2009 Audi A8 vs. 2005 GMC Sierra
To start off, 2009 Audi A8 is newer by 4 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) has 65 more horse power than 2009 Audi A8. (256 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1375 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.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A8. 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, 2005 GMC Sierra (370 Nm @ 4000 RPM) has 40 more torque (in Nm) than 2009 Audi A8. (330 Nm @ 3250 RPM). This means 2005 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 | 2005 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2009 | 2005 |
| 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 | 321 HP |
| Torque | 330 Nm | 370 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 895 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 | 9.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 117 L |
