1979 Mazda 121 vs. 1999 Opel Omega
To start off, 1999 Opel Omega is newer by 20 year(s). Which means there will be less support and parts availability for 1979 Mazda 121. In addition, the cost of maintenance, including insurance, on 1979 Mazda 121 would be higher. At 2,196 cc (4 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (142 HP @ 5800 RPM) has 52 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 551 kg more than 1979 Mazda 121. 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 (203 Nm @ 4000 RPM) has 43 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1979 Mazda 121 | 1999 Opel Omega | |
| Make | Mazda | Opel |
| Model | 121 | Omega |
| Year Released | 1979 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 142 HP |
| Engine RPM | 4800 RPM | 5800 RPM |
| Torque | 160 Nm | 203 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 86 mm |
| Engine Stroke Size | 98 mm | 94.6 mm |
| Engine Compression Ratio | 8.6:1 | 10.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1134 kg | 1685 kg |
| Vehicle Length | 4510 mm | 4900 mm |
| Vehicle Width | 1690 mm | 1780 mm |
| Vehicle Height | 1350 mm | 1550 mm |
| Wheelbase Size | 2520 mm | 2640 mm |
