1977 Fiat X1-9 vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 30 year(s). Which means there will be less support and parts availability for 1977 Fiat X1-9. In addition, the cost of maintenance, including insurance, on 1977 Fiat X1-9 would be higher. At 2,958 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (175 HP @ 4000 RPM) has 90 more horse power than 1977 Fiat X1-9. (85 HP @ 5800 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 1977 Fiat X1-9. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 752 kg more than 1977 Fiat X1-9. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 Fiat X1-9 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 1977 Fiat X1-9. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Signum, 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, 2007 Opel Signum (370 Nm @ 1900 RPM) has 252 more torque (in Nm) than 1977 Fiat X1-9. (118 Nm @ 3200 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1977 Fiat X1-9. 2007 Opel Signum has automatic transmission and 1977 Fiat X1-9 has manual transmission. 1977 Fiat X1-9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1977 Fiat X1-9 | 2007 Opel Signum | |
| Make | Fiat | Opel |
| Model | X1-9 | Signum |
| Year Released | 1977 | 2007 |
| Engine Position | Middle | Front |
| Engine Size | 1498 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 175 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 118 Nm | 370 Nm |
| Torque RPM | 3200 RPM | 1900 RPM |
| Engine Bore Size | 86.4 mm | 87.5 mm |
| Engine Stroke Size | 63.9 mm | 82 mm |
| Engine Compression Ratio | 9.2:1 | 18.5:1 |
| Top Speed | 180 km/hour | 221 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 918 kg | 1670 kg |
| Vehicle Length | 3980 mm | 4640 mm |
| Vehicle Width | 1570 mm | 1800 mm |
| Vehicle Height | 1150 mm | 1470 mm |
| Wheelbase Size | 2210 mm | 2840 mm |
| Fuel Tank Capacity | 50 L | 60 L |
