2005 Opel Signum vs. 1975 Renault 30
To start off, 2005 Opel Signum is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Renault 30. In addition, the cost of maintenance, including insurance, on 1975 Renault 30 would be higher. At 2,664 cc (6 cylinders), 1975 Renault 30 is equipped with a bigger engine. In terms of performance, 1975 Renault 30 (131 HP @ 5500 RPM) has 32 more horse power than 2005 Opel Signum. (99 HP @ 3120 RPM) In normal driving conditions, 1975 Renault 30 should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 275 kg more than 1975 Renault 30.
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, 2005 Opel Signum (230 Nm @ 1500 RPM) has 27 more torque (in Nm) than 1975 Renault 30. (203 Nm @ 2500 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 Renault 30. 1975 Renault 30 has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1975 Renault 30 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Signum | 1975 Renault 30 | |
| Make | Opel | Renault |
| Model | Signum | 30 |
| Year Released | 2005 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2664 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 99 HP | 131 HP |
| Engine RPM | 3120 RPM | 5500 RPM |
| Torque | 230 Nm | 203 Nm |
| Torque RPM | 1500 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 88 mm |
| Engine Stroke Size | 90 mm | 73 mm |
| Engine Compression Ratio | 18.5:1 | 8.7:1 |
| Top Speed | 185 km/hour | 180 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1595 kg | 1320 kg |
| Vehicle Length | 4640 mm | 4530 mm |
| Vehicle Width | 1800 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2740 mm | 2680 mm |
| Fuel Tank Capacity | 60 L | 67 L |
