2009 Infiniti QX56 vs. 2005 Mazda MX-5 Miata
To start off, 2009 Infiniti QX56 is newer by 4 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 (8 cylinders), 2009 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2009 Infiniti QX56 (320 HP @ 5200 RPM) has 178 more horse power than 2005 Mazda MX-5 Miata. (142 HP @ 7000 RPM). In normal driving conditions, 2009 Infiniti QX56 should accelerate faster than 2005 Mazda MX-5 Miata. With that said, vehicle weight also plays an important factor in acceleration. 2009 Infiniti QX56 weights approximately 48 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2009 Infiniti QX56 (533 Nm @ 3400 RPM) has 365 more torque (in Nm) than 2005 Mazda MX-5 Miata. (168 Nm @ 5000 RPM). This means 2009 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda MX-5 Miata. 2009 Infiniti QX56 has automatic transmission and 2005 Mazda MX-5 Miata has manual transmission. 2005 Mazda MX-5 Miata will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Infiniti QX56 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Infiniti QX56 | 2005 Mazda MX-5 Miata | |
| Make | Infiniti | Mazda |
| Model | QX56 | MX-5 Miata |
| Year Released | 2009 | 2005 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5552 cc | 1839 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 142 HP |
| Engine RPM | 5200 RPM | 7000 RPM |
| Torque | 533 Nm | 168 Nm |
| Torque RPM | 3400 RPM | 5000 RPM |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1719 kg | 1671 kg |
| Vehicle Length | 5260 mm | 3980 mm |
| Vehicle Width | 2010 mm | 1690 mm |
| Vehicle Height | 1980 mm | 1230 mm |
| Wheelbase Size | 3140 mm | 2270 mm |
| Fuel Consumption Overall | 16.8 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 106 L | 50 L |
