2009 Audi A6 vs. 2005 GMC Sierra
To start off, 2009 Audi A6 is newer by 4 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, 2005 GMC Sierra (301 HP) has 153 more horse power than 2009 Audi A6. (148 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1083 kg more than 2009 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2005 GMC Sierra (488 Nm) has 278 more torque (in Nm) than 2009 Audi A6. (210 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2005 GMC Sierra | |
| Make | Audi | GMC |
| Model | A6 | Sierra |
| Year Released | 2009 | 2005 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 5965 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 148 HP | 301 HP |
| Torque | 210 Nm | 488 Nm |
| Engine Bore Size | 81 mm | 102 mm |
| Engine Stroke Size | 86.4 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 9.4:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1595 kg | 2678 kg |
| Vehicle Length | 4800 mm | 5650 mm |
| Vehicle Width | 1820 mm | 2450 mm |
| Vehicle Height | 1460 mm | 1950 mm |
| Wheelbase Size | 2770 mm | 3380 mm |
| Fuel Tank Capacity | 70 L | 129 L |
