2001 Opel Signum vs. 1978 Simca Horizon
To start off, 2001 Opel Signum is newer by 23 year(s). Which means there will be less support and parts availability for 1978 Simca Horizon. In addition, the cost of maintenance, including insurance, on 1978 Simca Horizon would be higher. At 2,958 cc (6 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Opel Signum (175 HP @ 4000 RPM) has 92 more horse power than 1978 Simca Horizon. (83 HP @ 5600 RPM). In normal driving conditions, 2001 Opel Signum should accelerate faster than 1978 Simca Horizon. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 645 kg more than 1978 Simca Horizon. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2001 Opel Signum (370 Nm @ 1900 RPM) has 249 more torque (in Nm) than 1978 Simca Horizon. (121 Nm @ 3000 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1978 Simca Horizon. 1978 Simca Horizon has automatic transmission and 2001 Opel Signum has manual transmission. 2001 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Simca Horizon will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 Opel Signum | 1978 Simca Horizon | |
| Make | Opel | Simca |
| Model | Signum | Horizon |
| Year Released | 2001 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1442 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 175 HP | 83 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 370 Nm | 121 Nm |
| Torque RPM | 1900 RPM | 3000 RPM |
| Engine Compression Ratio | 18.5:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 221 km/hour | 156 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1025 kg |
| Vehicle Length | 4640 mm | 3970 mm |
| Vehicle Width | 1800 mm | 1690 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2710 mm | 2530 mm |
| Fuel Tank Capacity | 60 L | 47 L |
