Comparison Audi Q7 (Typ 4L) 4.2 TDI V8 (326 Hp) quattro DPF Tiptronic & Audi TT Roadster (8J) 3.2i V6 24V (250 Hp) quattro
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| Brand: | Audi | Audi |
| Model: | Q7 | TT |
| Generation: | Q7 (Typ 4L) | TT Roadster (8J) |
| Engine / modification: | 4.2 TDI V8 (326 Hp) quattro DPF Tiptronic | 3.2i V6 24V (250 Hp) quattro |
| Production start: | 2007 year | 2006 year |
| Production end: | 2009 year | 2010 year |
| Coupe type: | SUV | Roadster |
| Num. of Doors: | 5 | 2 |
| Num. of seats: | 7 | 2 |
| Fuel consumption / economy - urban: | 14.9 l/100 km | 14.8 l/100 km |
| Fuel consumption / economy - extra urban: | 8.9 l/100 km | 7.8 l/100 km |
| Fuel consumption / economy - combined: | 11.1 l/100 km | 10.4 l/100 km |
| Fuel Type: | Diesel | Petrol (Gasoline) |
| Drag coefficient: | 0.35 | 0.33 |
| Fuel tank volume: | 100 l | 60 l |
| Emission standard: | Euro 4 | Euro 4 |
| CO2 emissions: | 250 g/km | |
| Power: | 326 hp | 250 hp |
| Max power in: | 3750 rpm. | 6300 rpm. |
| Maximum speed: | 236 km/h | 250 km/h |
| Acceleration from 0 to 100 km/h: | 6.4 sec | 6.1 sec |
| Torque: | 760 Nm @ 1800−2500 rpm. | 320 Nm @ 2800-3200 rpm. |
| Model Engine: | BTR | BUB |
| Engine position: | Front, longitudinal | Front, transverse |
| Engine displacement: | 4134 cm3 | 3189 cm3 |
| Engine oil capacity: | 9.5 l | 5.5 l |
| Coolant: | 12.7 l | |
| Fuel System: | Diesel Commonrail | Multi-point injection |
| Aspiration / Turbine: | Turbocharging | |
| Position of cylinders: | V engine | V engine |
| Valvetrain: | DOHC | DOHC |
| Number of cylinders: | 8 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 16.5 | 11.3 |
| Piston Stroke: | 95.5 mm | 95.9 mm |
| Cylinder Bore: | 83 mm | 84 mm |
| Wheel Drive: | All wheel drive (4x4) | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 6 Tiptronic | 6 |
| Number of Gears (manual transmission): | 6 | |
| Length: | 5086 mm | 4178 mm |
| Width: | 1983 mm | 1842 mm |
| Width including mirrors: | 2177 mm | |
| Height: | 1737 mm | 1358 mm |
| Wheelbase: | 3002 mm | 2468 mm |
| Front track: | 1651 mm | 1572 mm |
| Rear (Back) track: | 1676 mm | 1558 mm |
| Ride height(clearance): | 240-205 mm | |
| Front overhang: | 965 mm | |
| Rear overhang: | 1119 mm | |
| Minimum volume of Luggage (trunk): | 775 l | 250 l |
| Maximum amount of Luggage (trunk): | 2035 l | |
| Front suspension: | Double wishbone | Independent, Spring McPherson, with stabilizer |
| Rear suspension: | Independent, spring | Multi-link independent |
| Max weight: | 3115 kg | 1790 kg |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Ventilated discs |
| Kerb Weight: | 2420 kg | 1470 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Minimum turning circle (turning diameter): | 12 m | 10.96 m |
| Tire size: | 235/60 R18 | 225/45 R17 |
| Wheel rims size: | R18 | 7J x 17 |