2003 Mazda Roadster vs. 2007 Mercedes-Benz C
To start off, 2007 Mercedes-Benz C is newer by 4 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 2,148 cc (4 cylinders), 2007 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz C (148 HP @ 4200 RPM) has 25 more horse power than 2003 Mazda Roadster. (123 HP @ 6500 RPM) In normal driving conditions, 2007 Mercedes-Benz C should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz C weights approximately 510 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.
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, 2007 Mercedes-Benz C (340 Nm @ 1800 RPM) has 198 more torque (in Nm) than 2003 Mazda Roadster. (142 Nm @ 5000 RPM). This means 2007 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster.
Compare all specifications:
| 2003 Mazda Roadster | 2007 Mercedes-Benz C | |
| Make | Mazda | Mercedes-Benz |
| Model | Roadster | C |
| Year Released | 2003 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2148 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 148 HP |
| Engine RPM | 6500 RPM | 4200 RPM |
| Torque | 142 Nm | 340 Nm |
| Torque RPM | 5000 RPM | 1800 RPM |
| Engine Compression Ratio | 9.4:1 | 18.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1030 kg | 1540 kg |
| Vehicle Length | 3960 mm | 4530 mm |
| Vehicle Width | 1690 mm | 1430 mm |
| Vehicle Height | 1240 mm | 1730 mm |
| Wheelbase Size | 2270 mm | 2720 mm |
| Fuel Tank Capacity | 48 L | 62 L |
