2007 Audi S8 vs. 2005 GMC Sierra
To start off, 2007 Audi S8 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 S8 (450 HP) has 150 more horse power than 2005 GMC Sierra. (300 HP). In normal driving conditions, 2007 Audi S8 should accelerate faster than 2005 GMC Sierra.
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 S8 (541 Nm) has 53 more torque (in Nm) than 2005 GMC Sierra. (488 Nm). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2007 Audi S8 | 2005 GMC Sierra | |
| Make | Audi | GMC |
| Model | S8 | Sierra |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 5965 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 450 HP | 300 HP |
| Torque | 541 Nm | 488 Nm |
| Engine Bore Size | 84.5 mm | 102 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Drive Type | AWD | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5070 mm | 6510 mm |
| Vehicle Width | 1900 mm | 2030 mm |
| Vehicle Height | 1430 mm | 1960 mm |
| Wheelbase Size | 2950 mm | 4250 mm |
| Fuel Tank Capacity | 90 L | 129 L |
