1979 Mazda 121 vs. 1991 Chevrolet Blazer
To start off, 1991 Chevrolet Blazer is newer by 12 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 4,300 cc (6 cylinders), 1991 Chevrolet Blazer is equipped with a bigger engine. In terms of performance, 1991 Chevrolet Blazer (158 HP @ 4000 RPM) has 68 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM) In normal driving conditions, 1991 Chevrolet Blazer should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1991 Chevrolet Blazer weights approximately 316 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 1991 Chevrolet Blazer is four wheel drive (4WD), it will have significant more traction and grip than 1979 Mazda 121. In wet, icy, snow, or gravel driving conditions, 1991 Chevrolet Blazer 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, 1991 Chevrolet Blazer (313 Nm @ 2800 RPM) has 153 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 1991 Chevrolet Blazer will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1979 Mazda 121 | 1991 Chevrolet Blazer | |
| Make | Mazda | Chevrolet |
| Model | 121 | Blazer |
| Year Released | 1979 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 4300 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 158 HP |
| Engine RPM | 4800 RPM | 4000 RPM |
| Torque | 160 Nm | 313 Nm |
| Torque RPM | 3000 RPM | 2800 RPM |
| Engine Bore Size | 80 mm | 101.6 mm |
| Engine Stroke Size | 98 mm | 88.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1134 kg | 1450 kg |
| Vehicle Length | 4510 mm | 4330 mm |
| Vehicle Width | 1690 mm | 1660 mm |
| Vehicle Height | 1350 mm | 1600 mm |
| Wheelbase Size | 2520 mm | 2600 mm |
