2008 Audi A8 vs. 2003 Buick Rainier
To start off, 2008 Audi A8 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2003 Buick Rainier would be higher. At 4,195 cc (6 cylinders), 2003 Buick Rainier is equipped with a bigger engine. In terms of performance, 2003 Buick Rainier (271 HP @ 6000 RPM) has 41 more horse power than 2008 Audi A8. (230 HP @ 4000 RPM) In normal driving conditions, 2003 Buick Rainier should accelerate faster than 2008 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Rainier weights approximately 264 kg more than 2008 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, 2008 Audi A8 (450 Nm @ 1400 RPM) has 77 more torque (in Nm) than 2003 Buick Rainier. (373 Nm @ 3600 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Rainier.
Compare all specifications:
| 2008 Audi A8 | 2003 Buick Rainier | |
| Make | Audi | Buick |
| Model | A8 | Rainier |
| Year Released | 2008 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 4195 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 271 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 450 Nm | 373 Nm |
| Torque RPM | 1400 RPM | 3600 RPM |
| Engine Bore Size | 83 mm | 93 mm |
| Engine Stroke Size | 91.4 mm | 102 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1836 kg | 2100 kg |
| Vehicle Length | 5060 mm | 4920 mm |
| Vehicle Width | 1900 mm | 1920 mm |
| Vehicle Height | 1450 mm | 1900 mm |
| Wheelbase Size | 2950 mm | 2880 mm |
| Fuel Tank Capacity | 90 L | 83 L |
