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 4,298 cc (6 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (230 HP @ 4000 RPM) has 35 more horse power than 2008 GMC Sierra. (195 HP @ 4600 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 311 kg more than 2007 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, 2007 Audi A8 (450 Nm @ 1400 RPM) has 97 more torque (in Nm) than 2008 GMC Sierra. (353 Nm @ 2800 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 | 2967 cc | 4298 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 230 HP | 195 HP |
| Engine RPM | 4000 RPM | 4600 RPM |
| Torque | 450 Nm | 353 Nm |
| Torque RPM | 1400 RPM | 2800 RPM |
| Engine Compression Ratio | 17.0:1 | 9.2:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1830 kg | 2141 kg |
| Vehicle Length | 5060 mm | 5710 mm |
| Vehicle Width | 1900 mm | 2040 mm |
| Vehicle Height | 1450 mm | 1880 mm |
| Wheelbase Size | 3080 mm | 3030 mm |
| Fuel Consumption Overall | 8.4 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 98 L |
