Comparison Opel Signum 2.2 DTI ECOTEC (125 Hp) & Aston Martin V8 Vantage (2018) 4.0 V8 (510 Hp) Automatic
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| Brand: | Opel | Aston Martin |
| Model: | Signum | V8 Vantage |
| Generation: | Signum | V8 Vantage (2018) |
| Engine / modification: | 2.2 DTI ECOTEC (125 Hp) | 4.0 V8 (510 Hp) Automatic |
| Production start: | 2003 year | 2017 year |
| Production end: | 2004 year | |
| Coupe type: | Hatchback | Coupe |
| Num. of Doors: | 5 | 2 |
| Num. of seats: | 5 | 2 |
| Fuel consumption / economy - urban: | 8.5 l/100 km | 14.4 l/100 km |
| Fuel consumption / economy - extra urban: | 5 l/100 km | 8.2 l/100 km |
| Fuel consumption / economy - combined: | 6.3 l/100 km | 10.5 l/100 km |
| Fuel Type: | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.33 | |
| Fuel tank volume: | 61 l | 73 l |
| CO2 emissions: | 245 g/km | |
| Power: | 125 hp | 510 hp |
| Max power in: | 4000 rpm. | 6000 rpm. |
| Maximum speed: | 201 km/h | 314 km/h |
| Acceleration from 0 to 100 km/h: | 11.2 sec | 3.7 sec |
| Torque: | 280 Nm/1500 rpm. | 685 Nm @ 2000-5000 rpm. |
| Engine position: | Front, transverse | Front, longitudinal |
| Engine displacement: | 2171 cm3 | 3982 cm3 |
| Fuel System: | Diesel Commonrail | Direct injection |
| Aspiration / Turbine: | Turbocharging | Twin-Turbo |
| Position of cylinders: | Inline | V engine |
| Valvetrain: | OHC | DOHC |
| Number of cylinders: | 4 | 8 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 18.5 | 10.5 |
| Piston Stroke: | 98 mm | 92 mm |
| Cylinder Bore: | 84 mm | 83 mm |
| Wheel Drive: | Front wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | - | 8 |
| Number of Gears (manual transmission): | 5 | |
| Length: | 4636 mm | 4465 mm |
| Width: | 1798 mm | 1942 mm |
| Width including mirrors: | 2153 mm | |
| Height: | 1460 mm | 1273 mm |
| Wheelbase: | 2830 mm | 2704 mm |
| Front track: | 1524 mm | |
| Rear (Back) track: | 1525 mm | |
| Minimum volume of Luggage (trunk): | 365 l | |
| Maximum amount of Luggage (trunk): | 1410 l | |
| Front suspension: | Helical spring | Double wishbone |
| Rear suspension: | Helical spring | Multi-link independent |
| Max weight: | 2125 kg | |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Ventilated discs |
| Kerb Weight: | 1610 kg | 1530 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Electric Steering |
| Tire size: | 215/55 R16 | 255/40 R20; 295/35 R20 |
| Wheel rims size: | 6.5J x 16 | R20 |