2006 Alpina B3 vs. 2003 Mazda 6
To start off, 2006 Alpina B3 is newer by 3 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 3,346 cc (6 cylinders), 2006 Alpina B3 is equipped with a bigger engine. In terms of performance, 2006 Alpina B3 (301 HP @ 6300 RPM) has 141 more horse power than 2003 Mazda 6. (160 HP @ 6500 RPM). In normal driving conditions, 2006 Alpina B3 should accelerate faster than 2003 Mazda 6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Mazda 6 weights approximately 155 kg more than 2006 Alpina B3.
Because 2003 Mazda 6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alpina B3. In wet, icy, snow, or gravel driving conditions, 2003 Mazda 6 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, 2006 Alpina B3 (362 Nm @ 4800 RPM) has 157 more torque (in Nm) than 2003 Mazda 6. (205 Nm @ 4000 RPM). This means 2006 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Mazda 6.
Compare all specifications:
| 2006 Alpina B3 | 2003 Mazda 6 | |
| Make | Alpina | Mazda |
| Model | B3 | 6 |
| Year Released | 2006 | 2003 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 2261 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 160 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 362 Nm | 205 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 87 mm | 87.5 mm |
| Engine Stroke Size | 93.1 mm | 94 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 271 km/hour | 190 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 12.3 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1605 kg |
| Vehicle Length | 4490 mm | 4710 mm |
| Vehicle Width | 1760 mm | 1790 mm |
| Vehicle Height | 1370 mm | 1500 mm |
| Wheelbase Size | 2730 mm | 2680 mm |
| Fuel Tank Capacity | 63 L | 62 L |
