2007 Audi Q7 vs. 2009 Audi R8
To start off, 2009 Audi R8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi Q7. In addition, the cost of maintenance, including insurance, on 2007 Audi Q7 would be higher. At 4,163 cc (8 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (414 HP @ 7800 RPM) has 138 more horse power than 2007 Audi Q7. (276 HP @ 6200 RPM) In normal driving conditions, 2009 Audi R8 should accelerate faster than 2007 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi Q7 weights approximately 675 kg more than 2009 Audi R8.
With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Audi R8 (430 Nm @ 4500 RPM) has 70 more torque (in Nm) than 2007 Audi Q7. (360 Nm @ 2500 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi Q7.
Compare all specifications:
| 2007 Audi Q7 | 2009 Audi R8 | |
| Make | Audi | Audi |
| Model | Q7 | R8 |
| Year Released | 2007 | 2009 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3597 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 414 HP |
| Engine RPM | 6200 RPM | 7800 RPM |
| Torque | 360 Nm | 430 Nm |
| Torque RPM | 2500 RPM | 4500 RPM |
| Engine Compression Ratio | 11.0:1 | 12.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.3 seconds | 4.6 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2240 kg | 1565 kg |
| Vehicle Length | 5090 mm | 4440 mm |
| Vehicle Width | 1990 mm | 1910 mm |
| Vehicle Height | 1740 mm | 1260 mm |
| Wheelbase Size | 3010 mm | 2660 mm |
| Fuel Consumption Overall | 13 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 100 L | 75 L |
