1973 Austin Allegro vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 32 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 1,796 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (122 HP @ 5600 RPM) has 64 more horse power than 1973 Austin Allegro. (58 HP @ 5300 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 540 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, 2005 Opel Vectra (170 Nm @ 3800 RPM) has 77 more torque (in Nm) than 1973 Austin Allegro. (93 Nm @ 3000 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro.
Compare all specifications:
| 1973 Austin Allegro | 2005 Opel Vectra | |
| Make | Austin | Opel |
| Model | Allegro | Vectra |
| Year Released | 1973 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1275 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 58 HP | 122 HP |
| Engine RPM | 5300 RPM | 5600 RPM |
| Torque | 93 Nm | 170 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 70.6 mm | 80.5 mm |
| Engine Stroke Size | 81.3 mm | 88.2 mm |
| Engine Compression Ratio | 8.8:1 | 10.5:1 |
| Top Speed | 135 km/hour | 208 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 820 kg | 1360 kg |
| Vehicle Length | 3860 mm | 4500 mm |
| Vehicle Width | 1620 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2450 mm |
| Fuel Tank Capacity | 47 L | 60 L |
