2006 Audi A6 vs. 2005 GMC Sierra
To start off, 2006 Audi A6 is newer by 1 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 49 more horse power than 2006 Audi A6. (252 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1403 kg more than 2006 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A6. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (488 Nm) has 158 more torque (in Nm) than 2006 Audi A6. (330 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 2006 Audi A6 | 2005 GMC Sierra | |
| Make | Audi | GMC |
| Model | A6 | Sierra |
| Year Released | 2006 | 2005 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 252 HP | 301 HP |
| Torque | 330 Nm | 488 Nm |
| Engine Bore Size | 84.5 mm | 102 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Engine Compression Ratio | 13.0:1 | 9.4:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1275 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 |
