2003 Mazda 6 vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 10 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 4,395 cc (8 cylinders), 2013 BMW 7 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 7 Series (439 HP @ 5500 RPM) has 320 more horse power than 2003 Mazda 6. (119 HP @ 5300 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 2003 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 757 kg more than 2003 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW 7 Series is all wheel drive (AWD), it will have significant more traction and grip than 2003 Mazda 6. In wet, icy, snow, or gravel driving conditions, 2013 BMW 7 Series 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, 2013 BMW 7 Series (651 Nm @ 4500 RPM) has 483 more torque (in Nm) than 2003 Mazda 6. (168 Nm @ 4500 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda 6. 2013 BMW 7 Series has automatic transmission and 2003 Mazda 6 has manual transmission. 2003 Mazda 6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 7 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Mazda 6 | 2013 BMW 7 Series | |
| Make | Mazda | BMW |
| Model | 6 | 7 Series |
| Year Released | 2003 | 2013 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 4395 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 119 HP | 439 HP |
| Engine RPM | 5300 RPM | 5500 RPM |
| Torque | 168 Nm | 651 Nm |
| Torque RPM | 4500 RPM | 4500 RPM |
| Engine Bore Size | 83.1 mm | 89 mm |
| Engine Stroke Size | 83.1 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 10.0 :1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1420 kg | 2177 kg |
| Vehicle Length | 4690 mm | 5214 mm |
| Vehicle Width | 1790 mm | 2134 mm |
| Vehicle Height | 1440 mm | 1481 mm |
| Wheelbase Size | 2680 mm | 3210 mm |
| Fuel Tank Capacity | 64 L | 80 L |
