1999 Audi A6 vs. 2007 BMW 545
To start off, 2007 BMW 545 is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Audi A6. In addition, the cost of maintenance, including insurance, on 1999 Audi A6 would be higher. At 4,397 cc (8 cylinders), 2007 BMW 545 is equipped with a bigger engine. In terms of performance, 2007 BMW 545 (328 HP @ 6100 RPM) has 205 more horse power than 1999 Audi A6. (123 HP @ 5800 RPM) In normal driving conditions, 2007 BMW 545 should accelerate faster than 1999 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 545 weights approximately 530 kg more than 1999 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 545 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW 545. However, in wet, icy, snow, or gravel driving conditions, 1999 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 BMW 545 (450 Nm @ 3600 RPM) has 282 more torque (in Nm) than 1999 Audi A6. (168 Nm @ 3500 RPM). This means 2007 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A6.
Compare all specifications:
| 1999 Audi A6 | 2007 BMW 545 | |
| Make | Audi | BMW |
| Model | A6 | 545 |
| Year Released | 1999 | 2007 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 4397 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 123 HP | 328 HP |
| Engine RPM | 5800 RPM | 6100 RPM |
| Torque | 168 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1445 kg | 1975 kg |
| Vehicle Length | 4800 mm | 4850 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1500 mm |
| Wheelbase Size | 2760 mm | 2840 mm |
