2007 BMW 320 vs. 2003 Mazda 6
To start off, 2007 BMW 320 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Mazda 6. In addition, the cost of maintenance, including insurance, on 2003 Mazda 6 would be higher. At 1,998 cc (4 cylinders), 2003 Mazda 6 is equipped with a bigger engine. In terms of performance, 2007 BMW 320 (148 HP @ 6200 RPM) has 4 more horse power than 2003 Mazda 6. (144 HP @ 3500 RPM). In normal driving conditions, 2007 BMW 320 should accelerate faster than 2003 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda 6 weights approximately 90 kg more than 2007 BMW 320.
Let's talk about torque, 2003 Mazda 6 (310 Nm @ 2000 RPM) has 110 more torque (in Nm) than 2007 BMW 320. (200 Nm @ 3600 RPM). This means 2003 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2007 BMW 320 | 2003 Mazda 6 | |
| Make | BMW | Mazda |
| Model | 320 | 6 |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 144 HP |
| Engine RPM | 6200 RPM | 3500 RPM |
| Torque | 200 Nm | 310 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 220 km/hour | 200 km/hour |
| Acceleration 0-100mph | 9 seconds | 10.7 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1395 kg | 1485 kg |
| Vehicle Length | 4530 mm | 4680 mm |
| Vehicle Width | 1430 mm | 1790 mm |
| Vehicle Height | 1880 mm | 1440 mm |
| Wheelbase Size | 2770 mm | 2680 mm |
| Fuel Consumption Overall | 7.4 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 60 L | 64 L |
