2006 Audi A8 vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 would be higher. At 6,000 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (355 HP @ 5700 RPM) has 125 more horse power than 2006 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 2006 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 609 kg more than 2006 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 GMC Sierra (565 Nm @ 4300 RPM) has 114 more torque (in Nm) than 2006 Audi A8. (451 Nm @ 1400 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A8.
Compare all specifications:
| 2006 Audi A8 | 2013 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2006 | 2013 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 6000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 230 HP | 355 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 451 Nm | 565 Nm |
| Torque RPM | 1400 RPM | 4300 RPM |
| Engine Bore Size | 83 mm | 103 mm |
| Engine Stroke Size | 91.4 mm | 92 mm |
| Fuel Type | Diesel | Flex Fuel |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 2439 kg |
| Vehicle Length | 5060 mm | 5847 mm |
| Vehicle Width | 1900 mm | 2032 mm |
| Vehicle Height | 1450 mm | 1872 mm |
| Wheelbase Size | 2950 mm | 3645 mm |
| Fuel Tank Capacity | 90 L | 98 L |
