2009 Audi A8 vs. 2008 GMC Acadia
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 Acadia. In addition, the cost of maintenance, including insurance, on 2008 GMC Acadia would be higher. At 3,600 cc (6 cylinders), 2008 GMC Acadia is equipped with a bigger engine. In terms of performance, 2008 GMC Acadia (276 HP @ 6600 RPM) has 46 more horse power than 2009 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2008 GMC Acadia should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Acadia weights approximately 1211 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 Acadia. 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 110 more torque (in Nm) than 2008 GMC Acadia. (340 Nm @ 3200 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2008 GMC Acadia.
Compare all specifications:
| 2009 Audi A8 | 2008 GMC Acadia | |
| Make | Audi | GMC |
| Model | A8 | Acadia |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 276 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 450 Nm | 340 Nm |
| Torque RPM | 1400 RPM | 3200 RPM |
| Engine Compression Ratio | 17.0:1 | 10.2:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 8 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 930 kg | 2141 kg |
| Vehicle Length | 5190 mm | 5110 mm |
| Vehicle Width | 1900 mm | 2010 mm |
| Vehicle Height | 1450 mm | 1860 mm |
| Wheelbase Size | 3080 mm | 3030 mm |
| Fuel Consumption Overall | 8.4 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 90 L | 83 L |
