1978 Mazda 121 vs. 1986 Opel Kadett
To start off, 1986 Opel Kadett is newer by 8 year(s). Which means there will be less support and parts availability for 1978 Mazda 121. In addition, the cost of maintenance, including insurance, on 1978 Mazda 121 would be higher. At 1,998 cc (4 cylinders), 1986 Opel Kadett is equipped with a bigger engine. In terms of performance, 1986 Opel Kadett (115 HP @ 5600 RPM) has 29 more horse power than 1978 Mazda 121. (86 HP @ 4800 RPM) In normal driving conditions, 1986 Opel Kadett should accelerate faster than 1978 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mazda 121 weights approximately 85 kg more than 1986 Opel Kadett.
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, 1986 Opel Kadett (178 Nm @ 3000 RPM) has 18 more torque (in Nm) than 1978 Mazda 121. (160 Nm @ 3000 RPM). This means 1986 Opel Kadett will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 121.
Compare all specifications:
| 1978 Mazda 121 | 1986 Opel Kadett | |
| Make | Mazda | Opel |
| Model | 121 | Kadett |
| Year Released | 1978 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 115 HP |
| Engine RPM | 4800 RPM | 5600 RPM |
| Torque | 160 Nm | 178 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1130 kg | 1045 kg |
| Vehicle Length | 4510 mm | 4000 mm |
| Vehicle Width | 1690 mm | 1670 mm |
| Vehicle Height | 1350 mm | 1390 mm |
