2003 BMW 520 vs. 2009 Mazda CX-7
To start off, 2009 Mazda CX-7 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 BMW 520. In addition, the cost of maintenance, including insurance, on 2003 BMW 520 would be higher. At 2,260 cc (4 cylinders), 2009 Mazda CX-7 is equipped with a bigger engine. In terms of performance, 2009 Mazda CX-7 (244 HP @ 5000 RPM) has 77 more horse power than 2003 BMW 520. (167 HP @ 6100 RPM) In normal driving conditions, 2009 Mazda CX-7 should accelerate faster than 2003 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 520 weights approximately 338 kg more than 2009 Mazda CX-7.
Because 2009 Mazda CX-7 is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 520. In wet, icy, snow, or gravel driving conditions, 2009 Mazda CX-7 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 Mazda CX-7 (350 Nm @ 2500 RPM) has 140 more torque (in Nm) than 2003 BMW 520. (210 Nm @ 3500 RPM). This means 2009 Mazda CX-7 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 520. 2009 Mazda CX-7 has automatic transmission and 2003 BMW 520 has manual transmission. 2003 BMW 520 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mazda CX-7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 520 | 2009 Mazda CX-7 | |
| Make | BMW | Mazda |
| Model | 520 | CX-7 |
| Year Released | 2003 | 2009 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 2260 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 167 HP | 244 HP |
| Engine RPM | 6100 RPM | 5000 RPM |
| Torque | 210 Nm | 350 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Engine Compression Ratio | 10.7:1 | 10.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1332 kg |
| Vehicle Length | 4810 mm | 4680 mm |
| Vehicle Width | 1810 mm | 1880 mm |
| Vehicle Height | 1450 mm | 1650 mm |
| Wheelbase Size | 2890 mm | 2760 mm |
| Fuel Consumption | 7.5 L/100km | 10.7 L/100km |
| Fuel Consumption City | 12.8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 9.5 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 69 L |
