| Production | 1964-1965 |
| Fuel | Petrol |
| Motor Type | V8 |
| Displacement (cc/Cid) | 6572 / 401 |
| Number of Valves | 16 |
| Power | 325hp / 239kW @ 4400rpm |
| Torque | 603Nm / 445lb ft @ 2800rpm |
| Layout | Rear Wheel Drive |
| Gearbox | Automatic |
| Number of gears (transmission) | 3 |
| Top Speed (km/h / mph) | ? |
| Acceleration (0 to 100km/h / 0 to 60mph) | ? |
| Fuel consumption extra-urban/highway (l/100km / mpg(US)) | ? |
| Fuel consumption urban/city (l/100km / mpg(US)) | ? |
| Fuel consumption mixed (l/100km / mpg(US)) | ? |
| Length (cm/inches) | 531 / 209 |
| Width (cm/inches) | 195 / 77 |
| Height (cm/inches) | 135 / 53 |
| Wheelbase (cm/inches) | 297 / 117 |
| Weight (kg / lbs) | 1831 / 4037 |
| Trunk Volume (dm3 / cu ft (US)) | ? |
| Tank Capacity (l / gal (US)) | 76 / 20.1 |
| Tire size | 8.45 - 15 |
| Others | ? |
Buick Riviera 6.6 Buick Nailhead 401 V8 325hp
