1968 Opel Diplomat vs. 1997 Porsche 993
To start off, 1997 Porsche 993 is newer by 29 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, 1997 Porsche 993 (282 HP @ 6100 RPM) has 55 more horse power than 1968 Opel Diplomat. (227 HP @ 4700 RPM) In normal driving conditions, 1997 Porsche 993 should accelerate faster than 1968 Opel Diplomat. With that said, vehicle weight also plays an important factor in acceleration. 1968 Opel Diplomat weights approximately 270 kg more than 1997 Porsche 993.
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 86 more torque (in Nm) than 1997 Porsche 993. (341 Nm @ 5250 RPM). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 1997 Porsche 993. 1968 Opel Diplomat has automatic transmission and 1997 Porsche 993 has manual transmission. 1997 Porsche 993 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1968 Opel Diplomat will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1968 Opel Diplomat | 1997 Porsche 993 | |
| Make | Opel | Porsche |
| Model | Diplomat | 993 |
| Year Released | 1968 | 1997 |
| Engine Position | Front | Rear |
| Engine Size | 5354 cc | 3589 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 227 HP | 282 HP |
| Engine RPM | 4700 RPM | 6100 RPM |
| Torque | 427 Nm | 341 Nm |
| Torque RPM | 3000 RPM | 5250 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1690 kg | 1420 kg |
| Vehicle Length | 4960 mm | 4250 mm |
| Vehicle Width | 1910 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1290 mm |
| Wheelbase Size | 2850 mm | 2280 mm |
