2005 GMC Sierra vs. 2012 Audi A8
To start off, 2012 Audi A8 is newer by 7 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, 2012 Audi A8 (345 HP @ 4000 RPM) has 24 more horse power than 2005 GMC Sierra. (321 HP @ 5000 RPM) In normal driving conditions, 2012 Audi A8 should accelerate faster than 2005 GMC Sierra.
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, 2012 Audi A8 (800 Nm @ 1750 RPM) has 430 more torque (in Nm) than 2005 GMC Sierra. (370 Nm @ 4000 RPM). This means 2012 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2005 GMC Sierra | 2012 Audi A8 | |
| Make | GMC | Audi |
| Model | Sierra | A8 |
| Year Released | 2005 | 2012 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 4134 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 321 HP | 345 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 370 Nm | 800 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5790 mm | 5136 mm |
| Vehicle Width | 2000 mm | 1948 mm |
| Vehicle Height | 1850 mm | 1461 mm |
| Wheelbase Size | 3650 mm | 2992 mm |
| Fuel Tank Capacity | 117 L | 90 L |
