2003 Mazda Roadster vs. 2005 Mercedes-Benz S
To start off, 2005 Mercedes-Benz S is newer by 2 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 3,724 cc (6 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz S (242 HP @ 5700 RPM) has 85 more horse power than 2003 Mazda Roadster. (157 HP @ 7000 RPM) In normal driving conditions, 2005 Mercedes-Benz S should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 750 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, 2005 Mercedes-Benz S (350 Nm @ 3000 RPM) has 180 more torque (in Nm) than 2003 Mazda Roadster. (170 Nm @ 5500 RPM). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster. 2005 Mercedes-Benz S 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. 2005 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Mazda Roadster | 2005 Mercedes-Benz S | |
| Make | Mazda | Mercedes-Benz |
| Model | Roadster | S |
| Year Released | 2003 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1839 cc | 3724 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 157 HP | 242 HP |
| Engine RPM | 7000 RPM | 5700 RPM |
| Torque | 170 Nm | 350 Nm |
| Torque RPM | 5500 RPM | 3000 RPM |
| Engine Bore Size | 83 mm | 97.1 mm |
| Engine Stroke Size | 85 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1060 kg | 1810 kg |
| Vehicle Length | 3960 mm | 5050 mm |
| Vehicle Width | 1690 mm | 1860 mm |
| Vehicle Height | 1240 mm | 1450 mm |
| Wheelbase Size | 2370 mm | 2860 mm |
| Fuel Tank Capacity | 48 L | 88 L |
