2005 Fiat Idea vs. 2003 Opel Signum
To start off, 2005 Fiat Idea is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (174 HP @ 4000 RPM) has 103 more horse power than 2005 Fiat Idea. (71 HP @ 4000 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 2005 Fiat Idea.
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 Opel Signum (370 Nm @ 1900 RPM) has 190 more torque (in Nm) than 2005 Fiat Idea. (180 Nm @ 1750 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Fiat Idea. 2003 Opel Signum has automatic transmission and 2005 Fiat Idea has manual transmission. 2005 Fiat Idea will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Fiat Idea | 2003 Opel Signum | |
| Make | Fiat | Opel |
| Model | Idea | Signum |
| Year Released | 2005 | 2003 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1368 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 71 HP | 174 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 180 Nm | 370 Nm |
| Torque RPM | 1750 RPM | 1900 RPM |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
