2004 Opel Signum vs. 1973 Renault 15
To start off, 2004 Opel Signum is newer by 31 year(s). Which means there will be less support and parts availability for 1973 Renault 15. In addition, the cost of maintenance, including insurance, on 1973 Renault 15 would be higher. At 1,995 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 114 more horse power than 1973 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 2004 Opel Signum should accelerate faster than 1973 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 595 kg more than 1973 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2004 Opel Signum (265 Nm @ 2500 RPM) has 167 more torque (in Nm) than 1973 Renault 15. (98 Nm @ 3500 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1973 Renault 15.
Compare all specifications:
| 2004 Opel Signum | 1973 Renault 15 | |
| Make | Opel | Renault |
| Model | Signum | 15 |
| Year Released | 2004 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1289 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 173 HP | 59 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 265 Nm | 98 Nm |
| Torque RPM | 2500 RPM | 3500 RPM |
| Engine Bore Size | 86 mm | 75 mm |
| Engine Stroke Size | 86 mm | 69 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1560 kg | 965 kg |
| Vehicle Length | 4640 mm | 4270 mm |
| Vehicle Width | 1800 mm | 1640 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2840 mm | 2440 mm |
| Fuel Tank Capacity | 60 L | 55 L |
