2004 Audi A8 vs. 1986 BMW M6
To start off, 2004 Audi A8 is newer by 18 year(s). Which means there will be less support and parts availability for 1986 BMW M6. In addition, the cost of maintenance, including insurance, on 1986 BMW M6 would be higher. At 3,935 cc (8 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 1986 BMW M6 (282 HP @ 6500 RPM) has 11 more horse power than 2004 Audi A8. (271 HP @ 3750 RPM) In normal driving conditions, 1986 BMW M6 should accelerate faster than 2004 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 435 kg more than 1986 BMW M6.
Because 2004 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 1986 BMW M6. In wet, icy, snow, or gravel driving conditions, 2004 Audi A8 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, 2004 Audi A8 (650 Nm @ 1800 RPM) has 315 more torque (in Nm) than 1986 BMW M6. (335 Nm @ 4500 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW M6. 2004 Audi A8 has automatic transmission and 1986 BMW M6 has manual transmission. 1986 BMW M6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A8 | 1986 BMW M6 | |
| Make | Audi | BMW |
| Model | A8 | M6 |
| Year Released | 2004 | 1986 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3935 cc | 3453 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 282 HP |
| Engine RPM | 3750 RPM | 6500 RPM |
| Torque | 650 Nm | 335 Nm |
| Torque RPM | 1800 RPM | 4500 RPM |
| Engine Bore Size | 81 mm | 93.4 mm |
| Engine Stroke Size | 95.5 mm | 84 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 1505 kg |
| Vehicle Length | 5060 mm | 4760 mm |
| Vehicle Width | 1900 mm | 1730 mm |
| Vehicle Height | 1450 mm | 1360 mm |
| Wheelbase Size | 2950 mm | 2630 mm |
| Fuel Tank Capacity | 90 L | 70 L |
