2006 Audi A8 vs. 2005 GMC Sierra
To start off, 2006 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra 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 91 more horse power than 2006 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2006 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 440 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.
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 Audi A8 (451 Nm @ 1400 RPM) has 81 more torque (in Nm) than 2005 GMC Sierra. (370 Nm @ 4000 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2006 Audi A8 | 2005 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 5965 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 230 HP | 321 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 451 Nm | 370 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 2270 kg |
| Vehicle Length | 5060 mm | 5790 mm |
| Vehicle Width | 1900 mm | 2000 mm |
| Vehicle Height | 1450 mm | 1850 mm |
| Wheelbase Size | 2950 mm | 3650 mm |
| Fuel Consumption Overall | 8.4 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 117 L |
