2003 Alpina B7 vs. 2005 Mazda 6
To start off, 2005 Mazda 6 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Alpina B7. In addition, the cost of maintenance, including insurance, on 2003 Alpina B7 would be higher. At 4,396 cc (8 cylinders), 2003 Alpina B7 is equipped with a bigger engine. In terms of performance, 2003 Alpina B7 (492 HP @ 5500 RPM) has 332 more horse power than 2005 Mazda 6. (160 HP @ 6500 RPM). In normal driving conditions, 2003 Alpina B7 should accelerate faster than 2005 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B7 weights approximately 570 kg more than 2005 Mazda 6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Alpina B7 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2003 Alpina B7. However, in wet, icy, snow, or gravel driving conditions, 2005 Mazda 6, being front wheel drive (FWD), will offer much better control with better grip. 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 Alpina B7 (700 Nm) has 470 more torque (in Nm) than 2005 Mazda 6. (230 Nm). This means 2003 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda 6.
Compare all specifications:
| 2003 Alpina B7 | 2005 Mazda 6 | |
| Make | Alpina | Mazda |
| Model | B7 | 6 |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 2261 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 160 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 700 Nm | 230 Nm |
| Engine Bore Size | 92 mm | 87 mm |
| Engine Stroke Size | 82.7 mm | 94 mm |
| Engine Compression Ratio | 9.0:1 | 9.7:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2000 kg | 1430 kg |
| Vehicle Length | 5040 mm | 4750 mm |
| Vehicle Width | 1910 mm | 1790 mm |
| Vehicle Height | 1500 mm | 1450 mm |
| Wheelbase Size | 3000 mm | 2680 mm |
| Fuel Consumption Overall | 11.2 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 88 L | 68 L |
