2009 Audi A6 vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi A6. In addition, the cost of maintenance, including insurance, on 2009 Audi A6 would be higher. At 4,800 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (342 HP @ 6500 RPM) has 40 more horse power than 2011 GMC Sierra. (302 HP @ 5600 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2011 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 771 kg more than 2009 Audi A6.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2011 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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, 2011 GMC Sierra (413 Nm @ 4600 RPM) has 170 more torque (in Nm) than 2009 Audi A6. (243 Nm @ 3250 RPM). This means 2011 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 | 2011 GMC Sierra | |
| Make | Audi | GMC |
| Model | A6 | Sierra |
| Year Released | 2009 | 2011 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 342 HP | 302 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 243 Nm | 413 Nm |
| Torque RPM | 3250 RPM | 4600 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 4-speed automatic |
| Vehicle Weight | 1540 kg | 2311 kg |
| Vehicle Length | 4920 mm | 5847 mm |
| Vehicle Width | 1470 mm | 2032 mm |
| Vehicle Height | 1860 mm | 1875 mm |
| Wheelbase Size | 2850 mm | 3645 mm |
| Fuel Tank Capacity | 70 L | 98 L |
