2005 Mazda RX-8 vs. 2013 Infiniti EX
To start off, 2013 Infiniti EX is newer by 8 year(s). Which means there will be less support and parts availability for 2005 Mazda RX-8. In addition, the cost of maintenance, including insurance, on 2005 Mazda RX-8 would be higher. At 3,696 cc (6 cylinders), 2013 Infiniti EX is equipped with a bigger engine. In terms of performance, 2013 Infiniti EX (321 HP @ 7000 RPM) has 124 more horse power than 2005 Mazda RX-8. (197 HP @ 4000 RPM) In normal driving conditions, 2013 Infiniti EX should accelerate faster than 2005 Mazda RX-8. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti EX weights approximately 410 kg more than 2005 Mazda RX-8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 Infiniti EX is all wheel drive (AWD), it will have significant more traction and grip than 2005 Mazda RX-8. In wet, icy, snow, or gravel driving conditions, 2013 Infiniti EX 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 EX (362 Nm @ 5200 RPM) has 140 more torque (in Nm) than 2005 Mazda RX-8. (222 Nm @ 5500 RPM). This means 2013 Infiniti EX will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda RX-8.
Compare all specifications:
| 2005 Mazda RX-8 | 2013 Infiniti EX | |
| Make | Mazda | Infiniti |
| Model | RX-8 | EX |
| Year Released | 2005 | 2013 |
| Body Type | Coupe | Crossover |
| Engine Position | Front | Front |
| Engine Size | 1311 cc | 3696 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 197 HP | 321 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 222 Nm | 362 Nm |
| Torque RPM | 5500 RPM | 5200 RPM |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1795 kg |
| Vehicle Length | 4430 mm | 4631 mm |
| Vehicle Width | 1780 mm | 1803 mm |
| Vehicle Height | 1350 mm | 1589 mm |
| Wheelbase Size | 2680 mm | 2850 mm |
| Fuel Consumption Highway | 10 L/100km | 8.5 L/100km |
| Fuel Consumption City | 13.2 L/100km | 12.3 L/100km |
