Alpina G20, Body
B3 G20 (G20)
| Body brand | G20 |
| Body type | sedan |
| Number of doors | 4 |
| Body dimensions (L x W x H), mm | 4719 x 1827 x 1440 |
| Number of seats | 5 |
| Number of seat rows | 2 |
| Ground clearance (ride height) | 130 mm |
| Wheelbase | 2,851 mm |
| Minimum turning radius | 6.000 m |
| Front track width | 1,577 mm |
| Rear track width | 1,572 mm |
| Weight | 1,785 kg |
| Fuel tank volume | 59 l |
| Country of assembly | Germany |
| Steering wheel | Left |
| Adjustable sunroof | |
| Front spoiler | |
| Rear spoiler | |
| Rear fog lights | |
| Additional brake light | |
| Electric side mirrors | |
| Front suspension | Independent, multi-link |
| Rear suspension | Independent, multi-link |
| Front brakes | Ventilated disc |
| Rear brakes | Ventilated disc |
| Electric driver's seat | |
| Adjusting the height of the driver's seat |