2003 BMW X5 vs. 2003 Mazda Roadster
To start off, both 2003 BMW X5 and 2003 Mazda Roadster were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2003 BMW X5 is equipped with a bigger engine. In terms of performance, 2003 BMW X5 (338 HP @ 6100 RPM) has 181 more horse power than 2003 Mazda Roadster. (157 HP @ 7000 RPM). In normal driving conditions, 2003 BMW X5 should accelerate faster than 2003 Mazda Roadster. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 1135 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 2003 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, 2003 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, 2003 BMW X5 (400 Nm @ 3700 RPM) has 230 more torque (in Nm) than 2003 Mazda Roadster. (170 Nm @ 5500 RPM). This means 2003 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda Roadster. 2003 BMW X5 has automatic transmission and 2003 Mazda Roadster has manual transmission. 2003 Mazda Roadster will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW X5 | 2003 Mazda Roadster | |
| Make | BMW | Mazda |
| Model | X5 | Roadster |
| Year Released | 2003 | 2003 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1839 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 338 HP | 157 HP |
| Engine RPM | 6100 RPM | 7000 RPM |
| Torque | 400 Nm | 170 Nm |
| Torque RPM | 3700 RPM | 5500 RPM |
| Engine Bore Size | 92 mm | 83 mm |
| Engine Stroke Size | 82.7 mm | 85 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2195 kg | 1060 kg |
| Vehicle Length | 4670 mm | 3960 mm |
| Vehicle Width | 1880 mm | 1690 mm |
| Vehicle Height | 1720 mm | 1240 mm |
| Wheelbase Size | 2730 mm | 2370 mm |
| Fuel Tank Capacity | 93 L | 48 L |
