2007 Audi A8 vs. 2008 GMC Sierra
To start off, 2008 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (444 HP @ 7000 RPM) has 90 more horse power than 2008 GMC Sierra. (354 HP @ 5400 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2008 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 201 kg more than 2007 Audi A8.
Because 2007 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2007 Audi A8 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, 2007 Audi A8 (540 Nm @ 3500 RPM) has 34 more torque (in Nm) than 2008 GMC Sierra. (506 Nm @ 4400 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 GMC Sierra.
Compare all specifications:
| 2007 Audi A8 | 2008 GMC Sierra | |
| Make | Audi | GMC |
| Model | A8 | Sierra |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5202 cc | 5999 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 354 HP |
| Engine RPM | 7000 RPM | 5400 RPM |
| Torque | 540 Nm | 506 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1940 kg | 2141 kg |
| Vehicle Length | 5070 mm | 6580 mm |
| Vehicle Width | 1900 mm | 2440 mm |
| Vehicle Height | 1430 mm | 1940 mm |
| Wheelbase Size | 2950 mm | 4250 mm |
| Fuel Consumption Overall | 13.4 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 90 L | 129 L |
