1978 Mazda 626 vs. 2013 Infiniti QX
To start off, 2013 Infiniti QX is newer by 35 year(s). Which means there will be less support and parts availability for 1978 Mazda 626. In addition, the cost of maintenance, including insurance, on 1978 Mazda 626 would be higher. At 5,552 cc (4 cylinders), 2013 Infiniti QX is equipped with a bigger engine. In terms of performance, 2013 Infiniti QX (395 HP @ 5800 RPM) has 302 more horse power than 1978 Mazda 626. (93 HP @ 5500 RPM) In normal driving conditions, 2013 Infiniti QX should accelerate faster than 1978 Mazda 626. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti QX weights approximately 1661 kg more than 1978 Mazda 626. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Infiniti QX is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mazda 626. In wet, icy, snow, or gravel driving conditions, 2013 Infiniti QX 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, 2013 Infiniti QX (560 Nm @ 4000 RPM) has 410 more torque (in Nm) than 1978 Mazda 626. (150 Nm @ 3300 RPM). This means 2013 Infiniti QX will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 626.
Compare all specifications:
| 1978 Mazda 626 | 2013 Infiniti QX | |
| Make | Mazda | Infiniti |
| Model | 626 | QX |
| Year Released | 1978 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1768 cc | 5552 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | electric |
| Horse Power | 93 HP | 395 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 150 Nm | 560 Nm |
| Torque RPM | 3300 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 98 mm |
| Engine Stroke Size | 88 mm | 92 mm |
| Fuel Type | Gasoline | Diesel / Electric Hybrid |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 8 seats |
| Vehicle Weight | 995 kg | 2656 kg |
| Vehicle Length | 4310 mm | 5290 mm |
| Vehicle Width | 1670 mm | 2030 mm |
| Vehicle Height | 1380 mm | 1925 mm |
| Wheelbase Size | 2520 mm | 3075 mm |
