1998 Alfa Romeo 166 vs. 2007 Fiat Siena
To start off, 2007 Fiat Siena is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 166 would be higher. At 2,959 cc (6 cylinders), 1998 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 1998 Alfa Romeo 166 (226 HP @ 6200 RPM) has 126 more horse power than 2007 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 1998 Alfa Romeo 166 should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1998 Alfa Romeo 166 weights approximately 440 kg more than 2007 Fiat Siena. 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, 1998 Alfa Romeo 166 (275 Nm @ 5000 RPM) has 135 more torque (in Nm) than 2007 Fiat Siena. (140 Nm @ 4000 RPM). This means 1998 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 1998 Alfa Romeo 166 | 2007 Fiat Siena | |
| Make | Alfa Romeo | Fiat |
| Model | 166 | Siena |
| Year Released | 1998 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1581 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 226 HP | 100 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 275 Nm | 140 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Top Speed | 243 km/hour | 179 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 11.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1070 kg |
| Vehicle Width | 1820 mm | 1640 mm |
| Wheelbase Size | 2710 mm | 2380 mm |
| Fuel Tank Capacity | 72 L | 54 L |
