1986 Fiat Croma vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 17 year(s). Which means there will be less support and parts availability for 1986 Fiat Croma. In addition, the cost of maintenance, including insurance, on 1986 Fiat Croma would be higher. At 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (207 HP @ 6200 RPM) has 87 more horse power than 1986 Fiat Croma. (120 HP @ 5250 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1986 Fiat Croma. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 493 kg more than 1986 Fiat Croma. 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, 2003 Opel Signum (300 Nm @ 4000 RPM) has 135 more torque (in Nm) than 1986 Fiat Croma. (165 Nm @ 3300 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1986 Fiat Croma. 2003 Opel Signum has automatic transmission and 1986 Fiat Croma has manual transmission. 1986 Fiat Croma 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:
| 1986 Fiat Croma | 2003 Opel Signum | |
| Make | Fiat | Opel |
| Model | Croma | Signum |
| Year Released | 1986 | 2003 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 120 HP | 207 HP |
| Engine RPM | 5250 RPM | 6200 RPM |
| Torque | 165 Nm | 300 Nm |
| Torque RPM | 3300 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Top Speed | 192 km/hour | 235 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 8.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1120 kg | 1613 kg |
| Vehicle Length | 4500 mm | 4640 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2670 mm | 2840 mm |
