2003 Alfa Romeo 156 vs. 2001 Fiat Siena
To start off, 2003 Alfa Romeo 156 is newer by 2 year(s). Which means there will be less support and parts availability for 2001 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2001 Fiat Siena would be higher. At 1,774 cc (4 cylinders), 2003 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 156 (138 HP @ 6200 RPM) has 16 more horse power than 2001 Fiat Siena. (122 HP @ 5250 RPM). In normal driving conditions, 2003 Alfa Romeo 156 should accelerate faster than 2001 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2001 Fiat Siena weights approximately 4 kg more than 2003 Alfa Romeo 156.
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, 2003 Alfa Romeo 156 (164 Nm) has 77 more torque (in Nm) than 2001 Fiat Siena. (87 Nm). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2001 Fiat Siena.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2001 Fiat Siena | |
| Make | Alfa Romeo | Fiat |
| Model | 156 | Siena |
| Year Released | 2003 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1774 cc | 1089 cc |
| Horse Power | 138 HP | 122 HP |
| Engine RPM | 6200 RPM | 5250 RPM |
| Torque | 164 Nm | 87 Nm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1340 kg | 1344 kg |
