 mm | 945 mm | -944 mm |
| Shoulder Room, Row 2 | 1,641 mm | 1,379 mm | 0 mm |
| Hip Room, Row 2 | 1,679 mm | 0 mm | 1 mm |
| Legroom, Row 2 | 955 mm | 856 mm | 99 mm |
| Headroom, Row 3 | 973 mm | 0 mm | 973 mm |
| Shoulder Room, Row 3 | 1,552 mm | 0 mm | 1 mm |
| Hip Room, Row 3 | 1,278 mm | 0 mm | 1 mm |
| Legroom, Row 3 | 922 mm | 0 mm | 922 mm |
| Total Legroom | 2,906 mm (over 3 rows) | 1,928 mm (over 2 rows) | 1 mm |
| Cargo Volume, Minimum | 1,107 L | 481 L | -480 L |
| Cargo Volume, Behind R2 | 2,466 L | 17.0 | -15 L |
| Cargo Volume, Maximum | 4,248 L | 1,300 L | 3 L |
What Our Members Are Saying about the Seat Room and Comfort of the 2018 Toyota Sienna
None of our members have yet commented on the seat room and comfort of the 2018 Toyota Sienna.
What Our Members Are Saying about the Seat Room and Comfort of the 2017 BMW 4-Series Gran Coupe
None of our members have yet commented on the seat room and comfort of the 2017 BMW 4-Series Gran Coupe.
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