1986 Alfa Romeo Arna vs. 2007 Fiat Siena
To start off, 2007 Fiat Siena is newer by 21 year(s). Which means there will be less support and parts availability for 1986 Alfa Romeo Arna. In addition, the cost of maintenance, including insurance, on 1986 Alfa Romeo Arna would be higher. At 1,242 cc (4 cylinders), 2007 Fiat Siena is equipped with a bigger engine. In terms of performance, 2007 Fiat Siena (72 HP @ 6000 RPM) has 10 more horse power than 1986 Alfa Romeo Arna. (62 HP @ 6000 RPM) In normal driving conditions, 2007 Fiat Siena should accelerate faster than 1986 Alfa Romeo Arna. With that said, vehicle weight also plays an important factor in acceleration. 2007 Fiat Siena weights approximately 220 kg more than 1986 Alfa Romeo Arna. 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, 2007 Fiat Siena (102 Nm @ 3250 RPM) has 14 more torque (in Nm) than 1986 Alfa Romeo Arna. (88 Nm @ 3200 RPM). This means 2007 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo Arna.
Compare all specifications:
| 1986 Alfa Romeo Arna | 2007 Fiat Siena | |
| Make | Alfa Romeo | Fiat |
| Model | Arna | Siena |
| Year Released | 1986 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1185 cc | 1242 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 62 HP | 72 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 88 Nm | 102 Nm |
| Torque RPM | 3200 RPM | 3250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 850 kg | 1070 kg |
| Vehicle Length | 4010 mm | 3830 mm |
| Vehicle Width | 1630 mm | 1640 mm |
| Vehicle Height | 1350 mm | 1440 mm |
| Wheelbase Size | 2430 mm | 2380 mm |
