2007 Mercedes-Benz C vs. 1968 Opel Diplomat
To start off, 2007 Mercedes-Benz C is newer by 39 year(s). Which means there will be less support and parts availability for 1968 Opel Diplomat. In addition, the cost of maintenance, including insurance, on 1968 Opel Diplomat would be higher. At 5,354 cc (8 cylinders), 1968 Opel Diplomat is equipped with a bigger engine. In terms of performance, 1968 Opel Diplomat (227 HP @ 4700 RPM) has 79 more horse power than 2007 Mercedes-Benz C. (148 HP @ 4200 RPM) In normal driving conditions, 1968 Opel Diplomat should accelerate faster than 2007 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 1968 Opel Diplomat weights approximately 155 kg more than 2007 Mercedes-Benz C. 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, 1968 Opel Diplomat (427 Nm @ 3000 RPM) has 87 more torque (in Nm) than 2007 Mercedes-Benz C. (340 Nm @ 1400 RPM). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz C.
Compare all specifications:
| 2007 Mercedes-Benz C | 1968 Opel Diplomat | |
| Make | Mercedes-Benz | Opel |
| Model | C | Diplomat |
| Year Released | 2007 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 2146 cc | 5354 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 148 HP | 227 HP |
| Engine RPM | 4200 RPM | 4700 RPM |
| Torque | 340 Nm | 427 Nm |
| Torque RPM | 1400 RPM | 3000 RPM |
| Engine Bore Size | 88 mm | 101.6 mm |
| Engine Stroke Size | 88.3 mm | 82.6 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Top Speed | 224 km/hour | 202 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 10.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1690 kg |
| Vehicle Length | 4550 mm | 4960 mm |
| Vehicle Width | 1470 mm | 1910 mm |
| Vehicle Height | 1730 mm | 1450 mm |
| Wheelbase Size | 2720 mm | 2850 mm |
| Fuel Tank Capacity | 62 L | 80 L |
