2009 Audi R8 vs. 2007 Porsche 911
To start off, 2009 Audi R8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Porsche 911. In addition, the cost of maintenance, including insurance, on 2007 Porsche 911 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 (420 HP @ 7800 RPM) has 65 more horse power than 2007 Porsche 911. (355 HP @ 6600 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2007 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2007 Porsche 911 weights approximately 580 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 29 more torque (in Nm) than 2007 Porsche 911. (401 Nm @ 4600 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Porsche 911.
Compare all specifications:
| 2009 Audi R8 | 2007 Porsche 911 | |
| Make | Audi | Porsche |
| Model | R8 | 911 |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Coupe |
| Engine Position | Middle | Rear |
| Engine Size | 4163 cc | 3824 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 420 HP | 355 HP |
| Engine RPM | 7800 RPM | 6600 RPM |
| Torque | 430 Nm | 401 Nm |
| Torque RPM | 4500 RPM | 4600 RPM |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 895 kg | 1475 kg |
| Vehicle Length | 4440 mm | 4470 mm |
| Vehicle Width | 1910 mm | 1860 mm |
| Vehicle Height | 1260 mm | 1310 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
| Fuel Consumption Highway | 12.4 L/100km | 9.4 L/100km |
| Fuel Consumption City | 19.6 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 90 L | 67 L |
