1974 Mazda 929 vs. 1999 Opel Omega
To start off, 1999 Opel Omega is newer by 25 year(s). Which means there will be less support and parts availability for 1974 Mazda 929. In addition, the cost of maintenance, including insurance, on 1974 Mazda 929 would be higher. At 2,497 cc (6 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (131 HP @ 4500 RPM) has 48 more horse power than 1974 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 1974 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 580 kg more than 1974 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1999 Opel Omega (235 Nm @ 2200 RPM) has 101 more torque (in Nm) than 1974 Mazda 929. (134 Nm @ 2500 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1974 Mazda 929.
Compare all specifications:
| 1974 Mazda 929 | 1999 Opel Omega | |
| Make | Mazda | Opel |
| Model | 929 | Omega |
| Year Released | 1974 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 131 HP |
| Engine RPM | 5000 RPM | 4500 RPM |
| Torque | 134 Nm | 235 Nm |
| Torque RPM | 2500 RPM | 2200 RPM |
| Engine Bore Size | 80 mm | 80 mm |
| Engine Stroke Size | 88 mm | 82.8 mm |
| Engine Compression Ratio | 8.6:1 | 22.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1095 kg | 1675 kg |
| Vehicle Length | 4410 mm | 4900 mm |
| Vehicle Width | 1670 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2520 mm | 2840 mm |
| Fuel Tank Capacity | 65 L | 75 L |
