2008 Audi A8 vs. 2009 GMC Acadia
To start off, 2009 GMC Acadia is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A8. In addition, the cost of maintenance, including insurance, on 2008 Audi A8 would be higher. At 4,171 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (330 HP @ 6500 RPM) has 42 more horse power than 2009 GMC Acadia. (288 HP @ 6300 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2009 GMC Acadia. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Acadia weights approximately 286 kg more than 2008 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, 2008 Audi A8 (430 Nm @ 3500 RPM) has 64 more torque (in Nm) than 2009 GMC Acadia. (366 Nm @ 3400 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 GMC Acadia.
Compare all specifications:
| 2008 Audi A8 | 2009 GMC Acadia | |
| Make | Audi | GMC |
| Model | A8 | Acadia |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4171 cc | 3598 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 288 HP |
| Engine RPM | 6500 RPM | 6300 RPM |
| Torque | 430 Nm | 366 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Engine Bore Size | 84.5 mm | 96 mm |
| Engine Stroke Size | 93 mm | 83.1 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1855 kg | 2141 kg |
| Vehicle Length | 5060 mm | 5100 mm |
| Vehicle Width | 1900 mm | 1990 mm |
| Vehicle Height | 1450 mm | 1780 mm |
| Wheelbase Size | 2950 mm | 3030 mm |
| Fuel Consumption Overall | 11.9 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 90 L | 83 L |
