2007 Audi R8 vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi R8. In addition, the cost of maintenance, including insurance, on 2007 Audi R8 would be higher. At 5,999 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 Audi R8 (414 HP @ 7800 RPM) has 102 more horse power than 2009 GMC Sierra. (312 HP @ 4400 RPM). In normal driving conditions, 2007 Audi R8 should accelerate faster than 2009 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 329 kg more than 2007 Audi R8.
Because 2007 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2009 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2007 Audi R8 will offer significantly more control. 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 GMC Sierra (506 Nm @ 4400 RPM) has 76 more torque (in Nm) than 2007 Audi R8. (430 Nm @ 4500 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi R8. 2009 GMC Sierra has automatic transmission and 2007 Audi R8 has manual transmission. 2007 Audi R8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi R8 | 2009 GMC Sierra | |
| Make | Audi | GMC |
| Model | R8 | Sierra |
| Year Released | 2007 | 2009 |
| Body Type | Coupe | Pickup |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 414 HP | 312 HP |
| Engine RPM | 7800 RPM | 4400 RPM |
| Torque | 430 Nm | 506 Nm |
| Torque RPM | 4500 RPM | 4400 RPM |
| Engine Compression Ratio | 12.5:1 | 10.8:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | AWD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1894 kg |
| Vehicle Length | 4590 mm | 6580 mm |
| Vehicle Width | 1910 mm | 2440 mm |
| Vehicle Height | 1260 mm | 1940 mm |
| Wheelbase Size | 2660 mm | 4250 mm |
| Fuel Consumption Overall | 13.6 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 75 L | 129 L |
