2003 Audi A6 vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 4,802 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (296 HP) has 11 more horse power than 2005 GMC Sierra. (285 HP). In normal driving conditions, 2003 Audi A6 should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 342 kg more than 2003 Audi A6.
Because 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2003 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, both vehicles can yield 400 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2003 Audi A6 | 2005 GMC Sierra | |
| Make | Audi | GMC |
| Model | A6 | Sierra |
| Year Released | 2003 | 2005 |
| Body Type | Station Wagon | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4802 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 2 valves |
| Horse Power | 296 HP | 285 HP |
| Torque | 400 Nm | 400 Nm |
| Engine Bore Size | 84.5 mm | 96 mm |
| Engine Stroke Size | 93 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1818 kg | 2160 kg |
| Vehicle Length | 4840 mm | 5710 mm |
| Vehicle Width | 1860 mm | 2000 mm |
| Vehicle Height | 1460 mm | 1810 mm |
| Wheelbase Size | 2850 mm | 3380 mm |
| Fuel Consumption Overall | 13.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 82 L | 129 L |
