2005 Audi RS6 vs. 2009 GMC Acadia
To start off, 2009 GMC Acadia is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi RS6. In addition, the cost of maintenance, including insurance, on 2005 Audi RS6 would be higher. At 4,172 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 5700 RPM) has 156 more horse power than 2009 GMC Acadia. (288 HP @ 6300 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2009 GMC Acadia. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Acadia weights approximately 570 kg more than 2005 Audi RS6.
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, 2005 Audi RS6 (580 Nm @ 1950 RPM) has 214 more torque (in Nm) than 2009 GMC Acadia. (366 Nm @ 3400 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2009 GMC Acadia.
Compare all specifications:
| 2005 Audi RS6 | 2009 GMC Acadia | |
| Make | Audi | GMC |
| Model | RS6 | Acadia |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 288 HP |
| Engine RPM | 5700 RPM | 6300 RPM |
| Torque | 580 Nm | 366 Nm |
| Torque RPM | 1950 RPM | 3400 RPM |
| Engine Compression Ratio | 9.0:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1865 kg | 2435 kg |
| Vehicle Length | 4840 mm | 5100 mm |
| Vehicle Width | 1860 mm | 1990 mm |
| Vehicle Height | 1400 mm | 1780 mm |
| Wheelbase Size | 2760 mm | 3030 mm |
| Fuel Consumption Overall | 14.6 L/100km | 12.5 L/100km |
| Fuel Tank Capacity | 82 L | 83 L |
