1973 Austin Allegro vs. 1973 Fiat 128
To start off, both 1973 Austin Allegro and 1973 Fiat 128 were released in the same year (1973). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,116 cc (4 cylinders), 1973 Fiat 128 is equipped with a bigger engine. In terms of performance, 1973 Fiat 128 (63 HP @ 6000 RPM) has 15 more horse power than 1973 Austin Allegro. (48 HP @ 5250 RPM) In normal driving conditions, 1973 Fiat 128 should accelerate faster than 1973 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 1973 Fiat 128 weights approximately 20 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.
Let's talk about torque, 1973 Fiat 128 (83 Nm @ 4400 RPM) has 2 more torque (in Nm) than 1973 Austin Allegro. (81 Nm @ 2450 RPM). This means 1973 Fiat 128 will have an easier job in driving up hills or pulling heavy equipment than 1973 Austin Allegro.
Compare all specifications:
| 1973 Austin Allegro | 1973 Fiat 128 | |
| Make | Austin | Fiat |
| Model | Allegro | 128 |
| Year Released | 1973 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1098 cc | 1116 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 48 HP | 63 HP |
| Engine RPM | 5250 RPM | 6000 RPM |
| Torque | 81 Nm | 83 Nm |
| Torque RPM | 2450 RPM | 4400 RPM |
| Engine Bore Size | 64.6 mm | 80 mm |
| Engine Stroke Size | 83.7 mm | 55.5 mm |
| Engine Compression Ratio | 8.5:1 | 8.8:1 |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 800 kg | 820 kg |
| Vehicle Length | 3860 mm | 3820 mm |
| Vehicle Width | 1620 mm | 1570 mm |
| Vehicle Height | 1400 mm | 1320 mm |
| Wheelbase Size | 2440 mm | 2230 mm |
| Fuel Tank Capacity | 47 L | 50 L |
