2009 Audi A8 vs. 2005 Buick Rainier
To start off, 2009 Audi A8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2005 Buick Rainier would be higher. At 4,163 cc (6 cylinders), 2005 Buick Rainier is equipped with a bigger engine. In terms of performance, 2005 Buick Rainier (275 HP @ 5200 RPM) has 45 more horse power than 2009 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2005 Buick Rainier should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Rainier weights approximately 1157 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.
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, 2009 Audi A8 (450 Nm) has 76 more torque (in Nm) than 2005 Buick Rainier. (374 Nm). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Buick Rainier.
Compare all specifications:
| 2009 Audi A8 | 2005 Buick Rainier | |
| Make | Audi | Buick |
| Model | A8 | Rainier |
| Year Released | 2009 | 2005 |
| 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 | 4 valves |
| Horse Power | 230 HP | 275 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 450 Nm | 374 Nm |
| Engine Bore Size | 83 mm | 93 mm |
| Engine Stroke Size | 91.4 mm | 102 mm |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 930 kg | 2087 kg |
| Vehicle Length | 5190 mm | 4920 mm |
| Vehicle Width | 1900 mm | 1920 mm |
| Vehicle Height | 1450 mm | 1900 mm |
| Wheelbase Size | 3080 mm | 2740 mm |
| Fuel Consumption Overall | 8.4 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 90 L | 83 L |
