2006 BMW Z4 vs. 1985 Mercedes-Benz 420
To start off, 2006 BMW Z4 is newer by 21 year(s). Which means there will be less support and parts availability for 1985 Mercedes-Benz 420. In addition, the cost of maintenance, including insurance, on 1985 Mercedes-Benz 420 would be higher. At 4,196 cc (8 cylinders), 1985 Mercedes-Benz 420 is equipped with a bigger engine. In terms of performance, 1985 Mercedes-Benz 420 (218 HP @ 5200 RPM) has 29 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 1985 Mercedes-Benz 420 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 1985 Mercedes-Benz 420 weights approximately 265 kg more than 2006 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, 1985 Mercedes-Benz 420 (329 Nm @ 3750 RPM) has 84 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 1985 Mercedes-Benz 420 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2006 BMW Z4 | 1985 Mercedes-Benz 420 | |
| Make | BMW | Mercedes-Benz |
| Model | Z4 | 420 |
| Year Released | 2006 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4196 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 189 HP | 218 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 245 Nm | 329 Nm |
| Torque RPM | 3500 RPM | 3750 RPM |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Top Speed | 235 km/hour | 212 km/hour |
| Acceleration 0-100mph | 7 seconds | 9 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1335 kg | 1600 kg |
| Vehicle Length | 4100 mm | 5070 mm |
| Vehicle Width | 1790 mm | 1840 mm |
| Vehicle Height | 1310 mm | 1420 mm |
| Wheelbase Size | 2500 mm | 2850 mm |
