2009 Audi Q7 vs. 2007 GMC Sierra
To start off, 2009 Audi Q7 is newer by 2 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 6,172 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (403 HP @ 5700 RPM) has 166 more horse power than 2009 Audi Q7. (237 HP @ 4000 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2009 Audi Q7. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 108 kg more than 2009 Audi Q7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 (565 Nm @ 4300 RPM) has 15 more torque (in Nm) than 2009 Audi Q7. (550 Nm @ 2000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi Q7.
Compare all specifications:
| 2009 Audi Q7 | 2007 GMC Sierra | |
| Make | Audi | GMC |
| Model | Q7 | Sierra |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 6172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 237 HP | 403 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 550 Nm | 565 Nm |
| Torque RPM | 2000 RPM | 4300 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2370 kg | 2478 kg |
| Vehicle Length | 5090 mm | 5850 mm |
| Vehicle Width | 1990 mm | 2040 mm |
| Vehicle Height | 1740 mm | 1880 mm |
| Wheelbase Size | 3010 mm | 3650 mm |
| Fuel Consumption Overall | 9.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 100 L | 98 L |
