2008 Audi A6 vs. 2006 GMC Sierra
To start off, 2008 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2006 GMC Sierra would be higher. At 5,358 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (296 HP @ 6200 RPM) has 1 more horse power than 2006 GMC Sierra. (295 HP @ 5200 RPM). In normal driving conditions, 2008 Audi A6 should accelerate faster than 2006 GMC Sierra.
Let's talk about torque, 2006 GMC Sierra (454 Nm @ 4000 RPM) has 73 more torque (in Nm) than 2008 Audi A6. (381 Nm @ 2700 RPM). This means 2006 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 | 2006 GMC Sierra | |
| Make | Audi | GMC |
| Model | A6 | Sierra |
| Year Released | 2008 | 2006 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5358 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 296 HP | 295 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 381 Nm | 454 Nm |
| Torque RPM | 2700 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 96 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Gasoline / Electric Hybrid |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4820 mm | 5850 mm |
| Vehicle Width | 1860 mm | 2000 mm |
| Vehicle Height | 1560 mm | 1810 mm |
| Wheelbase Size | 2760 mm | 3650 mm |
| Fuel Consumption Overall | 13.7 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 70 L | 98 L |
