2005 Audi A6 vs. 2012 GMC Sierra
To start off, 2012 GMC Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 6,000 cc (8 cylinders), 2012 GMC Sierra is equipped with a bigger engine. In terms of performance, 2012 GMC Sierra (364 HP @ 5400 RPM) has 117 more horse power than 2005 Audi A6. (247 HP @ 1800 RPM) In normal driving conditions, 2012 GMC Sierra should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2012 GMC Sierra weights approximately 999 kg more than 2005 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, 2012 GMC Sierra (506 Nm @ 4400 RPM) has 156 more torque (in Nm) than 2005 Audi A6. (350 Nm @ 1800 RPM). This means 2012 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2012 GMC Sierra | |
| Make | Audi | GMC |
| Model | A6 | Sierra |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 6000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 247 HP | 364 HP |
| Engine RPM | 1800 RPM | 5400 RPM |
| Torque | 350 Nm | 506 Nm |
| Torque RPM | 1800 RPM | 4400 RPM |
| Engine Compression Ratio | 9.3:1 | 10.2:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1660 kg | 2659 kg |
| Vehicle Length | 4800 mm | 5710 mm |
| Vehicle Width | 1820 mm | 2040 mm |
| Vehicle Height | 1460 mm | 1940 mm |
| Wheelbase Size | 2580 mm | 3380 mm |
| Fuel Consumption Overall | 12.2 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 129 L |
