1974 Fiat 133 vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 31 year(s). Which means there will be less support and parts availability for 1974 Fiat 133. In addition, the cost of maintenance, including insurance, on 1974 Fiat 133 would be higher. At 3,174 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (208 HP @ 6000 RPM) has 174 more horse power than 1974 Fiat 133. (34 HP @ 4800 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1974 Fiat 133. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 920 kg more than 1974 Fiat 133. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1974 Fiat 133 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 1974 Fiat 133. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Opel Signum (300 Nm @ 4000 RPM) has 246 more torque (in Nm) than 1974 Fiat 133. (54 Nm @ 3200 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1974 Fiat 133.
Compare all specifications:
| 1974 Fiat 133 | 2005 Opel Signum | |
| Make | Fiat | Opel |
| Model | 133 | Signum |
| Year Released | 1974 | 2005 |
| Engine Position | Rear | Front |
| Engine Size | 842 cc | 3174 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 34 HP | 208 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 54 Nm | 300 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 65 mm | 87.5 mm |
| Engine Stroke Size | 68 mm | 88 mm |
| Engine Compression Ratio | 7.9:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Vehicle Weight | 690 kg | 1610 kg |
| Vehicle Length | 3460 mm | 4640 mm |
| Vehicle Width | 1430 mm | 1800 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2030 mm | 2840 mm |
