1983 Austin Allegro vs. 2008 Fiat Siena
To start off, 2008 Fiat Siena is newer by 25 year(s). Which means there will be less support and parts availability for 1983 Austin Allegro. In addition, the cost of maintenance, including insurance, on 1983 Austin Allegro would be higher. At 1,581 cc (4 cylinders), 2008 Fiat Siena is equipped with a bigger engine. In terms of performance, 2008 Fiat Siena (106 HP @ 5500 RPM) has 63 more horse power than 1983 Austin Allegro. (43 HP @ 5250 RPM) In normal driving conditions, 2008 Fiat Siena should accelerate faster than 1983 Austin Allegro. With that said, vehicle weight also plays an important factor in acceleration. 2008 Fiat Siena weights approximately 295 kg more than 1983 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, 2008 Fiat Siena (140 Nm @ 4000 RPM) has 70 more torque (in Nm) than 1983 Austin Allegro. (70 Nm @ 3000 RPM). This means 2008 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 1983 Austin Allegro.
Compare all specifications:
| 1983 Austin Allegro | 2008 Fiat Siena | |
| Make | Austin | Fiat |
| Model | Allegro | Siena |
| Year Released | 1983 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 998 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 43 HP | 106 HP |
| Engine RPM | 5250 RPM | 5500 RPM |
| Torque | 70 Nm | 140 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 64.6 mm | 86.5 mm |
| Engine Stroke Size | 76.2 mm | 67.4 mm |
| Engine Compression Ratio | 9.6:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 800 kg | 1095 kg |
| Vehicle Length | 3200 mm | 3550 mm |
| Vehicle Width | 1620 mm | 1640 mm |
| Vehicle Height | 1400 mm | 1490 mm |
| Wheelbase Size | 2450 mm | 2370 mm |
