2005 BMW Z4 vs. 1986 BMW M6
To start off, 2005 BMW Z4 is newer by 19 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 3,453 cc (6 cylinders), 1986 BMW M6 is equipped with a bigger engine. In terms of performance, 1986 BMW M6 (282 HP @ 6500 RPM) has 114 more horse power than 2005 BMW Z4. (168 HP @ 6250 RPM) In normal driving conditions, 1986 BMW M6 should accelerate faster than 2005 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW M6 weights approximately 180 kg more than 2005 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1986 BMW M6 (335 Nm @ 4500 RPM) has 125 more torque (in Nm) than 2005 BMW Z4. (210 Nm @ 3500 RPM). This means 1986 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW Z4.
Compare all specifications:
| 2005 BMW Z4 | 1986 BMW M6 | |
| Make | BMW | BMW |
| Model | Z4 | M6 |
| Year Released | 2005 | 1986 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 3453 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 282 HP |
| Engine RPM | 6250 RPM | 6500 RPM |
| Torque | 210 Nm | 335 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 80 mm | 93.4 mm |
| Engine Stroke Size | 72 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1325 kg | 1505 kg |
| Vehicle Length | 4100 mm | 4760 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1310 mm | 1360 mm |
| Wheelbase Size | 2500 mm | 2630 mm |
| Fuel Tank Capacity | 55 L | 70 L |
