2005 Mazda MX-5 Miata vs. 2013 Infiniti QX
To start off, 2013 Infiniti QX is newer by 8 year(s). Which means there will be less support and parts availability for 2005 Mazda MX-5 Miata. In addition, the cost of maintenance, including insurance, on 2005 Mazda MX-5 Miata 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 242 more horse power than 2005 Mazda MX-5 Miata. (153 HP @ 6700 RPM) In normal driving conditions, 2013 Infiniti QX should accelerate faster than 2005 Mazda MX-5 Miata. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti QX weights approximately 1601 kg more than 2005 Mazda MX-5 Miata. 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 2005 Mazda MX-5 Miata. 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 371 more torque (in Nm) than 2005 Mazda MX-5 Miata. (189 Nm @ 5000 RPM). This means 2013 Infiniti QX will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda MX-5 Miata.
Compare all specifications:
| 2005 Mazda MX-5 Miata | 2013 Infiniti QX | |
| Make | Mazda | Infiniti |
| Model | MX-5 Miata | QX |
| Year Released | 2005 | 2013 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 5552 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | electric |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 395 HP |
| Engine RPM | 6700 RPM | 5800 RPM |
| Torque | 189 Nm | 560 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Bore Size | 87.5 mm | 98 mm |
| Engine Stroke Size | 83.1 mm | 92 mm |
| Fuel Type | Gasoline | Diesel / Electric Hybrid |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1055 kg | 2656 kg |
| Vehicle Length | 3990 mm | 5290 mm |
| Vehicle Width | 1730 mm | 2030 mm |
| Vehicle Height | 1250 mm | 1925 mm |
| Wheelbase Size | 2340 mm | 3075 mm |
