2008 Audi A6 vs. 2007 GMC Sierra
To start off, 2008 Audi A6 is newer by 1 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 5,997 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (353 HP @ 5400 RPM) has 146 more horse power than 2008 Audi A6. (207 HP @ 5500 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 712 kg more than 2008 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A6. In wet, icy, snow, or gravel driving conditions, 2007 GMC Sierra 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 GMC Sierra (506 Nm @ 4400 RPM) has 226 more torque (in Nm) than 2008 Audi A6. (280 Nm @ 3000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2007 GMC Sierra | |
| Make | Audi | GMC |
| Model | A6 | Sierra |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2773 cc | 5997 cc |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 207 HP | 353 HP |
| Engine RPM | 5500 RPM | 5400 RPM |
| Torque | 280 Nm | 506 Nm |
| Torque RPM | 3000 RPM | 4400 RPM |
| Engine Bore Size | 84.6 mm | 102 mm |
| Engine Stroke Size | 82.4 mm | 92 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1570 kg | 2282 kg |
| Vehicle Length | 4180 mm | 5710 mm |
| Vehicle Width | 1900 mm | 2040 mm |
| Vehicle Height | 1560 mm | 1950 mm |
| Wheelbase Size | 2850 mm | 3380 mm |
| Fuel Tank Capacity | 70 L | 129 L |
