Comparison Audi Q7 (Typ 4L, facelift 2009) 4.2 TDI V8 (340 Hp) quattro DPF Tiptronic & Audi S4 Avant (B8) 3.0 TFSI V6 (333 Hp) quattro
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| Brand: | Audi | Audi |
| Model: | Q7 | S4 |
| Generation: | Q7 (Typ 4L, facelift 2009) | S4 Avant (B8) |
| Engine / modification: | 4.2 TDI V8 (340 Hp) quattro DPF Tiptronic | 3.0 TFSI V6 (333 Hp) quattro |
| Production start: | 2009 year | 2008 year |
| Production end: | 2010 year | 2011 year |
| Coupe type: | SUV | Combi |
| Num. of Doors: | 5 | 5 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 12.8 l/100 km | 13.8 l/100 km |
| Fuel consumption / economy - extra urban: | 8.2 l/100 km | 7.5 l/100 km |
| Fuel consumption / economy - combined: | 9.9 l/100 km | 9.9 l/100 km |
| Fuel Type: | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.35 | 0.325 |
| Fuel tank volume: | 100 l | 64 l |
| Emission standard: | Euro 5 | Euro 5 |
| CO2 emissions: | 262 g/km | 229 g/km |
| Power: | 340 hp | 333 hp |
| Max power in: | 4000 rpm. | 5500-7000 rpm. |
| Maximum speed: | 235 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 6.4 sec | 5.2 sec |
| Torque: | 760 Nm @ 1750-3000 rpm. | 440 Nm @ 2900-5300 rpm. |
| Model Engine: | CCFA | CAKA, CCBA |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 4134 cm3 | 2995 cm3 |
| Engine oil capacity: | 9 l | 8.1 l |
| Coolant: | 11.1 l | |
| Fuel System: | Diesel Commonrail | Direct injection |
| Aspiration / Turbine: | Twin-Turbo | Mechanical supercharging (Compressor) |
| Position of cylinders: | V engine | V engine |
| Valvetrain: | DOHC | |
| Number of cylinders: | 8 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 16.4 | 10.3 |
| Piston Stroke: | 95.5 mm | 89 mm |
| Cylinder Bore: | 83 mm | 84.5 mm |
| Wheel Drive: | All wheel drive (4x4) | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 8 Tiptronic | |
| Number of Gears (manual transmission): | 6 | |
| Length: | 5089 mm | 4717 mm |
| Width: | 1983 mm | 1826 mm |
| Width including mirrors: | 2177 mm | |
| Height: | 1737 mm | 1415 mm |
| Wheelbase: | 3002 mm | 2811 mm |
| Front track: | 1651 mm | 1552 mm |
| Rear (Back) track: | 1681 mm | 1539 mm |
| Ride height(clearance): | 240 mm | |
| Front overhang: | 962 mm | |
| Rear overhang: | 1125 mm | |
| Minimum volume of Luggage (trunk): | 775 l | 490 l |
| Maximum amount of Luggage (trunk): | 2035 l | 1430 l |
| Front suspension: | Independent multi-link | Multi-link suspension |
| Rear suspension: | Double wishbone | Independent on trapezoidal lever |
| Max weight: | 3275 kg | 2275 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc |
| Kerb Weight: | 2450 kg | 1705 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Hydraulic Steering |
| Max. roof load: | 100 kg | 90 kg |
| Permitted trailer load with brakes (8%): | 3200 kg | 2100 kg |
| Minimum turning circle (turning diameter): | 12 m | 11.5 m |
| Permitted trailer load with brakes (12%): | 3200 kg | 1900 kg |
| Permitted trailer load without brakes: | 750 kg | 750 kg |
| Permitted towbar download: | 130 kg | 80 kg |
| Tire size: | 255/55 R18 | 245/40 R18 |
| Wheel rims size: | 8J x 18 | 8J x 18 |