2003 Mazda Roadster vs. 2009 Mazda CX-9
To start off, 2009 Mazda CX-9 is newer by 6 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 3,725 cc (6 cylinders), 2009 Mazda CX-9 is equipped with a bigger engine. In terms of performance, 2009 Mazda CX-9 (273 HP @ 6250 RPM) has 116 more horse power than 2003 Mazda Roadster. (157 HP @ 7000 RPM) In normal driving conditions, 2009 Mazda CX-9 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mazda CX-9 weights approximately 269 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 2009 Mazda CX-9 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Mazda Roadster. In wet, icy, snow, or gravel driving conditions, 2009 Mazda CX-9 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, 2009 Mazda CX-9 (366 Nm @ 4500 RPM) has 196 more torque (in Nm) than 2003 Mazda Roadster. (170 Nm @ 5500 RPM). This means 2009 Mazda CX-9 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster. 2009 Mazda CX-9 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. 2009 Mazda CX-9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Mazda Roadster | 2009 Mazda CX-9 | |
| Make | Mazda | Mazda |
| Model | Roadster | CX-9 |
| Year Released | 2003 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 1839 cc | 3725 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 157 HP | 273 HP |
| Engine RPM | 7000 RPM | 6250 RPM |
| Torque | 170 Nm | 366 Nm |
| Torque RPM | 5500 RPM | 4500 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 7 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1060 kg | 1329 kg |
| Vehicle Length | 3960 mm | 5080 mm |
| Vehicle Width | 1690 mm | 1940 mm |
| Vehicle Height | 1240 mm | 1730 mm |
| Wheelbase Size | 2370 mm | 2880 mm |
| Fuel Tank Capacity | 48 L | 76 L |
