| Production | 1969-1970 |
| Fuel | Petrol |
| Motor Type | V8 |
| Displacement (cc/Cid) | 5724 / 349 |
| Number of Valves | 16 |
| Power | 260hp / 191kW @ 4400rpm |
| Torque | 488Nm / 360lb ft @ 2600rpm |
| Layout | ? |
| Gearbox | Manual |
| Number of gears (transmission) | 3 |
| Top Speed (km/h / mph) | 178 / 111 |
| Acceleration (0 to 100km/h / 0 to 60mph) | 10.2 / 9.9 |
| Fuel consumption extra-urban/highway (l/100km / mpg(US)) | ? |
| Fuel consumption urban/city (l/100km / mpg(US)) | ? |
| Fuel consumption mixed (l/100km / mpg(US)) | 20 / 11.8 |
| Length (cm/inches) | 559 / 220 |
| Width (cm/inches) | 203 / 80 |
| Height (cm/inches) | 139 / 55 |
| Wheelbase (cm/inches) | 315 / 124 |
| Weight (kg / lbs) | 1890 / 4167 |
| Trunk Volume (dm3 / cu ft (US)) | ? |
| Tank Capacity (l / gal (US)) | 95 / 25.1 |
| Tire size | H78 - 15 |
| Others | power and torque are gross ratings |
Buick LeSabre Convertible 5.7 Buick 350 Small-Block V8 260hp
