1995 Audi A6 vs. 2006 BMW 645
To start off, 2006 BMW 645 is newer by 11 year(s). Which means there will be less support and parts availability for 1995 Audi A6. In addition, the cost of maintenance, including insurance, on 1995 Audi A6 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 42 more horse power than 1995 Audi A6. (286 HP @ 5800 RPM) In normal driving conditions, 2006 BMW 645 should accelerate faster than 1995 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 91 kg more than 1995 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1995 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 1995 Audi A6 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 50 more torque (in Nm) than 1995 Audi A6. (400 Nm @ 4000 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 1995 Audi A6.
Compare all specifications:
| 1995 Audi A6 | 2006 BMW 645 | |
| Make | Audi | BMW |
| Model | A6 | 645 |
| Year Released | 1995 | 2006 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4398 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 286 HP | 328 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 400 Nm | 450 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1745 kg | 1836 kg |
| Vehicle Length | 4800 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1380 mm |
| Wheelbase Size | 2760 mm | 2790 mm |
