2003 Mazda Roadster vs. 2011 Porsche 911
To start off, 2011 Porsche 911 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 3,800 cc (6 cylinders), 2011 Porsche 911 is equipped with a bigger engine. In terms of performance, 2011 Porsche 911 (530 HP @ 6250 RPM) has 373 more horse power than 2003 Mazda Roadster. (157 HP @ 7000 RPM) In normal driving conditions, 2011 Porsche 911 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2011 Porsche 911 weights approximately 600 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 Porsche 911 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 Porsche 911 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 Porsche 911 (699 Nm @ 2100 RPM) has 529 more torque (in Nm) than 2003 Mazda Roadster. (170 Nm @ 5500 RPM). This means 2011 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster.
Compare all specifications:
| 2003 Mazda Roadster | 2011 Porsche 911 | |
| Make | Mazda | Porsche |
| Model | Roadster | 911 |
| Year Released | 2003 | 2011 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1839 cc | 3800 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 157 HP | 530 HP |
| Engine RPM | 7000 RPM | 6250 RPM |
| Torque | 170 Nm | 699 Nm |
| Torque RPM | 5500 RPM | 2100 RPM |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1060 kg | 1660 kg |
| Vehicle Length | 3960 mm | 4478 mm |
| Vehicle Width | 1690 mm | 1852 mm |
| Vehicle Height | 1240 mm | 1300 mm |
| Wheelbase Size | 2370 mm | 2350 mm |
| Fuel Tank Capacity | 48 L | 67 L |
