2004 Opel Signum vs. 1973 Datsun 240Z
To start off, 2004 Opel Signum is newer by 31 year(s). Which means there will be less support and parts availability for 1973 Datsun 240Z. In addition, the cost of maintenance, including insurance, on 1973 Datsun 240Z would be higher. At 2,393 cc (6 cylinders), 1973 Datsun 240Z is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 22 more horse power than 1973 Datsun 240Z. (151 HP @ 5600 RPM). In normal driving conditions, 2004 Opel Signum should accelerate faster than 1973 Datsun 240Z. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 492 kg more than 1973 Datsun 240Z. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 Datsun 240Z 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 1973 Datsun 240Z. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 67 more torque (in Nm) than 1973 Datsun 240Z. (198 Nm @ 4400 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1973 Datsun 240Z.
Compare all specifications:
| 2004 Opel Signum | 1973 Datsun 240Z | |
| Make | Opel | Datsun |
| Model | Signum | 240Z |
| Year Released | 2004 | 1973 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2393 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 173 HP | 151 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 265 Nm | 198 Nm |
| Torque RPM | 2500 RPM | 4400 RPM |
| Engine Bore Size | 86 mm | 83 mm |
| Engine Stroke Size | 86 mm | 73.7 mm |
| Engine Compression Ratio | 9.5:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 220 km/hour | 201 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1560 kg | 1068 kg |
| Vehicle Length | 4640 mm | 4140 mm |
| Vehicle Width | 1800 mm | 1630 mm |
| Wheelbase Size | 2840 mm | 2300 mm |
| Fuel Consumption Overall | 9.4 L/100km | 11 L/100km |
