2005 GMC Sierra vs. 2007 Audi R8
To start off, 2007 Audi R8 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 Audi R8 (414 HP @ 7800 RPM) has 93 more horse power than 2005 GMC Sierra. (321 HP @ 5000 RPM) In normal driving conditions, 2007 Audi R8 should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 705 kg more than 2007 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 Audi R8 (430 Nm @ 4500 RPM) has 60 more torque (in Nm) than 2005 GMC Sierra. (370 Nm @ 4000 RPM). This means 2007 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2005 GMC Sierra | 2007 Audi R8 | |
| Make | GMC | Audi |
| Model | Sierra | R8 |
| Year Released | 2005 | 2007 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 5965 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 321 HP | 414 HP |
| Engine RPM | 5000 RPM | 7800 RPM |
| Torque | 370 Nm | 430 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2270 kg | 1565 kg |
| Vehicle Length | 5790 mm | 4590 mm |
| Vehicle Width | 2000 mm | 1910 mm |
| Vehicle Height | 1850 mm | 1260 mm |
| Wheelbase Size | 3650 mm | 2660 mm |
| Fuel Consumption Overall | 13.1 L/100km | 13.6 L/100km |
| Fuel Tank Capacity | 117 L | 75 L |
