2001 AC Cobra vs. 1968 Opel Diplomat
To start off, 2001 AC Cobra is newer by 33 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, 2001 AC Cobra (350 HP @ 6500 RPM) has 123 more horse power than 1968 Opel Diplomat. (227 HP @ 4700 RPM). In normal driving conditions, 2001 AC Cobra should accelerate faster than 1968 Opel Diplomat. With that said, vehicle weight also plays an important factor in acceleration. 1968 Opel Diplomat weights approximately 630 kg more than 2001 AC Cobra.
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 27 more torque (in Nm) than 2001 AC Cobra. (400 Nm @ 4000 RPM). This means 1968 Opel Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2001 AC Cobra. 1968 Opel Diplomat has automatic transmission and 2001 AC Cobra has manual transmission. 2001 AC Cobra 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:
| 2001 AC Cobra | 1968 Opel Diplomat | |
| Make | AC | Opel |
| Model | Cobra | Diplomat |
| Year Released | 2001 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 3506 cc | 5354 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 350 HP | 227 HP |
| Engine RPM | 6500 RPM | 4700 RPM |
| Torque | 400 Nm | 427 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 101.6 mm |
| Engine Stroke Size | 81 mm | 82.6 mm |
| Engine Compression Ratio | 8.0:1 | 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 | 1060 kg | 1690 kg |
| Vehicle Length | 4210 mm | 4960 mm |
| Vehicle Width | 1750 mm | 1910 mm |
| Vehicle Height | 1210 mm | 1450 mm |
| Wheelbase Size | 2300 mm | 2850 mm |
