2005 Audi A6 vs. 1998 BMW M
To start off, 2005 Audi A6 is newer by 7 year(s). Which means there will be less support and parts availability for 1998 BMW M. In addition, the cost of maintenance, including insurance, on 1998 BMW M would be higher. At 3,246 cc (6 cylinders), 1998 BMW M is equipped with a bigger engine. In terms of performance, 1998 BMW M (328 HP @ 7400 RPM) has 81 more horse power than 2005 Audi A6. (247 HP @ 6300 RPM) In normal driving conditions, 1998 BMW M should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 355 kg more than 1998 BMW M.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1998 BMW M. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A6 (350 Nm @ 1800 RPM) has 10 more torque (in Nm) than 1998 BMW M. (340 Nm @ 3250 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW M.
Compare all specifications:
| 2005 Audi A6 | 1998 BMW M | |
| Make | Audi | BMW |
| Model | A6 | M |
| Year Released | 2005 | 1998 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 3246 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 247 HP | 328 HP |
| Engine RPM | 6300 RPM | 7400 RPM |
| Torque | 350 Nm | 340 Nm |
| Torque RPM | 1800 RPM | 3250 RPM |
| Engine Bore Size | 81 mm | 86.5 mm |
| Engine Stroke Size | 86 mm | 91 mm |
| Engine Compression Ratio | 18.0:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1805 kg | 1450 kg |
| Vehicle Length | 4800 mm | 4030 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1560 mm | 1310 mm |
| Wheelbase Size | 2770 mm | 2450 mm |
| Fuel Tank Capacity | 70 L | 51 L |
