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 (444 HP) has 144 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, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 629 kg more than 2007 Audi S8.
Because 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2005 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2007 Audi S8 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, 2007 Audi S8 (540 Nm) has 51 more torque (in Nm) than 2005 GMC Sierra. (489 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 | 444 HP | 300 HP |
| Torque | 540 Nm | 489 Nm |
| Engine Bore Size | 84.5 mm | 102 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Drive Type | AWD | Rear |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1940 kg | 2569 kg |
| Vehicle Length | 5070 mm | 6270 mm |
| Vehicle Width | 1900 mm | 2030 mm |
| Vehicle Height | 1430 mm | 1940 mm |
| Wheelbase Size | 2950 mm | 4010 mm |
| Fuel Tank Capacity | 90 L | 129 L |
