2003 BMW X3 vs. 1977 Mazda 121
To start off, 2003 BMW X3 is newer by 26 year(s). Which means there will be less support and parts availability for 1977 Mazda 121. In addition, the cost of maintenance, including insurance, on 1977 Mazda 121 would be higher. At 2,979 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, 2003 BMW X3 (228 HP @ 5900 RPM) has 142 more horse power than 1977 Mazda 121. (86 HP @ 4800 RPM). In normal driving conditions, 2003 BMW X3 should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 710 kg more than 1977 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1977 Mazda 121. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 BMW X3 (300 Nm @ 3500 RPM) has 140 more torque (in Nm) than 1977 Mazda 121. (160 Nm @ 3000 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.
Compare all specifications:
2003 BMW X3 | 1977 Mazda 121 | |
Make | BMW | Mazda |
Model | X3 | 121 |
Year Released | 2003 | 1977 |
Engine Position | Front | Front |
Engine Size | 2979 cc | 1970 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 228 HP | 86 HP |
Engine RPM | 5900 RPM | 4800 RPM |
Torque | 300 Nm | 160 Nm |
Torque RPM | 3500 RPM | 3000 RPM |
Engine Bore Size | 84.1 mm | 80.1 mm |
Engine Stroke Size | 89.6 mm | 98 mm |
Engine Compression Ratio | 10.2:1 | 8.6:1 |
Drive Type | 4WD | Rear |
Number of Seats | 5 seats | 4 seats |
Vehicle Weight | 1840 kg | 1130 kg |
Vehicle Length | 4570 mm | 4510 mm |
Vehicle Width | 1860 mm | 1690 mm |
Vehicle Height | 1680 mm | 1350 mm |
Wheelbase Size | 2730 mm | 2520 mm |