2003 Audi A8 vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Audi A8. In addition, the cost of maintenance, including insurance, on 2003 Audi A8 would be higher. At 5,300 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (315 HP @ 5200 RPM) has 39 more horse power than 2003 Audi A8. (276 HP @ 3750 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 2003 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 431 kg more than 2003 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A8 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, 2003 Audi A8 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, 2003 Audi A8 (650 Nm @ 1800 RPM) has 196 more torque (in Nm) than 2011 GMC Sierra. (454 Nm @ 4000 RPM). This means 2003 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2011 GMC Sierra.
Compare all specifications:
| 2003 Audi A8 | 2011 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 5300 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 276 HP | 315 HP |
| Engine RPM | 3750 RPM | 5200 RPM |
| Torque | 650 Nm | 454 Nm |
| Torque RPM | 1800 RPM | 4000 RPM |
| Fuel Type | Diesel | Flex Fuel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Vehicle Weight | 1880 kg | 2311 kg |
| Vehicle Length | 5060 mm | 5847 mm |
| Vehicle Width | 1900 mm | 2032 mm |
| Vehicle Height | 1450 mm | 1875 mm |
| Wheelbase Size | 2770 mm | 3645 mm |
| Fuel Consumption | 7.5 L/100km | 11.2 L/100km |
| Fuel Consumption City | 13.4 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 90 L | 98 L |
