1978 Mazda 929 vs. 2000 Opel Vectra
To start off, 2000 Opel Vectra is newer by 22 year(s). Which means there will be less support and parts availability for 1978 Mazda 929. In addition, the cost of maintenance, including insurance, on 1978 Mazda 929 would be higher. At 1,769 cc (4 cylinders), 1978 Mazda 929 is equipped with a bigger engine. In terms of performance, 2000 Opel Vectra (100 HP @ 6200 RPM) has 17 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2000 Opel Vectra should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2000 Opel Vectra weights approximately 270 kg more than 1978 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2000 Opel Vectra (150 Nm @ 3200 RPM) has 16 more torque (in Nm) than 1978 Mazda 929. (134 Nm @ 3000 RPM). This means 2000 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 1978 Mazda 929 | 2000 Opel Vectra | |
| Make | Mazda | Opel |
| Model | 929 | Vectra |
| Year Released | 1978 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 100 HP |
| Engine RPM | 5000 RPM | 6200 RPM |
| Torque | 134 Nm | 150 Nm |
| Torque RPM | 3000 RPM | 3200 RPM |
| Engine Bore Size | 80 mm | 79 mm |
| Engine Stroke Size | 88 mm | 81.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1070 kg | 1340 kg |
| Vehicle Length | 4410 mm | 4500 mm |
| Vehicle Width | 1670 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2520 mm | 2650 mm |
