1978 Simca Horizon vs. 1999 Opel Signum
To start off, 1999 Opel Signum is newer by 21 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 3,175 cc (6 cylinders), 1999 Opel Signum is equipped with a bigger engine. In terms of performance, 1999 Opel Signum (208 HP @ 6200 RPM) has 125 more horse power than 1978 Simca Horizon. (83 HP @ 5600 RPM) In normal driving conditions, 1999 Opel Signum should accelerate faster than 1978 Simca Horizon. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 585 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, 1999 Opel Signum (300 Nm @ 4000 RPM) has 179 more torque (in Nm) than 1978 Simca Horizon. (121 Nm @ 3000 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1978 Simca Horizon.
Compare all specifications:
| 1978 Simca Horizon | 1999 Opel Signum | |
| Make | Simca | Opel |
| Model | Horizon | Signum |
| Year Released | 1978 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1442 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 83 HP | 208 HP |
| Engine RPM | 5600 RPM | 6200 RPM |
| Torque | 121 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 156 km/hour | 237 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1025 kg | 1610 kg |
| Vehicle Length | 3970 mm | 4640 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2530 mm | 2840 mm |
| Fuel Tank Capacity | 47 L | 52 L |
