2003 Mazda Roadster vs. 2011 Infiniti M
To start off, 2011 Infiniti M is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Mazda Roadster. In addition, the cost of maintenance, including insurance, on 2003 Mazda Roadster would be higher. At 3,700 cc (6 cylinders), 2011 Infiniti M is equipped with a bigger engine. In terms of performance, 2011 Infiniti M (330 HP @ 7000 RPM) has 173 more horse power than 2003 Mazda Roadster. (157 HP @ 7000 RPM) In normal driving conditions, 2011 Infiniti M should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti M weights approximately 783 kg more than 2003 Mazda Roadster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Infiniti M is all wheel drive (AWD), it will have significant more traction and grip than 2003 Mazda Roadster. In wet, icy, snow, or gravel driving conditions, 2011 Infiniti M 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, 2011 Infiniti M (366 Nm @ 5200 RPM) has 196 more torque (in Nm) than 2003 Mazda Roadster. (170 Nm @ 5500 RPM). This means 2011 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster. 2011 Infiniti M has automatic transmission and 2003 Mazda Roadster has manual transmission. 2003 Mazda Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Infiniti M will be easier to drive especially in heavy traffic.
Compare all specifications:
2003 Mazda Roadster | 2011 Infiniti M | |
Make | Mazda | Infiniti |
Model | Roadster | M |
Year Released | 2003 | 2011 |
Body Type | Convertible | Sedan |
Engine Position | Front | Front |
Engine Size | 1839 cc | 3700 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Horse Power | 157 HP | 330 HP |
Engine RPM | 7000 RPM | 7000 RPM |
Torque | 170 Nm | 366 Nm |
Torque RPM | 5500 RPM | 5200 RPM |
Drive Type | Rear | AWD |
Transmission Type | Manual | Automatic |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1060 kg | 1843 kg |
Vehicle Length | 3960 mm | 4945 mm |
Vehicle Width | 1690 mm | 1844 mm |
Vehicle Height | 1240 mm | 1514 mm |
Wheelbase Size | 2370 mm | 2901 mm |
Fuel Tank Capacity | 48 L | 76 L |