2004 Opel Signum vs. 1989 TVR Speed Eight
To start off, 2004 Opel Signum is newer by 15 year(s). Which means there will be less support and parts availability for 1989 TVR Speed Eight. In addition, the cost of maintenance, including insurance, on 1989 TVR Speed Eight would be higher. At 3,947 cc (8 cylinders), 1989 TVR Speed Eight is equipped with a bigger engine. In terms of performance, 1989 TVR Speed Eight (225 HP @ 5200 RPM) has 52 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 1989 TVR Speed Eight should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 440 kg more than 1989 TVR Speed Eight.
Because 1989 TVR Speed Eight 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 1989 TVR Speed Eight. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 1989 TVR Speed Eight (340 Nm @ 3500 RPM) has 75 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 1989 TVR Speed Eight will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 1989 TVR Speed Eight | |
| Make | Opel | TVR |
| Model | Signum | Speed Eight |
| Year Released | 2004 | 1989 |
| Engine Position | Front | Middle |
| Engine Size | 1995 cc | 3947 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 173 HP | 225 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 265 Nm | 340 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 94 mm |
| Engine Stroke Size | 86 mm | 71.1 mm |
| Engine Compression Ratio | 9.5:1 | 9.8:1 |
| Top Speed | 220 km/hour | 230 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1120 kg |
| Vehicle Length | 4640 mm | 4110 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1220 mm |
| Wheelbase Size | 2840 mm | 2470 mm |
| Fuel Tank Capacity | 60 L | 61 L |
