2009 Audi R8 vs. 2007 GMC Sierra
To start off, 2009 Audi R8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2007 GMC Sierra would be higher. At 6,172 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (414 HP @ 7800 RPM) has 11 more horse power than 2007 GMC Sierra. (403 HP @ 5700 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2007 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 913 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, 2007 GMC Sierra (565 Nm @ 4300 RPM) has 135 more torque (in Nm) than 2009 Audi R8. (430 Nm @ 4500 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi R8.
Compare all specifications:
| 2009 Audi R8 | 2007 GMC Sierra | |
| Make | Audi | GMC |
| Model | R8 | Sierra |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Pickup |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 6172 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 414 HP | 403 HP |
| Engine RPM | 7800 RPM | 5700 RPM |
| Torque | 430 Nm | 565 Nm |
| Torque RPM | 4500 RPM | 4300 RPM |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1565 kg | 2478 kg |
| Vehicle Length | 4440 mm | 5850 mm |
| Vehicle Width | 1910 mm | 2040 mm |
| Vehicle Height | 1260 mm | 1880 mm |
| Wheelbase Size | 2660 mm | 3650 mm |
| Fuel Consumption Overall | 13.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 75 L | 98 L |
