2003 Opel Signum vs. 1968 Opel GT
To start off, 2003 Opel Signum is newer by 35 year(s). Which means there will be less support and parts availability for 1968 Opel GT. In addition, the cost of maintenance, including insurance, on 1968 Opel GT would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 5500 RPM) has 117 more horse power than 1968 Opel GT. (58 HP @ 5200 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 1968 Opel GT. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 705 kg more than 1968 Opel GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1968 Opel GT 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 GT. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 283 more torque (in Nm) than 1968 Opel GT. (87 Nm @ 3800 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1968 Opel GT.
Compare all specifications:
| 2003 Opel Signum | 1968 Opel GT | |
| Make | Opel | Opel |
| Model | Signum | GT |
| Year Released | 2003 | 1968 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1078 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 58 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 370 Nm | 87 Nm |
| Torque RPM | 1900 RPM | 3800 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1575 kg | 870 kg |
| Vehicle Length | 4640 mm | 4120 mm |
| Vehicle Width | 1800 mm | 1590 mm |
| Vehicle Height | 1470 mm | 1230 mm |
| Wheelbase Size | 2840 mm | 2440 mm |
