1966 AC Cobra vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 42 year(s). Which means there will be less support and parts availability for 1966 AC Cobra. In addition, the cost of maintenance, including insurance, on 1966 AC Cobra would be higher. At 6,997 cc (8 cylinders), 1966 AC Cobra is equipped with a bigger engine. In terms of performance, 1966 AC Cobra (410 HP @ 6000 RPM) has 235 more horse power than 2008 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 1966 AC Cobra should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 523 kg more than 1966 AC Cobra.
Because 1966 AC Cobra 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 1966 AC Cobra. However, in wet, icy, snow, or gravel driving conditions, 2008 Opel Signum, 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, 1966 AC Cobra (651 Nm @ 3700 RPM) has 281 more torque (in Nm) than 2008 Opel Signum. (370 Nm @ 1900 RPM). This means 1966 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
| 1966 AC Cobra | 2008 Opel Signum | |
| Make | AC | Opel |
| Model | Cobra | Signum |
| Year Released | 1966 | 2008 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 2957 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 410 HP | 175 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 651 Nm | 370 Nm |
| Torque RPM | 3700 RPM | 1900 RPM |
| Engine Bore Size | 107.7 mm | 87.5 mm |
| Engine Stroke Size | 96 mm | 82 mm |
| Engine Compression Ratio | 11.5:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 266 km/hour | 221 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1147 kg | 1670 kg |
| Vehicle Length | 3970 mm | 4640 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1250 mm | 1470 mm |
| Wheelbase Size | 2290 mm | 2840 mm |
| Fuel Tank Capacity | 68 L | 60 L |
