1968 Opel Diplomat vs. 1984 Renault 18
To start off, 1984 Renault 18 is newer by 16 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 120 more horse power than 1984 Renault 18. (107 HP @ 5500 RPM). In normal driving conditions, 1968 Opel Diplomat should accelerate faster than 1984 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 1968 Opel Diplomat weights approximately 555 kg more than 1984 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1968 Opel Diplomat is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1968 Opel Diplomat. However, in wet, icy, snow, or gravel driving conditions, 1984 Renault 18, being front wheel drive (FWD), will offer much better control with better grip. 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 263 more torque (in Nm) than 1984 Renault 18. (164 Nm @ 3250 RPM). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 1984 Renault 18.
Compare all specifications:
1968 Opel Diplomat | 1984 Renault 18 | |
Make | Opel | Renault |
Model | Diplomat | 18 |
Year Released | 1968 | 1984 |
Engine Position | Front | Front |
Engine Size | 5354 cc | 1995 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 227 HP | 107 HP |
Engine RPM | 4700 RPM | 5500 RPM |
Torque | 427 Nm | 164 Nm |
Torque RPM | 3000 RPM | 3250 RPM |
Engine Bore Size | 101.6 mm | 88 mm |
Engine Stroke Size | 82.6 mm | 82 mm |
Drive Type | Rear | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1690 kg | 1135 kg |
Vehicle Length | 4960 mm | 4410 mm |
Vehicle Width | 1910 mm | 1710 mm |
Vehicle Height | 1450 mm | 1410 mm |
Wheelbase Size | 2850 mm | 2470 mm |
Fuel Tank Capacity | 80 L | 53 L |