2008 Audi A8 vs. 2005 Buick Rainier
To start off, 2008 Audi A8 is newer by 3 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 5,996 cc, 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (444 HP @ 6200 RPM) has 168 more horse power than 2005 Buick Rainier. (276 HP @ 5200 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2005 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Rainier weights approximately 9 kg more than 2008 Audi A8.
Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Buick Rainier. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi A8 (580 Nm) has 193 more torque (in Nm) than 2005 Buick Rainier. (387 Nm). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Buick Rainier.
Compare all specifications:
| 2008 Audi A8 | 2005 Buick Rainier | |
| Make | Audi | Buick |
| Model | A8 | Rainier |
| Year Released | 2008 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5996 cc | 4163 cc |
| Engine Type | W | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 276 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 580 Nm | 387 Nm |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 90.2 mm | 102 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1995 kg | 2004 kg |
| Vehicle Length | 5070 mm | 4920 mm |
| Vehicle Width | 1900 mm | 1920 mm |
| Vehicle Height | 1450 mm | 1900 mm |
| Wheelbase Size | 3080 mm | 2900 mm |
| Fuel Consumption Overall | 13.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 83 L |
