1976 Alfa Romeo Navajo vs. 1968 Opel Diplomat
To start off, 1976 Alfa Romeo Navajo is newer by 8 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, 1976 Alfa Romeo Navajo (228 HP @ 8800 RPM) has 1 more horse power than 1968 Opel Diplomat. (227 HP @ 4700 RPM). In normal driving conditions, 1976 Alfa Romeo Navajo should accelerate faster than 1968 Opel Diplomat. With that said, vehicle weight also plays an important factor in acceleration. 1968 Opel Diplomat weights approximately 820 kg more than 1976 Alfa Romeo Navajo.
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 121 more torque (in Nm) than 1976 Alfa Romeo Navajo. (306 Nm @ 7000 RPM). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 1976 Alfa Romeo Navajo. 1968 Opel Diplomat has automatic transmission and 1976 Alfa Romeo Navajo has manual transmission. 1976 Alfa Romeo Navajo 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:
| 1976 Alfa Romeo Navajo | 1968 Opel Diplomat | |
| Make | Alfa Romeo | Opel |
| Model | Navajo | Diplomat |
| Year Released | 1976 | 1968 |
| Engine Position | Middle | Front |
| Engine Size | 1995 cc | 5354 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 228 HP | 227 HP |
| Engine RPM | 8800 RPM | 4700 RPM |
| Torque | 306 Nm | 427 Nm |
| Torque RPM | 7000 RPM | 3000 RPM |
| Engine Bore Size | 78 mm | 101.6 mm |
| Engine Stroke Size | 52.2 mm | 82.6 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 870 kg | 1690 kg |
| Vehicle Length | 3810 mm | 4960 mm |
| Vehicle Width | 1870 mm | 1910 mm |
| Vehicle Height | 1060 mm | 1450 mm |
| Wheelbase Size | 2440 mm | 2850 mm |
