2005 Audi A8 vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (444 HP @ 6500 RPM) has 91 more horse power than 2007 GMC Sierra. (353 HP @ 5400 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2007 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1382 kg more than 2005 Audi A8.
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, 2005 Audi A8 (560 Nm @ 4000 RPM) has 54 more torque (in Nm) than 2007 GMC Sierra. (506 Nm @ 4400 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2007 GMC Sierra.
Compare all specifications:
| 2005 Audi A8 | 2007 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 5997 cc |
| Engine Type | W | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 353 HP |
| Engine RPM | 6500 RPM | 5400 RPM |
| Torque | 560 Nm | 506 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 900 kg | 2282 kg |
| Vehicle Length | 5190 mm | 5710 mm |
| Vehicle Width | 1900 mm | 2040 mm |
| Vehicle Height | 1460 mm | 1950 mm |
| Wheelbase Size | 3080 mm | 3380 mm |
| Fuel Consumption Overall | 13.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 90 L | 129 L |
