1977 Dodge Omni vs. 1979 Mazda 121
To start off, 1979 Mazda 121 is newer by 2 year(s). Which means there will be less support and parts availability for 1977 Dodge Omni. In addition, the cost of maintenance, including insurance, on 1977 Dodge Omni would be higher. At 1,970 cc (4 cylinders), 1979 Mazda 121 is equipped with a bigger engine. In terms of performance, 1979 Mazda 121 (90 HP @ 4800 RPM) has 26 more horse power than 1977 Dodge Omni. (64 HP @ 5200 RPM) In normal driving conditions, 1979 Mazda 121 should accelerate faster than 1977 Dodge Omni. With that said, vehicle weight also plays an important factor in acceleration. 1979 Mazda 121 weights approximately 138 kg more than 1977 Dodge Omni. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 Mazda 121 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 1979 Mazda 121. However, in wet, icy, snow, or gravel driving conditions, 1977 Dodge Omni, 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, 1979 Mazda 121 (160 Nm @ 3000 RPM) has 45 more torque (in Nm) than 1977 Dodge Omni. (115 Nm @ 2800 RPM). This means 1979 Mazda 121 will have an easier job in driving up hills or pulling heavy equipment than 1977 Dodge Omni.
Compare all specifications:
| 1977 Dodge Omni | 1979 Mazda 121 | |
| Make | Dodge | Mazda |
| Model | Omni | 121 |
| Year Released | 1977 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 1716 cc | 1970 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 64 HP | 90 HP |
| Engine RPM | 5200 RPM | 4800 RPM |
| Torque | 115 Nm | 160 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Engine Bore Size | 79.5 mm | 80 mm |
| Engine Stroke Size | 86.4 mm | 98 mm |
| Engine Compression Ratio | 8.2:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 996 kg | 1134 kg |
| Vehicle Length | 4410 mm | 4510 mm |
| Vehicle Width | 1690 mm | 1690 mm |
| Vehicle Height | 1320 mm | 1350 mm |
| Wheelbase Size | 2530 mm | 2520 mm |
