Comparison Aston Martin DB7 Volante 5.9i V12 48V (420 Hp) Automatic & Bisu T3 1.3 T (133 Hp) & Buick Regal II Coupe (facelift 1981) 3.8 V6 (238 Hp) Automatic
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| Brand: | Aston Martin | Bisu | Buick |
| Model: | DB7 | T3 | Regal |
| Generation: | DB7 Volante | T3 | Regal II Coupe (facelift 1981) |
| Engine / modification: | 5.9i V12 48V (420 Hp) Automatic | 1.3 T (133 Hp) | 3.8 V6 (238 Hp) Automatic |
| Production start: | 1999 year | 2016 year | 1981 year |
| Production end: | 1999 year | 1987 year | |
| Coupe type: | Cabriolet | SUV | Coupe |
| Num. of Doors: | 2 | 5 | 2 |
| Num. of seats: | 2+2 | 5 | 5 |
| Fuel consumption / economy - urban: | 20 l/100 km | 13.8 l/100 km | |
| Fuel consumption / economy - extra urban: | 10 l/100 km | 9.8 l/100 km | |
| Fuel consumption / economy - combined: | 18.7 l/100 km | 12.4 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.44 | ||
| Fuel tank volume: | 82 l | 50 l | 68 l |
| Emission standard: | Country V | ||
| Power: | 420 hp | 133 hp | 238 hp |
| Max power in: | 6000 rpm. | 5500 rpm. | 4000 rpm. |
| Maximum speed: | 266 km/h | 178 km/h | |
| Acceleration from 0 to 100 km/h: | 5 sec | ||
| Torque: | 542 Nm @ 5000 rpm. | 185 Nm @ 1500-4500 rpm. | 447 Nm @ 2400 rpm. |
| Model Engine: | F13B | LC2 | |
| Engine position: | Front, longitudinal | Front, longitudinal | |
| Engine displacement: | 5935 cm3 | 1298 cm3 | 3791 cm3 |
| Engine oil capacity: | 4.7 l | ||
| Coolant: | 11.5 l | ||
| Fuel System: | Multi-point injection | Multi-point injection | |
| Aspiration / Turbine: | Turbocharger | Turbocharger / Intercooler | |
| Position of cylinders: | V engine | Inline | V engine |
| Valvetrain: | DOHC | DOHC | OHV |
| Number of cylinders: | 12 | 4 | 6 |
| Number of valves per cylinder: | 4 | 2 | |
| Compression ratio: | 10.3 | 8 | |
| Piston Stroke: | 79.5 mm | 86.36 mm | |
| Cylinder Bore: | 89 mm | 96.52 mm | |
| Wheel Drive: | Rear wheel drive | Front wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 5 | 4 Hydramatic | |
| Number of Gears (manual transmission): | 5 | ||
| Length: | 4692 mm | 4350 mm | 5095 mm |
| Width: | 1830 mm | 1825 mm | 1819 mm |
| Height: | 1270 mm | 1685 mm | 1387 mm |
| Wheelbase: | 2591 mm | 2565 mm | 2746 mm |
| Front track: | 1524 mm | 1545 mm | 1486 mm |
| Rear (Back) track: | 1550 mm | 1550 mm | 1468 mm |
| Ride height(clearance): | 200 mm | ||
| Minimum volume of Luggage (trunk): | 150 l | 459 l | |
| Front suspension: | Double wishbone | Independent type McPherson | Independent, spring |
| Rear suspension: | Helical spring | Suspension De-Dion | |
| Max weight: | 2100 kg | ||
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc | Drum |
| Kerb Weight: | 1875 kg | 1410 kg | 1532 kg |
| ABS: | yes | yes | |
| Steering type: | Steering rack and pinion | Cone worm with recirculation balls | |
| Power steering: | Hydraulic Steering | Electric Steering | |
| Minimum turning circle (turning diameter): | 10.2 m | 12.8 m | |
| Tire size: | 245/45 R18; 265/35 R18 | 205/65 R16 | 215/65 R15 |
| Wheel rims size: | R18 | R16 | R15 |