1976 Mazda 929 vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 27 year(s). Which means there will be less support and parts availability for 1976 Mazda 929. In addition, the cost of maintenance, including insurance, on 1976 Mazda 929 would be higher. At 1,994 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (173 HP @ 5500 RPM) has 90 more horse power than 1976 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 1976 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 436 kg more than 1976 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, 2003 Opel Vectra (270 Nm @ 2500 RPM) has 136 more torque (in Nm) than 1976 Mazda 929. (134 Nm @ 3000 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1976 Mazda 929.
Compare all specifications:
| 1976 Mazda 929 | 2003 Opel Vectra | |
| Make | Mazda | Opel |
| Model | 929 | Vectra |
| Year Released | 1976 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 173 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 134 Nm | 270 Nm |
| Torque RPM | 3000 RPM | 2500 RPM |
| Engine Bore Size | 80 mm | 86 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Engine Compression Ratio | 8.6:1 | 9.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1074 kg | 1510 kg |
| Vehicle Length | 4410 mm | 4600 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2840 mm |
| Fuel Tank Capacity | 55 L | 61 L |
