2003 Alpina B3 vs. 2012 Infiniti M
To start off, 2012 Infiniti M is newer by 9 year(s). Which means there will be less support and parts availability for 2003 Alpina B3. In addition, the cost of maintenance, including insurance, on 2003 Alpina B3 would be higher. At 5,600 cc (8 cylinders), 2012 Infiniti M is equipped with a bigger engine. In terms of performance, 2012 Infiniti M (420 HP @ 6000 RPM) has 118 more horse power than 2003 Alpina B3. (302 HP @ 6300 RPM) In normal driving conditions, 2012 Infiniti M should accelerate faster than 2003 Alpina B3. With that said, vehicle weight also plays an important factor in acceleration. 2012 Infiniti M weights approximately 343 kg more than 2003 Alpina B3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2012 Infiniti M (565 Nm @ 4400 RPM) has 203 more torque (in Nm) than 2003 Alpina B3. (362 Nm @ 4800 RPM). This means 2012 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina B3.
Compare all specifications:
| 2003 Alpina B3 | 2012 Infiniti M | |
| Make | Alpina | Infiniti |
| Model | B3 | M |
| Year Released | 2003 | 2012 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 5600 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 302 HP | 420 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 362 Nm | 565 Nm |
| Torque RPM | 4800 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1480 kg | 1823 kg |
| Vehicle Length | 4490 mm | 4945 mm |
| Vehicle Width | 1760 mm | 1844 mm |
| Vehicle Height | 1360 mm | 1501 mm |
| Wheelbase Size | 2730 mm | 2901 mm |
| Fuel Tank Capacity | 88 L | 76 L |
