1975 Mazda 929 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 30 year(s). Which means there will be less support and parts availability for 1975 Mazda 929. In addition, the cost of maintenance, including insurance, on 1975 Mazda 929 would be higher. At 1,796 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (122 HP @ 5600 RPM) has 39 more horse power than 1975 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1975 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 200 kg more than 1975 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Mazda 929 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1975 Mazda 929. However, in wet, icy, snow, or gravel driving conditions, 2005 Opel Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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 (170 Nm @ 3800 RPM) has 33 more torque (in Nm) than 1975 Mazda 929. (137 Nm @ 3000 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 929.
Compare all specifications:
| 1975 Mazda 929 | 2005 Opel Vectra | |
| Make | Mazda | Opel |
| Model | 929 | Vectra |
| Year Released | 1975 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 122 HP |
| Engine RPM | 5000 RPM | 5600 RPM |
| Torque | 137 Nm | 170 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 80.1 mm | 80.5 mm |
| Engine Stroke Size | 88 mm | 88.2 mm |
| Engine Compression Ratio | 8.6:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1160 kg | 1360 kg |
| Vehicle Length | 4550 mm | 4500 mm |
| Vehicle Width | 1670 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2450 mm |
| Fuel Tank Capacity | 65 L | 60 L |
