2003 Fiat Siena vs. 2006 Volvo S40
To start off, 2006 Volvo S40 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2003 Fiat Siena would be higher. At 2,521 cc (5 cylinders), 2006 Volvo S40 is equipped with a bigger engine. In terms of performance, 2006 Volvo S40 (217 HP @ 5000 RPM) has 148 more horse power than 2003 Fiat Siena. (69 HP @ 4500 RPM) In normal driving conditions, 2006 Volvo S40 should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Volvo S40 weights approximately 358 kg more than 2003 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, 2006 Volvo S40 (320 Nm @ 1500 RPM) has 192 more torque (in Nm) than 2003 Fiat Siena. (128 Nm @ 2500 RPM). This means 2006 Volvo S40 will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena. 2006 Volvo S40 has automatic transmission and 2003 Fiat Siena has manual transmission. 2003 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Volvo S40 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Fiat Siena | 2006 Volvo S40 | |
| Make | Fiat | Volvo |
| Model | Siena | S40 |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 2521 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 69 HP | 217 HP |
| Engine RPM | 4500 RPM | 5000 RPM |
| Torque | 128 Nm | 320 Nm |
| Torque RPM | 2500 RPM | 1500 RPM |
| Engine Bore Size | 82.7 mm | 83 mm |
| Engine Stroke Size | 79.2 mm | 93.2 mm |
| Engine Compression Ratio | 20.3:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1100 kg | 1458 kg |
| Vehicle Length | 4110 mm | 4470 mm |
| Vehicle Width | 1630 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2380 mm | 2650 mm |
