1977 Fiat 127 vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 26 year(s). Which means there will be less support and parts availability for 1977 Fiat 127. In addition, the cost of maintenance, including insurance, on 1977 Fiat 127 would be higher. At 2,198 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (144 HP @ 6000 RPM) has 74 more horse power than 1977 Fiat 127. (70 HP @ 6500 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1977 Fiat 127. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 911 kg more than 1977 Fiat 127. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 Fiat 127 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 127. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Signum (240 Nm @ 3800 RPM) has 157 more torque (in Nm) than 1977 Fiat 127. (83 Nm @ 4500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1977 Fiat 127.
Compare all specifications:
| 1977 Fiat 127 | 2003 Opel Signum | |
| Make | Fiat | Opel |
| Model | 127 | Signum |
| Year Released | 1977 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1047 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 144 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 83 Nm | 240 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Engine Bore Size | 76 mm | 86 mm |
| Engine Stroke Size | 57.8 mm | 94.6 mm |
| Engine Compression Ratio | 9.8:1 | 12.0:1 |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 775 kg | 1686 kg |
| Vehicle Length | 3650 mm | 4640 mm |
| Vehicle Width | 1540 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2230 mm | 2640 mm |
| Fuel Tank Capacity | 30 L | 58 L |
