Comparison Aston Martin DB4 3.7 (243 Hp) Automatic & Alpina B3 Cabrio (E93) 3.0i Biturbo (360 Hp) Swtch -Tronic & GAZ 20M 2.1 (52 Hp)
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| Brand: | Aston Martin | Alpina | GAZ |
| Model: | DB4 | B3 | 20 |
| Generation: | DB4 | B3 Cabrio (E93) | 20M |
| Engine / modification: | 3.7 (243 Hp) Automatic | 3.0i Biturbo (360 Hp) Swtch -Tronic | 2.1 (52 Hp) |
| Production start: | 1958 year | 2007 year | 1946 year |
| Production end: | 1963 year | 2012 year | 1956 year |
| Coupe type: | Sedan | Cabriolet | Sedan |
| Num. of Doors: | 2 | 2 | 4 |
| Num. of seats: | 4 | 4 | 5 |
| Fuel consumption / economy - urban: | 14.0 l/100 km | ||
| Fuel consumption / economy - extra urban: | 7.2 l/100 km | ||
| Fuel consumption / economy - combined: | 9.7 l/100 km | ||
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Fuel tank volume: | 63 l | 55 l | |
| Emission standard: | Euro 5 | ||
| Power: | 243 hp | 360 hp | 52 hp |
| Max power in: | 5000 rpm. | 5500-6000 rpm. | 3600 rpm. |
| Maximum speed: | 225 km/h | 280 km/h | 105 km/h |
| Acceleration from 0 to 100 km/h: | 5.0 sec | 46 sec | |
| Torque: | 325 Nm/4200 rpm. | 500 Nm @ 3800-5000 rpm. | 127 Nm @ 2200 rpm. |
| Engine position: | Front, longitudinal | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 3670 cm3 | 2979 cm3 | 2111 cm3 |
| Fuel System: | Carburettor | Multi-point injection | Carburettor |
| Aspiration / Turbine: | Turbocharging | ||
| Position of cylinders: | Inline | Inline | Inline |
| Valvetrain: | DOHC | DOHC | - |
| Number of cylinders: | 6 | 6 | 4 |
| Number of valves per cylinder: | 4 | 2 | |
| Compression ratio: | 8.25 | 9.4 | 6.2 |
| Piston Stroke: | 92 mm | 89.6 mm | 100 mm |
| Cylinder Bore: | 92 mm | 84 mm | 82 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive | |
| Number of Gears (automatic transmission): | 3 | 6 | - |
| Number of Gears (manual transmission): | 3 | ||
| Length: | 4480 mm | 4580 mm | 4665 mm |
| Width: | 1676 mm | 1782 mm | 1695 mm |
| Height: | 1321 mm | 1395 mm | 1640 mm |
| Wheelbase: | 2490 mm | 2760 mm | 2700 mm |
| Front track: | 1372 mm | 1503 mm | 1364 mm |
| Rear (Back) track: | 1360 mm | 1512 mm | 1362 mm |
| Ride height(clearance): | 177 mm | ||
| Maximum amount of Luggage (trunk): | 430 l | ||
| Front suspension: | Double wishbone | The depreciated rack | Coil spring |
| Rear suspension: | dependent spring suspension | Helical spring | The spring |
| Max weight: | 2200 kg | 1835 kg | |
| Front brakes: | Disc | Ventilated discs | Drum |
| Rear brakes: | Disc | Ventilated discs | Drum |
| Kerb Weight: | 1308 kg | 1845 kg | 1460 kg |
| ABS: | yes | ||
| Steering type: | Steering rack and pinion | Steering rack and pinion | |
| Minimum turning circle (turning diameter): | 10.3 m | ||
| Tire size: | 245/40 R18ZR; 265/40 R18ZR | 205/75 R16 |