1973 Austin Allegro vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 33 year(s). Which means there will be less support and parts availability for 1973 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1973 Austin Allegro would be higher. At 1,998 cc (4 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (173 HP @ 5500 RPM) has 125 more horse power than 1973 Austin Allegro. (48 HP @ 5250 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 760 kg more than 1973 Austin Allegro. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2006 Opel Signum (266 Nm @ 2500 RPM) has 185 more torque (in Nm) than 1973 Austin Allegro. (81 Nm @ 2450 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro.
Compare all specifications:
| 1973 Austin Allegro | 2006 Opel Signum | |
| Make | Austin | Opel |
| Model | Allegro | Signum |
| Year Released | 1973 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 48 HP | 173 HP |
| Engine RPM | 5250 RPM | 5500 RPM |
| Torque | 81 Nm | 266 Nm |
| Torque RPM | 2450 RPM | 2500 RPM |
| Engine Bore Size | 64.6 mm | 86 mm |
| Engine Stroke Size | 83.7 mm | 86 mm |
| Top Speed | 134 km/hour | 220 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 800 kg | 1560 kg |
| Vehicle Length | 3860 mm | 4640 mm |
| Vehicle Width | 1620 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2840 mm |
| Fuel Tank Capacity | 47 L | 60 L |
