2005 Opel Vectra vs. 1978 Simca Horizon
To start off, 2005 Opel Vectra is newer by 27 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), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (175 HP @ 4000 RPM) has 106 more horse power than 1978 Simca Horizon. (69 HP @ 5200 RPM). In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1978 Simca Horizon. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 638 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, 2005 Opel Vectra (370 Nm @ 1900 RPM) has 254 more torque (in Nm) than 1978 Simca Horizon. (116 Nm @ 3000 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1978 Simca Horizon.
Compare all specifications:
| 2005 Opel Vectra | 1978 Simca Horizon | |
| Make | Opel | Simca |
| Model | Vectra | Horizon |
| Year Released | 2005 | 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 | 69 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 370 Nm | 116 Nm |
| Torque RPM | 1900 RPM | 3000 RPM |
| Engine Bore Size | 87.6 mm | 76.7 mm |
| Engine Stroke Size | 82 mm | 78 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1613 kg | 975 kg |
| Vehicle Length | 4600 mm | 3970 mm |
| Vehicle Width | 1800 mm | 1690 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2620 mm | 2530 mm |
| Fuel Tank Capacity | 61 L | 47 L |
