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 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 143 more horse power than 2003 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 575 kg more than 2003 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 2003 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, both vehicles can yield 370 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. 2005 GMC Sierra has automatic transmission and 2003 Audi A6 has manual transmission. 2003 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 GMC Sierra will be easier to drive especially in heavy traffic.
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 | 2698 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 178 HP | 321 HP |
| Engine RPM | 3300 RPM | 5000 RPM |
| Torque | 370 Nm | 370 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1695 kg | 2270 kg |
| Vehicle Length | 4940 mm | 5790 mm |
| Vehicle Width | 1860 mm | 2000 mm |
| Vehicle Height | 1470 mm | 1850 mm |
| Wheelbase Size | 2850 mm | 3650 mm |
| Fuel Consumption Overall | 7.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 117 L |
