2007 BMW 730 vs. 2003 Mazda Roadster
To start off, 2007 BMW 730 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 2,996 cc (6 cylinders), 2007 BMW 730 is equipped with a bigger engine. In terms of performance, 2007 BMW 730 (255 HP @ 6600 RPM) has 107 more horse power than 2003 Mazda Roadster. (148 HP @ 7000 RPM). In normal driving conditions, 2007 BMW 730 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 730 weights approximately 740 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 BMW 730 (300 Nm @ 2500 RPM) has 133 more torque (in Nm) than 2003 Mazda Roadster. (167 Nm @ 5500 RPM). This means 2007 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster.
Compare all specifications:
2007 BMW 730 | 2003 Mazda Roadster | |
Make | BMW | Mazda |
Model | 730 | Roadster |
Year Released | 2007 | 2003 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 2996 cc | 1838 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 255 HP | 148 HP |
Engine RPM | 6600 RPM | 7000 RPM |
Torque | 300 Nm | 167 Nm |
Torque RPM | 2500 RPM | 5500 RPM |
Engine Compression Ratio | 10.7:1 | 10.5:1 |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1820 kg | 1080 kg |
Vehicle Length | 5180 mm | 3960 mm |
Vehicle Width | 1910 mm | 1690 mm |
Vehicle Height | 1500 mm | 1240 mm |
Wheelbase Size | 3140 mm | 2270 mm |
Fuel Tank Capacity | 88 L | 48 L |