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1977 Mazda 121 vs. 2012 BMW X3

To start off, 2012 BMW X3 is newer by 35 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 2,993 cc (6 cylinders), 2012 BMW X3 is equipped with a bigger engine. In terms of performance, 2012 BMW X3 (256 HP @ 4000 RPM) has 170 more horse power than 1977 Mazda 121. (86 HP @ 4800 RPM) In normal driving conditions, 2012 BMW X3 should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW X3 weights approximately 745 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 2012 BMW X3 is all wheel drive (AWD), it will have significant more traction and grip than 1977 Mazda 121. In wet, icy, snow, or gravel driving conditions, 2012 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, 2012 BMW X3 (560 Nm @ 2000 RPM) has 400 more torque (in Nm) than 1977 Mazda 121. (160 Nm @ 3000 RPM). This means 2012 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.

Compare all specifications:

1977 Mazda 121 2012 BMW X3
Make Mazda BMW
Model 121 X3
Year Released 1977 2012
Engine Position Front Front
Engine Size 1970 cc 2993 cc
Engine Cylinders 4 cylinders 6 cylinders
Engine Type in-line in-line
Horse Power 86 HP 256 HP
Engine RPM 4800 RPM 4000 RPM
Torque 160 Nm 560 Nm
Torque RPM 3000 RPM 2000 RPM
Engine Bore Size 80.1 mm 90 mm
Engine Stroke Size 98 mm 84 mm
Fuel Type Gasoline Diesel
Drive Type Rear AWD
Number of Seats 4 seats 5 seats
Vehicle Weight 1130 kg 1875 kg
Vehicle Length 4510 mm 4648 mm
Vehicle Width 1690 mm 1881 mm
Vehicle Height 1350 mm 1675 mm
Wheelbase Size 2520 mm 2810 mm


 

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