2009 Audi A8 vs. 2006 GMC Sierra
To start off, 2009 Audi A8 is newer by 3 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 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (300 HP) has 44 more horse power than 2009 Audi A8. (256 HP) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 1453 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2006 GMC Sierra (489 Nm @ 4000 RPM) has 159 more torque (in Nm) than 2009 Audi A8. (330 Nm @ 3250 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2006 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 256 HP | 300 HP |
| Torque | 330 Nm | 489 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1160 kg | 2613 kg |
| Vehicle Length | 5060 mm | 6570 mm |
| Vehicle Width | 1900 mm | 2030 mm |
| Vehicle Height | 1450 mm | 1970 mm |
| Wheelbase Size | 2950 mm | 4250 mm |
| Fuel Consumption Overall | 11 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 129 L |
