2003 Opel Signum vs. 1989 TVR Speed Eight
To start off, 2003 Opel Signum is newer by 14 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 51 more horse power than 2003 Opel Signum. (174 HP @ 4000 RPM) In normal driving conditions, 1989 TVR Speed Eight should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 575 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, 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 30 more torque (in Nm) than 1989 TVR Speed Eight. (340 Nm @ 3500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1989 TVR Speed Eight. 2003 Opel Signum has automatic transmission and 1989 TVR Speed Eight has manual transmission. 1989 TVR Speed Eight will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Signum | 1989 TVR Speed Eight | |
| Make | Opel | TVR |
| Model | Signum | Speed Eight |
| Year Released | 2003 | 1989 |
| Engine Position | Front | Middle |
| Engine Size | 2958 cc | 3947 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 174 HP | 225 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 370 Nm | 340 Nm |
| Torque RPM | 1900 RPM | 3500 RPM |
| Engine Bore Size | 87.6 mm | 94 mm |
| Engine Stroke Size | 82 mm | 71.1 mm |
| Engine Compression Ratio | 18.5:1 | 9.8:1 |
| Acceleration 0-100mph | 9.9 seconds | 7.3 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1695 kg | 1120 kg |
| Vehicle Length | 4640 mm | 4110 mm |
| Vehicle Width | 1800 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1220 mm |
| Wheelbase Size | 2710 mm | 2470 mm |
| Fuel Tank Capacity | 60 L | 61 L |
