1979 Mazda 121 vs. 2011 BMW X3
To start off, 2011 BMW X3 is newer by 32 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 3,000 cc (6 cylinders), 2011 BMW X3 is equipped with a bigger engine. In terms of performance, 2011 BMW X3 (240 HP @ 6600 RPM) has 150 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM) In normal driving conditions, 2011 BMW X3 should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X3 weights approximately 731 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.
Because 2011 BMW X3 is all wheel drive (AWD), it will have significant more traction and grip than 1979 Mazda 121. In wet, icy, snow, or gravel driving conditions, 2011 BMW X3 will offer significantly more control. 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, 2011 BMW X3 (299 Nm @ 2750 RPM) has 139 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 2011 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1979 Mazda 121 | 2011 BMW X3 | |
| Make | Mazda | BMW |
| Model | 121 | X3 |
| Year Released | 1979 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 3000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 240 HP |
| Engine RPM | 4800 RPM | 6600 RPM |
| Torque | 160 Nm | 299 Nm |
| Torque RPM | 3000 RPM | 2750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1134 kg | 1865 kg |
| Vehicle Length | 4510 mm | 4648 mm |
| Vehicle Width | 1690 mm | 1882 mm |
| Vehicle Height | 1350 mm | 1661 mm |
| Wheelbase Size | 2520 mm | 2807 mm |
