2009 BMW 318 vs. 2003 Mazda Roadster
To start off, 2009 BMW 318 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 1,993 cc (4 cylinders), 2009 BMW 318 is equipped with a bigger engine. In terms of performance, 2009 BMW 318 (148 HP @ 6200 RPM) has 30 more horse power than 2003 Mazda Roadster. (118 HP @ 6500 RPM). In normal driving conditions, 2009 BMW 318 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 318 weights approximately 365 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, 2009 BMW 318 (200 Nm @ 3600 RPM) has 60 more torque (in Nm) than 2003 Mazda Roadster. (140 Nm @ 5000 RPM). This means 2009 BMW 318 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster.
Compare all specifications:
| 2009 BMW 318 | 2003 Mazda Roadster | |
| Make | BMW | Mazda |
| Model | 318 | Roadster |
| Year Released | 2009 | 2003 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 118 HP |
| Engine RPM | 6200 RPM | 6500 RPM |
| Torque | 200 Nm | 140 Nm |
| Torque RPM | 3600 RPM | 5000 RPM |
| Engine Bore Size | 84 mm | 78 mm |
| Engine Stroke Size | 90 mm | 83.6 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1395 kg | 1030 kg |
| Vehicle Length | 4490 mm | 3960 mm |
| Vehicle Width | 1760 mm | 1690 mm |
| Vehicle Height | 1380 mm | 1240 mm |
| Wheelbase Size | 2730 mm | 2270 mm |
| Fuel Tank Capacity | 63 L | 48 L |
