2003 Infiniti QX4 vs. 1979 Mazda 121
To start off, 2003 Infiniti QX4 is newer by 24 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 3,498 cc (6 cylinders), 2003 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 2003 Infiniti QX4 (238 HP @ 6000 RPM) has 148 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM). In normal driving conditions, 2003 Infiniti QX4 should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2003 Infiniti QX4 weights approximately 826 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 2003 Infiniti QX4 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, 2003 Infiniti QX4 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 Infiniti QX4 (359 Nm @ 3200 RPM) has 199 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 2003 Infiniti QX4 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 2003 Infiniti QX4 | 1979 Mazda 121 | |
| Make | Infiniti | Mazda |
| Model | QX4 | 121 |
| Year Released | 2003 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 1970 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 238 HP | 90 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 359 Nm | 160 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1960 kg | 1134 kg |
| Vehicle Length | 4660 mm | 4510 mm |
| Vehicle Width | 1850 mm | 1690 mm |
| Vehicle Height | 1800 mm | 1350 mm |
| Wheelbase Size | 2710 mm | 2520 mm |
