2003 Caterham 7 vs. 2007 Fiat Siena
To start off, 2007 Fiat Siena is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Caterham 7. In addition, the cost of maintenance, including insurance, on 2003 Caterham 7 would be higher. At 1,796 cc (4 cylinders), 2003 Caterham 7 is equipped with a bigger engine. In terms of performance, 2003 Caterham 7 (200 HP @ 7500 RPM) has 132 more horse power than 2007 Fiat Siena. (68 HP @ 4600 RPM). In normal driving conditions, 2003 Caterham 7 should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Fiat Siena weights approximately 600 kg more than 2003 Caterham 7.
Because 2003 Caterham 7 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Caterham 7. However, in wet, icy, snow, or gravel driving conditions, 2007 Fiat Siena, being front wheel drive (FWD), will offer much better control with better grip. 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 Caterham 7 (210 Nm @ 5750 RPM) has 75 more torque (in Nm) than 2007 Fiat Siena. (135 Nm @ 2500 RPM). This means 2003 Caterham 7 will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2003 Caterham 7 | 2007 Fiat Siena | |
| Make | Caterham | Fiat |
| Model | 7 | Siena |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1697 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 200 HP | 68 HP |
| Engine RPM | 7500 RPM | 4600 RPM |
| Torque | 210 Nm | 135 Nm |
| Torque RPM | 5750 RPM | 2500 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 490 kg | 1090 kg |
| Vehicle Length | 3110 mm | 4140 mm |
| Vehicle Width | 1580 mm | 1640 mm |
| Vehicle Height | 810 mm | 1440 mm |
| Wheelbase Size | 2230 mm | 2380 mm |
