2007 GMC Sierra vs. 2011 Audi S8
To start off, 2011 Audi S8 is newer by 4 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 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 Audi S8 (450 HP @ 7000 RPM) has 97 more horse power than 2007 GMC Sierra. (353 HP @ 5400 RPM) In normal driving conditions, 2011 Audi S8 should accelerate faster than 2007 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1613 kg more than 2011 Audi S8.
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, 2011 Audi S8 (540 Nm @ 3500 RPM) has 34 more torque (in Nm) than 2007 GMC Sierra. (506 Nm @ 4400 RPM). This means 2011 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2007 GMC Sierra.
Compare all specifications:
| 2007 GMC Sierra | 2011 Audi S8 | |
| Make | GMC | Audi |
| Model | Sierra | S8 |
| Year Released | 2007 | 2011 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 5204 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 450 HP |
| Engine RPM | 5400 RPM | 7000 RPM |
| Torque | 506 Nm | 540 Nm |
| Torque RPM | 4400 RPM | 3500 RPM |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2788 kg | 1175 kg |
| Vehicle Length | 6340 mm | 5070 mm |
| Vehicle Width | 2040 mm | 1900 mm |
| Vehicle Height | 1950 mm | 1430 mm |
| Wheelbase Size | 4010 mm | 2950 mm |
| Fuel Consumption Overall | 13.1 L/100km | 15.8 L/100km |
| Fuel Tank Capacity | 129 L | 90 L |
