Buick 4E-Z57, Body
Riviera 4E-Z57
| Body brand | 4E-Z57 |
| Body type | coupe |
| Number of doors | 2 |
| Body dimensions (L x W x H), mm | 4755 x 1821 x 1359 |
| Number of seats | 5 |
| Number of seat rows | 2 |
| Ground clearance (ride height) | 140 mm |
| Wheelbase | 2,743 mm |
| Minimum turning radius | 5.900 m |
| Front track width | 1,506 mm |
| Rear track width | 1,521 mm |
| Weight | 1,495 kg |
| Fuel tank volume | 71 l |
| Country of assembly | USA |
| Steering wheel | Left |
| Adjustable sunroof | |
| Front fog lights | |
| Rear fog lights | |
| Additional brake light | |
| Electric side mirrors | |
| Front suspension | Independent, double wishbone |
| Rear suspension | Dependent, on trailing arms |
| Front brakes | Ventilated disc |
| Rear brakes | Drums |
| Front tires | 205/70 R14 |
| Rear tires | 205/70 R14 |
| Electric driver's seat | |
| Adjusting the height of the driver's seat |