Comparison Aston Martin DB9 Volante (facelift 2012) 6.0 V12 (517 Hp) Automatic & Buick LaCrosse I (facelift 2008) 3.8 i V6 (200 Hp) Automatic & Aston Martin Virage Volante 5.3 (336 Hp)
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| Brand: | Aston Martin | Buick | Aston Martin |
| Model: | DB9 | LaCrosse | Virage |
| Generation: | DB9 Volante (facelift 2012) | LaCrosse I (facelift 2008) | Virage Volante |
| Engine / modification: | 6.0 V12 (517 Hp) Automatic | 3.8 i V6 (200 Hp) Automatic | 5.3 (336 Hp) |
| Production start: | 2012 year | 2008 year | 1990 year |
| Production end: | 2009 year | 1995 year | |
| Coupe type: | Cabriolet | Sedan | Cabriolet |
| Powertrain Architecture: | Internal Combustion engine | ||
| Num. of Doors: | 2 | 4 | 2 |
| Num. of seats: | 2+2 | 5 | 2 |
| Fuel consumption / economy - urban: | 21.6 l/100 km | 13.8 l/100 km | |
| Fuel consumption / economy - extra urban: | 10 l/100 km | 8.4 l/100 km | |
| Fuel consumption / economy - combined: | 14.3 l/100 km | ||
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Fuel tank volume: | 78 l | 66.2 l | 113 l |
| CO2 emissions: | 333 g/km | ||
| Power: | 517 hp | 200 hp | 336 hp |
| Max power in: | 6500 rpm. | 5200 rpm. | |
| Maximum speed: | 295 km/h | 250 km/h | |
| Acceleration from 0 to 100 km/h: | 4.6 sec | 6.0 sec | |
| Torque: | 620 Nm/5500 rpm. | 312 Nm @ 4000 rpm. | 510 Nm |
| Model Engine: | 3800 Series III V6 | ||
| Engine position: | Front, longitudinal | ||
| Engine displacement: | 5935 cm3 | 3791 cm3 | 5340 cm3 |
| Engine oil capacity: | 4.3 l | ||
| Coolant: | 10.6 l | ||
| Fuel System: | Multi-point injection | ||
| Aspiration / Turbine: | Naturally aspirated engine | ||
| Position of cylinders: | V engine | V engine | |
| Valvetrain: | DOHC | ||
| Number of cylinders: | 12 | 6 | 8 |
| Number of valves per cylinder: | 4 | 2 | 4 |
| Compression ratio: | 9.4 | 9.5 | |
| Piston Stroke: | 86.36 mm | ||
| Cylinder Bore: | 96.52 mm | ||
| Wheel Drive: | Rear wheel drive | Front wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 6 | 4 | |
| Number of Gears (manual transmission): | 5 | ||
| Length: | 4720 mm | 5030 mm | 4737 mm |
| Width: | 1855 mm | 1854 mm | |
| Width including mirrors: | 2061 mm | ||
| Height: | 1282 mm | 1460 mm | 1321 mm |
| Wheelbase: | 2740 mm | 2805 mm | 2610 mm |
| Front track: | 1565 mm | ||
| Rear (Back) track: | 1560 mm | ||
| Minimum volume of Luggage (trunk): | 455 l | ||
| Maximum amount of Luggage (trunk): | 330 l | ||
| Front suspension: | Double wishbone | ||
| Rear suspension: | Double wishbone | ||
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc | Disc |
| Kerb Weight: | 1890 kg | 1611-1604 kg | 1790 kg |
| ABS: | yes | ||
| Steering type: | Steering rack and pinion | Steering rack and pinion | |
| Power steering: | Electric Steering | ||
| Tire size: | 245/35 ZR20; 295/30 ZR20 | 225/60 R16 | 225/60 R16 |
| Wheel rims size: | 8.5J x 20; 11J x 20 | 6.5J x 16 |