1978 Mazda 121 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 29 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), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (168 HP @ 5200 RPM) has 82 more horse power than 1978 Mazda 121. (86 HP @ 4800 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1978 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 255 kg more than 1978 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 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 1978 Mazda 121. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Astra, 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, 2007 Opel Astra (251 Nm @ 1950 RPM) has 91 more torque (in Nm) than 1978 Mazda 121. (160 Nm @ 3000 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 121.
Compare all specifications:
| 1978 Mazda 121 | 2007 Opel Astra | |
| Make | Mazda | Opel |
| Model | 121 | Astra |
| Year Released | 1978 | 2007 |
| 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 | 168 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 160 Nm | 251 Nm |
| Torque RPM | 3000 RPM | 1950 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1130 kg | 1385 kg |
| Vehicle Length | 4510 mm | 4480 mm |
| Vehicle Width | 1690 mm | 2030 mm |
| Vehicle Height | 1350 mm | 1420 mm |
| Wheelbase Size | 2520 mm | 2620 mm |
