2009 Audi A8 vs. 2008 GMC Envoy
To start off, 2009 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 GMC Envoy. In addition, the cost of maintenance, including insurance, on 2008 GMC Envoy would be higher. At 4,163 cc (6 cylinders), 2008 GMC Envoy is equipped with a bigger engine. In terms of performance, 2008 GMC Envoy (285 HP @ 6000 RPM) has 55 more horse power than 2009 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2008 GMC Envoy should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Envoy weights approximately 1683 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 GMC Envoy. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A8 (450 Nm @ 1400 RPM) has 76 more torque (in Nm) than 2008 GMC Envoy. (374 Nm @ 4000 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 GMC Envoy.
Compare all specifications:
| 2009 Audi A8 | 2008 GMC Envoy | |
| Make | Audi | GMC |
| Model | A8 | Envoy |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 230 HP | 285 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 450 Nm | 374 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 83 mm | 93.1 mm |
| Engine Stroke Size | 91.4 mm | 101.9 mm |
| Engine Compression Ratio | 17.0:1 | 10.3:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 930 kg | 2613 kg |
| Vehicle Length | 5190 mm | 4870 mm |
| Vehicle Width | 1900 mm | 1900 mm |
| Vehicle Height | 1450 mm | 1830 mm |
| Wheelbase Size | 3080 mm | 2880 mm |
| Fuel Consumption Overall | 8.4 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 83 L |
