Comparison Audi S7 Sportback (C7 facelift 2014) 4.0 TFSI V8 (450 Hp) quattro S tronic & Audi A3 Sportback (8V) 2.0 TDI (150 Hp) clean diesel S-tronic
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| Brand: | Audi | Audi |
| Model: | S7 | A3 |
| Generation: | S7 Sportback (C7 facelift 2014) | A3 Sportback (8V) |
| Engine / modification: | 4.0 TFSI V8 (450 Hp) quattro S tronic | 2.0 TDI (150 Hp) clean diesel S-tronic |
| Production start: | 2014 year | 2013 year |
| Production end: | 2018 year | 2016 year |
| Coupe type: | Hatchback | Hatchback |
| Num. of Doors: | 5 | 5 |
| Num. of seats: | 4 | 5 |
| Fuel consumption / economy - urban: | 13.2 l/100 km | 5.4 l/100 km |
| Fuel consumption / economy - extra urban: | 7.0 l/100 km | 4.1 l/100 km |
| Fuel consumption / economy - combined: | 9.3 l/100 km | 4.5 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Drag coefficient: | 0.3 | 0.31 |
| Fuel tank volume: | 75 l | 50 l |
| Emission standard: | Euro 6 | EURO VI |
| CO2 emissions: | 215 g/km | 116 g/km |
| Power: | 450 hp | 150 hp |
| Max power in: | 5800-6400 rpm. | 3500-4000 rpm. |
| Maximum speed: | 250 km/h | 218 km/h |
| Acceleration from 0 to 100 km/h: | 4.6 sec | 8.3 sec |
| Torque: | 550 Nm @ 1400-5700 rpm. | 320 Nm/1750-3000 rpm. |
| Engine position: | Front, longitudinal | Front, transverse |
| Engine displacement: | 3993 cm3 | 1968 cm3 |
| Engine oil capacity: | 8.3 l | 4.6 l |
| Coolant: | 12 l | |
| Fuel System: | Direct injection | Diesel Commonrail |
| Maximum engine speed: | 6400 rpm. | |
| Aspiration / Turbine: | BiTurbo | Turbo / Intercooler (Turbocharging / Intercooler) |
| Position of cylinders: | V engine | Inline |
| Valvetrain: | DOHC | DOHC |
| Number of cylinders: | 8 | 4 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.1 | 16.2 |
| Piston Stroke: | 89 mm | 95.5 mm |
| Cylinder Bore: | 84.5 mm | 81 mm |
| Wheel Drive: | All wheel drive (4x4) | Front wheel drive |
| Number of Gears (automatic transmission): | 7 S-tronic | 6 S-tronic |
| Length: | 4980 mm | 4310 mm |
| Width: | 1911 mm | 1786 mm |
| Width including mirrors: | 2139 mm | 1966 mm |
| Height: | 1408 mm | 1426 mm |
| Wheelbase: | 2916 mm | 2636 mm |
| Front track: | 1641 mm | 1536 mm |
| Rear (Back) track: | 1632 mm | 1506 mm |
| Front overhang: | 941 mm | 869 mm |
| Rear overhang: | 1123 mm | 805 mm |
| Minimum volume of Luggage (trunk): | 535 l | 380 l |
| Maximum amount of Luggage (trunk): | 1390 l | 1220 l |
| Front suspension: | Independent multi-link | Independent, Spring McPherson, with stabilizer |
| Rear suspension: | Independent on trapezoidal lever | Multi-link independent |
| Max weight: | 2565 kg | 1880 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc |
| Kerb Weight: | 1955 kg | 1320 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Electric Steering |
| Max. roof load: | 100 kg | 75 kg |
| Permitted trailer load with brakes (8%): | 2100 kg | 1800 kg |
| Minimum turning circle (turning diameter): | 11.9 m | 10.9 m |
| Permitted trailer load with brakes (12%): | 2100 kg | 1600 kg |
| Permitted trailer load without brakes: | 750 kg | 690 kg |
| Permitted towbar download: | 85 kg | 75 kg |
| Tire size: | 255/40 R19 | 205/55 R16 |
| Wheel rims size: | 8.5J x 19 | 6.5J x 16 |