Comparison Vauxhall Signum 3.0 V6 CDTi 24V ECOTEC (184 Hp) & Audi A7 Sportback (C8) 55 TFSI (340 Hp) quattro S tronic MHEV
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| Brand: | Vauxhall | Audi |
| Model: | Signum | A7 |
| Generation: | Signum | A7 Sportback (C8) |
| Engine / modification: | 3.0 V6 CDTi 24V ECOTEC (184 Hp) | 55 TFSI (340 Hp) quattro S tronic MHEV |
| Production start: | 2003 year | 2017 year |
| Production end: | 2008 year | |
| Coupe type: | Hatchback | Hatchback |
| Num. of Doors: | 5 | 5 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 9.9 l/100 km | 9.1-9.3 l/100 km |
| Fuel consumption / economy - extra urban: | 5.3 l/100 km | 5.4-5.9 l/100 km |
| Fuel consumption / economy - combined: | 7 l/100 km | 6.8-7.2 l/100 km |
| Fuel Type: | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.28 | |
| Fuel tank volume: | 60 l | 63 l |
| Combined fuel consumption (WLTP): | 9.2-9.5 l/100 km | |
| Emission standard: | Euro 4 | Euro 6 |
| CO2 emissions: | 189 g/km | 154-163 g/km |
| Power: | 184 hp | 340 hp |
| Max power in: | 4000 rpm. | 5000-6400 rpm. |
| Maximum speed: | 224 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 5.3 sec | |
| CO2 emissions (WLTP): | 208-217 g/km | |
| Torque: | 400 Nm @ 1900-2700 rpm. | 500 Nm @ 1370-4500 rpm. |
| Model Engine: | DLZA | |
| Engine position: | Front, transverse | Front, longitudinal |
| Engine displacement: | 2958 cm3 | 2995 cm3 |
| Engine oil capacity: | 7.6 l | |
| Fuel System: | Diesel Commonrail | Direct injection |
| Aspiration / Turbine: | Turbo / Intercooler (Turbocharging / Intercooler) | Turbocharger |
| Position of cylinders: | V engine | V engine |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 18.5 | |
| Wheel Drive: | Front wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 7 S tronic | |
| Number of Gears (manual transmission): | 6 | |
| Length: | 4651 mm | 4969 mm |
| Width: | 1798 mm | 1908 mm |
| Width including mirrors: | 2036 mm | 2118 mm |
| Height: | 1466 mm | 1422 mm |
| Wheelbase: | 2830 mm | 2926 mm |
| Front track: | 1651 mm | |
| Rear (Back) track: | 1637 mm | |
| Front overhang: | 927 mm | |
| Rear overhang: | 1116 mm | |
| Minimum volume of Luggage (trunk): | 365 l | 535 l |
| Maximum amount of Luggage (trunk): | 1410 l | |
| Front suspension: | Independent, Spring McPherson, with stabilizer | Multi-link suspension |
| Rear suspension: | Multi-link independent | Multi-link independent |
| Max weight: | 2470 kg | |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Disc | Ventilated discs |
| Kerb Weight: | 1415 kg | 1815 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | |
| Power steering: | Electric Steering | |
| Max. roof load: | 90 kg | |
| Permitted trailer load with brakes (8%): | 2000 kg | |
| Minimum turning circle (turning diameter): | 12.2 m | |
| Permitted trailer load with brakes (12%): | 2000 kg | |
| Permitted trailer load without brakes: | 750 kg | |
| Permitted towbar download: | 95 kg | |
| Tire size: | 225/55 R18 102Y | |
| Wheel rims size: | 8J x 18 |