1973 Austin Allegro vs. 2002 Smart ForFour
To start off, 2002 Smart ForFour is newer by 29 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 1,124 cc (3 cylinders), 2002 Smart ForFour is equipped with a bigger engine. In terms of performance, 2002 Smart ForFour (74 HP @ 6000 RPM) has 26 more horse power than 1973 Austin Allegro. (48 HP @ 5250 RPM) In normal driving conditions, 2002 Smart ForFour should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2002 Smart ForFour weights approximately 166 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, 2002 Smart ForFour (100 Nm @ 3500 RPM) has 19 more torque (in Nm) than 1973 Austin Allegro. (81 Nm @ 2450 RPM). This means 2002 Smart ForFour will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro. 2002 Smart ForFour 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. 2002 Smart ForFour will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1973 Austin Allegro | 2002 Smart ForFour | |
| Make | Austin | Smart |
| Model | Allegro | ForFour |
| Year Released | 1973 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 1124 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 48 HP | 74 HP |
| Engine RPM | 5250 RPM | 6000 RPM |
| Torque | 81 Nm | 100 Nm |
| Torque RPM | 2450 RPM | 3500 RPM |
| Engine Bore Size | 64.6 mm | 75.5 mm |
| Engine Stroke Size | 83.7 mm | 84.8 mm |
| Engine Compression Ratio | 8.5:1 | 10.5:1 |
| Top Speed | 134 km/hour | 165 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 800 kg | 966 kg |
| Vehicle Length | 3860 mm | 3760 mm |
| Vehicle Width | 1620 mm | 1690 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2440 mm | 2510 mm |
