2005 BMW X5 vs. 2003 Mazda Roadster
To start off, 2005 BMW X5 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 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 67 more horse power than 2003 Mazda Roadster. (148 HP @ 7000 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 1090 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 2005 BMW X5 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, 2005 BMW X5 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 353 more torque (in Nm) than 2003 Mazda Roadster. (167 Nm @ 5500 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster. 2003 Mazda Roadster has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Mazda Roadster will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW X5 | 2003 Mazda Roadster | |
| Make | BMW | Mazda |
| Model | X5 | Roadster |
| Year Released | 2005 | 2003 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 1838 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 148 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 520 Nm | 167 Nm |
| Torque RPM | 2000 RPM | 5500 RPM |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 90 mm | 85 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2170 kg | 1080 kg |
| Vehicle Length | 4670 mm | 3960 mm |
| Vehicle Width | 1880 mm | 1690 mm |
| Vehicle Height | 1720 mm | 1240 mm |
| Wheelbase Size | 2830 mm | 2270 mm |
| Fuel Tank Capacity | 93 L | 48 L |
