2003 Opel Vectra vs. 1978 Simca Horizon
To start off, 2003 Opel Vectra is newer by 25 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 1,795 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (120 HP @ 5800 RPM) has 62 more horse power than 1978 Simca Horizon. (58 HP @ 5600 RPM). In normal driving conditions, 2003 Opel Vectra should accelerate faster than 1978 Simca Horizon. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 545 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, 2003 Opel Vectra (170 Nm @ 3800 RPM) has 81 more torque (in Nm) than 1978 Simca Horizon. (89 Nm @ 3000 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1978 Simca Horizon.
Compare all specifications:
| 2003 Opel Vectra | 1978 Simca Horizon | |
| Make | Opel | Simca |
| Model | Vectra | Horizon |
| Year Released | 2003 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1795 cc | 1118 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 120 HP | 58 HP |
| Engine RPM | 5800 RPM | 5600 RPM |
| Torque | 170 Nm | 89 Nm |
| Torque RPM | 3800 RPM | 3000 RPM |
| Engine Bore Size | 80.5 mm | 74.1 mm |
| Engine Stroke Size | 88.2 mm | 65 mm |
| Engine Compression Ratio | 10.5:1 | 9.6:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 945 kg |
| Vehicle Length | 4500 mm | 3970 mm |
| Vehicle Width | 1710 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2640 mm | 2530 mm |
| Fuel Tank Capacity | 60 L | 47 L |
