1973 Austin Allegro vs. 2001 Opel Signum
To start off, 2001 Opel Signum is newer by 28 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 2,171 cc (4 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Opel Signum (125 HP @ 3250 RPM) has 77 more horse power than 1973 Austin Allegro. (48 HP @ 5250 RPM) In normal driving conditions, 2001 Opel Signum should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 810 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, 2001 Opel Signum (280 Nm @ 1500 RPM) has 199 more torque (in Nm) than 1973 Austin Allegro. (81 Nm @ 2450 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro. 2001 Opel Signum has automatic transmission and 1973 Austin Allegro has manual transmission. 1973 Austin Allegro will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Austin Allegro | 2001 Opel Signum | |
| Make | Austin | Opel |
| Model | Allegro | Signum |
| Year Released | 1973 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 48 HP | 125 HP |
| Engine RPM | 5250 RPM | 3250 RPM |
| Torque | 81 Nm | 280 Nm |
| Torque RPM | 2450 RPM | 1500 RPM |
| Engine Compression Ratio | 8.5:1 | 18.5:1 |
| Top Speed | 134 km/hour | 201 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 800 kg | 1610 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 |
