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2020 BMW 4-Series and 2021 Toyota Sienna Specifications
| Model Year | 2020 | 2021 | |
| Model | BMW 4-Series | Toyota Sienna | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 2dr Coupe | 4dr Minivan, ext. | |
| Difference | |||
| Wheelbase | 2,809 mm | 3,061 mm | -1 mm |
| Length | 4,638 mm | 5,174 mm | -1 mm |
| Width | 1,826 mm | 1,994 mm | 0 mm |
| Height | 1,377 mm | 1,740 mm | 0 mm |
| Curb Weight | 1,614 kg | 2,091 kg | -1 kg |
| Fuel Capacity | 60 L | 68 L | -8 L |
| Headroom, Row 1 | 1,011 mm | 1,016 mm | 0 mm |
| Shoulder Room, Row 1 | 1,405 mm | 1,585 mm | 0 mm |
| Hip Room, Row 1 | 0 mm | 1,514 mm | -1 mm |
| Legroom, Row 1 | 1,072 mm | 1,024 mm | 0 mm |
| Headroom, Row 2 | 917 mm | 998 mm | -81 mm |
| Shoulder Room, Row 2 | 1,313 mm | 1,593 mm | 0 mm |
| Hip Room, Row 2 | 0 mm | 1,681 mm | -1 mm |
| Legroom, Row 2 | 856 mm | 1,013 mm | 855 mm |
| Headroom, Row 3 | 0 mm | 950 mm | -950 mm |
| Shoulder Room, Row 3 | 0 mm | 1,486 mm | -1 mm |
| Hip Room, Row 3 | 0 mm | 1,240 mm | -1 mm |
| Legroom, Row 3 | 0 mm | 983 mm | -983 mm |
| Total Legroom | 1,928 mm (over 2 rows) | 3,020 mm (over 3 rows) | -2 mm |
| Cargo Volume, Minimum | 445 L | 949 L | -504 L |
| Cargo Volume, Behind R2 | 15.7 | 2,129 L | 13.7 |
| Cargo Volume, Maximum | 15.7 | 2,860 L | 13.7 |
What Our Members Are Saying about the Seat Room and Comfort of the 2020 BMW 4-Series
None of our members have yet commented on the seat room and comfort of the 2020 BMW 4-Series.
What Our Members Are Saying about the Seat Room and Comfort of the 2021 Toyota Sienna
None of our members have yet commented on the seat room and comfort of the 2021 Toyota Sienna.
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