1977 Mazda 121 vs. 2010 Mazda BT-50
To start off, 2010 Mazda BT-50 is newer by 33 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 2,498 cc (4 cylinders), 2010 Mazda BT-50 is equipped with a bigger engine. In terms of performance, 2010 Mazda BT-50 (108 HP @ 3500 RPM) has 22 more horse power than 1977 Mazda 121. (86 HP @ 4800 RPM) In normal driving conditions, 2010 Mazda BT-50 should accelerate faster than 1977 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1977 Mazda 121 weights approximately 175 kg more than 2010 Mazda BT-50.
Because 2010 Mazda BT-50 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, 2010 Mazda BT-50 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, 2010 Mazda BT-50 (257 Nm @ 2000 RPM) has 97 more torque (in Nm) than 1977 Mazda 121. (160 Nm @ 3000 RPM). This means 2010 Mazda BT-50 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 121.
Compare all specifications:
| 1977 Mazda 121 | 2010 Mazda BT-50 | |
| Make | Mazda | Mazda |
| Model | 121 | BT-50 |
| Year Released | 1977 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2498 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 108 HP |
| Engine RPM | 4800 RPM | 3500 RPM |
| Torque | 160 Nm | 257 Nm |
| Torque RPM | 3000 RPM | 2000 RPM |
| Engine Bore Size | 80.1 mm | 93 mm |
| Engine Stroke Size | 98 mm | 92 mm |
| Engine Compression Ratio | 8.6:1 | 19.8:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Weight | 1130 kg | 955 kg |
| Vehicle Height | 1350 mm | 1810 mm |
| Wheelbase Size | 2520 mm | 3010 mm |
