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 5,300 cc (8 cylinders), 2003 Buick Rainier is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (296 HP @ 6200 RPM) has 10 more horse power than 2003 Buick Rainier. (286 HP @ 5200 RPM). In normal driving conditions, 2006 Audi A6 should accelerate faster than 2003 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Rainier weights approximately 390 kg more than 2006 Audi A6.
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, 2003 Buick Rainier (441 Nm @ 4000 RPM) has 40 more torque (in Nm) than 2006 Audi A6. (401 Nm @ 3000 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 | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5300 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 296 HP | 286 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 401 Nm | 441 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1815 kg | 2205 kg |
| Vehicle Length | 4840 mm | 4920 mm |
| Vehicle Width | 1860 mm | 1920 mm |
| Vehicle Height | 1460 mm | 1900 mm |
| Wheelbase Size | 2770 mm | 2880 mm |
