2003 Mazda Roadster vs. 2009 Nissan GT-R
To start off, 2009 Nissan GT-R 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 3,799 cc (6 cylinders), 2009 Nissan GT-R is equipped with a bigger engine. In terms of performance, 2009 Nissan GT-R (481 HP @ 6400 RPM) has 324 more horse power than 2003 Mazda Roadster. (157 HP @ 7000 RPM) In normal driving conditions, 2009 Nissan GT-R should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2009 Nissan GT-R weights approximately 545 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 Nissan GT-R 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 Nissan GT-R 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 Nissan GT-R (583 Nm @ 3200 RPM) has 413 more torque (in Nm) than 2003 Mazda Roadster. (170 Nm @ 5500 RPM). This means 2009 Nissan GT-R will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster.
Compare all specifications:
| 2003 Mazda Roadster | 2009 Nissan GT-R | |
| Make | Mazda | Nissan |
| Model | Roadster | GT-R |
| Year Released | 2003 | 2009 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1839 cc | 3799 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 157 HP | 481 HP |
| Engine RPM | 7000 RPM | 6400 RPM |
| Torque | 170 Nm | 583 Nm |
| Torque RPM | 5500 RPM | 3200 RPM |
| Engine Compression Ratio | 10.5:1 | 9.8:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1060 kg | 1605 kg |
| Vehicle Length | 3960 mm | 4660 mm |
| Vehicle Width | 1690 mm | 1900 mm |
| Vehicle Height | 1240 mm | 1380 mm |
| Wheelbase Size | 2370 mm | 2790 mm |
| Fuel Tank Capacity | 48 L | 74 L |
