2006 Jeep Commander vs. 2003 Mazda Roadster
To start off, 2006 Jeep Commander is newer by 3 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 4,703 cc, 2006 Jeep Commander is equipped with a bigger engine. In terms of performance, 2006 Jeep Commander (235 HP @ 4500 RPM) has 78 more horse power than 2003 Mazda Roadster. (157 HP @ 7000 RPM). In normal driving conditions, 2006 Jeep Commander should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2006 Jeep Commander weights approximately 617 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 2006 Jeep Commander 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, 2006 Jeep Commander 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, 2006 Jeep Commander (414 Nm @ 3600 RPM) has 244 more torque (in Nm) than 2003 Mazda Roadster. (170 Nm @ 5500 RPM). This means 2006 Jeep Commander will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster. 2006 Jeep Commander 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. 2006 Jeep Commander will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Jeep Commander | 2003 Mazda Roadster | |
| Make | Jeep | Mazda |
| Model | Commander | Roadster |
| Year Released | 2006 | 2003 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4703 cc | 1839 cc |
| Horse Power | 235 HP | 157 HP |
| Engine RPM | 4500 RPM | 7000 RPM |
| Torque | 414 Nm | 170 Nm |
| Torque RPM | 3600 RPM | 5500 RPM |
| Engine Bore Size | 88 mm | 83 mm |
| Engine Stroke Size | 101 mm | 85 mm |
| Engine Compression Ratio | 9.1:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1677 kg | 1060 kg |
| Vehicle Length | 4790 mm | 3960 mm |
| Vehicle Width | 1910 mm | 1690 mm |
| Vehicle Height | 1830 mm | 1240 mm |
| Wheelbase Size | 2790 mm | 2370 mm |
| Fuel Tank Capacity | 78 L | 48 L |
