2008 Audi Q7 vs. 2007 GMC Sierra
To start off, 2008 Audi Q7 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2007 GMC Sierra would be higher. At 5,997 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (353 HP @ 5400 RPM) has 123 more horse power than 2008 Audi Q7. (230 HP @ 4000 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2008 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi Q7 weights approximately 13 kg more than 2007 GMC Sierra.
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 GMC Sierra (506 Nm @ 4400 RPM) has 6 more torque (in Nm) than 2008 Audi Q7. (500 Nm @ 1750 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi Q7.
Compare all specifications:
| 2008 Audi Q7 | 2007 GMC Sierra | |
| Make | Audi | GMC |
| Model | Q7 | Sierra |
| Year Released | 2008 | 2007 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 5997 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 230 HP | 353 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 500 Nm | 506 Nm |
| Torque RPM | 1750 RPM | 4400 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2295 kg | 2282 kg |
| Vehicle Length | 5090 mm | 5710 mm |
| Vehicle Width | 1990 mm | 2040 mm |
| Vehicle Height | 1740 mm | 1950 mm |
| Wheelbase Size | 3010 mm | 3380 mm |
| Fuel Consumption Overall | 10.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 100 L | 129 L |
