1954 Alvis TC 21 vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 54 year(s). Which means there will be less support and parts availability for 1954 Alvis TC 21. In addition, the cost of maintenance, including insurance, on 1954 Alvis TC 21 would be higher. At 2,993 cc (6 cylinders), 1954 Alvis TC 21 is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (153 HP @ 5600 RPM) has 53 more horse power than 1954 Alvis TC 21. (100 HP @ 4000 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 1954 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 95 kg more than 1954 Alvis TC 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1954 Alvis TC 21 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 1954 Alvis TC 21. 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, 1954 Alvis TC 21 (221 Nm @ 2000 RPM) has 1 more torque (in Nm) than 2008 Opel Signum. (220 Nm @ 3800 RPM). This means 1954 Alvis TC 21 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Signum.
Compare all specifications:
| 1954 Alvis TC 21 | 2008 Opel Signum | |
| Make | Alvis | Opel |
| Model | TC 21 | Signum |
| Year Released | 1954 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2197 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 100 HP | 153 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 221 Nm | 220 Nm |
| Torque RPM | 2000 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 94.6 mm |
| Engine Compression Ratio | 8.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 160 km/hour | 211 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 | 1440 kg | 1535 kg |
| Vehicle Length | 4630 mm | 4640 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Vehicle Height | 1580 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2840 mm |
| Fuel Tank Capacity | 64 L | 60 L |
