2006 Audi A6 vs. 2003 Buick Rainier
To start off, 2006 Audi A6 is newer by 3 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 16 more horse power than 2006 Audi A6. (255 HP @ 6500 RPM) In normal driving conditions, 2003 Buick Rainier should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Rainier weights approximately 590 kg more than 2006 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A6. In wet, icy, snow, or gravel driving conditions, 2003 Buick Rainier 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, 2003 Buick Rainier (373 Nm @ 3600 RPM) has 43 more torque (in Nm) than 2006 Audi A6. (330 Nm @ 3250 RPM). This means 2003 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 2006 Audi A6 | 2003 Buick Rainier | |
| Make | Audi | Buick |
| Model | A6 | Rainier |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 3130 cc | 4195 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 255 HP | 271 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 330 Nm | 373 Nm |
| Torque RPM | 3250 RPM | 3600 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 92.8 mm | 102 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 2100 kg |
| Vehicle Length | 4920 mm | 4920 mm |
| Vehicle Width | 2020 mm | 1920 mm |
| Vehicle Height | 1470 mm | 1900 mm |
| Wheelbase Size | 2850 mm | 2880 mm |
| Fuel Tank Capacity | 80 L | 83 L |
