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 5,204 cc (10 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (518 HP @ 8000 RPM) has 223 more horse power than 2007 GMC Sierra. (295 HP @ 5600 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 737 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 (530 Nm @ 6500 RPM) has 116 more torque (in Nm) than 2007 GMC Sierra. (414 Nm @ 4800 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2007 GMC Sierra. 2007 GMC Sierra has automatic transmission and 2009 Audi R8 has manual transmission. 2009 Audi R8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Sierra will be easier to drive especially in heavy traffic.
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 | 5204 cc | 4802 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 518 HP | 295 HP |
| Engine RPM | 8000 RPM | 5600 RPM |
| Torque | 530 Nm | 414 Nm |
| Torque RPM | 6500 RPM | 4800 RPM |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 3 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1580 kg | 2317 kg |
| Vehicle Length | 4440 mm | 5710 mm |
| Vehicle Width | 1940 mm | 2040 mm |
| Vehicle Height | 1260 mm | 1870 mm |
| Wheelbase Size | 2660 mm | 3380 mm |
| Fuel Consumption Highway | 12.4 L/100km | 11.8 L/100km |
| Fuel Consumption City | 19.6 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 14.7 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 75 L | 129 L |
