This 4.6i AT (320 hp) engine was fitted in the 1 generation Roadster, which was produced by Cadillac from 2003 to 2009. In addition to this engine, 1 other engines were also available for this body — their technical data and fuel economy are accessible by clicking the body name at the top of the page.
| City fuel consumption per 100 km | 13litre |
|---|---|
| Highway fuel consumption per 100 km | 9litre |
| Mixed fuel consumption per 100 km | 11litre |
| Fuel tank capacity | 68litre |
| Cruising range | from 520 to 760km |
| Fuel | Gasoline |
| Top speed | 250km/h |
| Acceleration (0–100 km/h) | 5second |
| Displacement | 4565cm3 |
|---|---|
| Engine power | 320bhp |
| RPM at max power | to 6 400RPM |
| Maximum torque | 420Nm |
| RPM at max torque | 4400RPM |
| Engine type | Gasoline |
| Cylinder layout | V-type |
| Injection type | Multi-point injection |
| Number of cylinders | 8 |
| Valves per cylinder | 4 |
| Bore | 93mm |
| Stroke | 84mm |
| Gearbox | Automatic |
|---|---|
| Number of gears | 5 |
| Drive wheels | Rear-wheel drive |
| Seats | 2 |
|---|---|
| Length | 4513mm |
| Width | 1836mm |
| Height | 1279mm |
| Wheelbase | 2685mm |
| Front track | 1580mm |
| Rear track | 1580mm |
| Ground clearance | 168mm |
| Kerb weight | 1690kg |
| Min. boot capacity | 125litre |
| Max. boot capacity | 328litre |
| Body type | Roadster |
| Front suspension | Spring |
|---|---|
| Rear suspension | Spring |
| Front brakes | Disc |
| Rear brakes | Disc |
| City | 15.6 litres / 100km |
|---|---|
| Highway | 10.8 litres / 100km |
| Average | 13.2 litres / 100km |
Estimated from official figures. Actual consumption varies by driving style and conditions.