2005 BMW X5 vs. 1978 Mazda 121
To start off, 2005 BMW X5 is newer by 27 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 4,392 cc (8 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (321 HP @ 6100 RPM) has 235 more horse power than 1978 Mazda 121. (86 HP @ 4800 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 1978 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 1105 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 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mazda 121. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 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, 2005 BMW X5 (450 Nm @ 3700 RPM) has 290 more torque (in Nm) than 1978 Mazda 121. (160 Nm @ 3000 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 121.
Compare all specifications:
2005 BMW X5 | 1978 Mazda 121 | |
Make | BMW | Mazda |
Model | X5 | 121 |
Year Released | 2005 | 1978 |
Engine Position | Front | Front |
Engine Size | 4392 cc | 1970 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 321 HP | 86 HP |
Engine RPM | 6100 RPM | 4800 RPM |
Torque | 450 Nm | 160 Nm |
Torque RPM | 3700 RPM | 3000 RPM |
Engine Compression Ratio | 10.0:1 | 8.6:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | 4WD | Rear |
Number of Seats | 5 seats | 4 seats |
Vehicle Weight | 2235 kg | 1130 kg |
Vehicle Length | 4670 mm | 4510 mm |
Vehicle Width | 1880 mm | 1690 mm |
Vehicle Height | 1710 mm | 1350 mm |
Wheelbase Size | 2890 mm | 2520 mm |