2004 Audi A4 vs. 1987 BMW M6
To start off, 2004 Audi A4 is newer by 17 year(s). Which means there will be less support and parts availability for 1987 BMW M6. In addition, the cost of maintenance, including insurance, on 1987 BMW M6 would be higher. At 3,453 cc (6 cylinders), 1987 BMW M6 is equipped with a bigger engine. In terms of performance, 1987 BMW M6 (282 HP @ 6500 RPM) has 85 more horse power than 2004 Audi A4. (197 HP @ 5100 RPM) In normal driving conditions, 1987 BMW M6 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1987 BMW M6 weights approximately 15 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1987 BMW M6. In wet, icy, snow, or gravel driving conditions, 2004 Audi A4 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, 1987 BMW M6 (334 Nm @ 4500 RPM) has 54 more torque (in Nm) than 2004 Audi A4. (280 Nm @ 1800 RPM). This means 1987 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 1987 BMW M6 | |
| Make | Audi | BMW |
| Model | A4 | M6 |
| Year Released | 2004 | 1987 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 3453 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 282 HP |
| Engine RPM | 5100 RPM | 6500 RPM |
| Torque | 280 Nm | 334 Nm |
| Torque RPM | 1800 RPM | 4500 RPM |
| Engine Bore Size | 82.5 mm | 93.4 mm |
| Engine Stroke Size | 92.8 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1505 kg |
| Vehicle Length | 4590 mm | 4760 mm |
| Vehicle Width | 1780 mm | 1730 mm |
| Vehicle Height | 1430 mm | 1360 mm |
| Wheelbase Size | 2470 mm | 2630 mm |
| Fuel Tank Capacity | 63 L | 70 L |
