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2021 BMW 4-Series and 2020 Toyota Sienna Specifications
| Model Year | 2021 | 2020 | |
| Model | BMW 4-Series | Toyota Sienna | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Coupe | 4dr Minivan, ext. | |
| Difference | |||
| Wheelbase | 2,850 mm | 3,030 mm | -1 mm |
| Length | 4,773 mm | 5,085 mm | -1 mm |
| Width | 1,852 mm | 1,984 mm | 0 mm |
| Height | 1,387 mm | 1,750 mm | 0 mm |
| Curb Weight | 1,623 kg | 1,985 kg | 0 kg |
| Fuel Capacity | 59 L | 76 L | -17 L |
| Headroom, Row 1 | 965 mm | 1,041 mm | 964 mm |
| Shoulder Room, Row 1 | 1,400 mm | 1,651 mm | 0 mm |
| Hip Room, Row 1 | 0 mm | 1,488 mm | -1 mm |
| Legroom, Row 1 | 1,062 mm | 1,029 mm | 0 mm |
| Headroom, Row 2 | 894 mm | 1,008 mm | 893 mm |
| Shoulder Room, Row 2 | 1,295 mm | 1,641 mm | 0 mm |
| Hip Room, Row 2 | 0 mm | 1,679 mm | -1 mm |
| Legroom, Row 2 | 876 mm | 955 mm | -79 mm |
| Headroom, Row 3 | 0 mm | 973 mm | -973 mm |
| Shoulder Room, Row 3 | 0 mm | 1,552 mm | -1 mm |
| Hip Room, Row 3 | 0 mm | 1,278 mm | -1 mm |
| Legroom, Row 3 | 0 mm | 922 mm | -922 mm |
| Total Legroom | 1,938 mm (over 2 rows) | 2,906 mm (over 3 rows) | -1 mm |
| Cargo Volume, Minimum | 340 L | 1,107 L | 339 L |
| Cargo Volume, Behind R2 | 12.0 | 2,466 L | 10 |
| Cargo Volume, Maximum | 12.0 | 4,248 L | 8 |
What Our Members Are Saying about the Seat Room and Comfort of the 2021 BMW 4-Series
None of our members have yet commented on the seat room and comfort of the 2021 BMW 4-Series.
What Our Members Are Saying about the Seat Room and Comfort of the 2020 Toyota Sienna
None of our members have yet commented on the seat room and comfort of the 2020 Toyota Sienna.
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