1958 Alvis TD vs. 1999 Opel Signum
To start off, 1999 Opel Signum is newer by 41 year(s). Which means there will be less support and parts availability for 1958 Alvis TD. In addition, the cost of maintenance, including insurance, on 1958 Alvis TD would be higher. At 2,991 cc (6 cylinders), 1958 Alvis TD is equipped with a bigger engine. In terms of performance, 1958 Alvis TD (116 HP @ 4500 RPM) has 17 more horse power than 1999 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 1958 Alvis TD should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 170 kg more than 1958 Alvis TD.
Because 1958 Alvis TD 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 1958 Alvis TD. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 1999 Opel Signum (240 Nm @ 1500 RPM) has 19 more torque (in Nm) than 1958 Alvis TD. (221 Nm @ 2500 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1958 Alvis TD.
Compare all specifications:
| 1958 Alvis TD | 1999 Opel Signum | |
| Make | Alvis | Opel |
| Model | TD | Signum |
| Year Released | 1958 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2991 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 116 HP | 99 HP |
| Engine RPM | 4500 RPM | 3120 RPM |
| Torque | 221 Nm | 240 Nm |
| Torque RPM | 2500 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 8.5:1 | 18.5:1 |
| Top Speed | 169 km/hour | 185 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1425 kg | 1595 kg |
| Vehicle Length | 4800 mm | 4640 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1530 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2840 mm |
| Fuel Tank Capacity | 64 L | 60 L |
