2006 BMW 630 vs. 1985 Mercedes-Benz 420
To start off, 2006 BMW 630 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, 2006 BMW 630 (254 HP @ 6600 RPM) has 35 more horse power than 1985 Mercedes-Benz 420. (219 HP @ 5200 RPM). In normal driving conditions, 2006 BMW 630 should accelerate faster than 1985 Mercedes-Benz 420. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 630 weights approximately 160 kg more than 1985 Mercedes-Benz 420. 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 29 more torque (in Nm) than 2006 BMW 630. (300 Nm @ 2500 RPM). This means 1985 Mercedes-Benz 420 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 630.
Compare all specifications:
| 2006 BMW 630 | 1985 Mercedes-Benz 420 | |
| Make | BMW | Mercedes-Benz |
| Model | 630 | 420 |
| Year Released | 2006 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 4196 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 254 HP | 219 HP |
| Engine RPM | 6600 RPM | 5200 RPM |
| Torque | 300 Nm | 329 Nm |
| Torque RPM | 2500 RPM | 3750 RPM |
| Engine Bore Size | 85 mm | 92 mm |
| Engine Stroke Size | 88 mm | 78.9 mm |
| Engine Compression Ratio | 10.7:1 | 9.0:1 |
| Top Speed | 250 km/hour | 214 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 9 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1760 kg | 1600 kg |
| Vehicle Length | 4830 mm | 4400 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1300 mm |
| Wheelbase Size | 2790 mm | 2460 mm |
