2006 Infiniti Q45 vs. 2010 Mazda RX-8
To start off, 2010 Mazda RX-8 is newer by 4 year(s). Which means there will be less support and parts availability for 2006 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2006 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 2006 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2006 Infiniti Q45 (340 HP @ 6400 RPM) has 108 more horse power than 2010 Mazda RX-8. (232 HP @ 8500 RPM). In normal driving conditions, 2006 Infiniti Q45 should accelerate faster than 2010 Mazda RX-8. With that said, vehicle weight also plays an important factor in acceleration. 2010 Mazda RX-8 weights approximately 70 kg more than 2006 Infiniti Q45.
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, 2006 Infiniti Q45 (452 Nm @ 4000 RPM) has 237 more torque (in Nm) than 2010 Mazda RX-8. (215 Nm @ 5500 RPM). This means 2006 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2010 Mazda RX-8. 2006 Infiniti Q45 has automatic transmission and 2010 Mazda RX-8 has manual transmission. 2010 Mazda RX-8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Infiniti Q45 | 2010 Mazda RX-8 | |
| Make | Infiniti | Mazda |
| Model | Q45 | RX-8 |
| Year Released | 2006 | 2010 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 1300 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 340 HP | 232 HP |
| Engine RPM | 6400 RPM | 8500 RPM |
| Torque | 452 Nm | 215 Nm |
| Torque RPM | 4000 RPM | 5500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1320 kg | 1390 kg |
| Vehicle Length | 5110 mm | 4460 mm |
| Vehicle Width | 1850 mm | 1770 mm |
| Vehicle Height | 1500 mm | 1341 mm |
| Wheelbase Size | 2880 mm | 2700 mm |
| Fuel Consumption | 10 L/100km | 10.7 L/100km |
| Fuel Consumption City | 14 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 81 L | 64 L |
