2009 Audi S8 vs. 2007 Buick Rainier
To start off, 2009 Audi S8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2007 Buick Rainier would be higher. At 5,204 cc (10 cylinders), 2009 Audi S8 is equipped with a bigger engine. In terms of performance, 2009 Audi S8 (450 HP @ 7000 RPM) has 158 more horse power than 2007 Buick Rainier. (292 HP @ 6000 RPM). In normal driving conditions, 2009 Audi S8 should accelerate faster than 2007 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2007 Buick Rainier weights approximately 375 kg more than 2009 Audi S8.
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 S8 (540 Nm @ 3500 RPM) has 164 more torque (in Nm) than 2007 Buick Rainier. (376 Nm @ 4800 RPM). This means 2009 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2007 Buick Rainier.
Compare all specifications:
| 2009 Audi S8 | 2007 Buick Rainier | |
| Make | Audi | Buick |
| Model | S8 | Rainier |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 4162 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 292 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 540 Nm | 376 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1175 kg | 1550 kg |
| Vehicle Length | 5070 mm | 4920 mm |
| Vehicle Width | 1900 mm | 1920 mm |
| Vehicle Height | 1430 mm | 1900 mm |
| Wheelbase Size | 2950 mm | 2880 mm |
| Fuel Consumption Highway | 12.4 L/100km | 11.2 L/100km |
| Fuel Consumption City | 18.2 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 15.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 83 L |
