2005 Alpina B3 vs. 2008 Infiniti M
To start off, 2008 Infiniti M is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Alpina B3. In addition, the cost of maintenance, including insurance, on 2005 Alpina B3 would be higher. At 4,493 cc (8 cylinders), 2008 Infiniti M is equipped with a bigger engine. In terms of performance, 2008 Infiniti M (325 HP @ 6400 RPM) has 24 more horse power than 2005 Alpina B3. (301 HP @ 6300 RPM) In normal driving conditions, 2008 Infiniti M should accelerate faster than 2005 Alpina B3. With that said, vehicle weight also plays an important factor in acceleration. 2008 Infiniti M weights approximately 357 kg more than 2005 Alpina B3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Infiniti M is four wheel drive (4WD), it will have significant more traction and grip than 2005 Alpina B3. In wet, icy, snow, or gravel driving conditions, 2008 Infiniti M 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, 2008 Infiniti M (456 Nm @ 4000 RPM) has 94 more torque (in Nm) than 2005 Alpina B3. (362 Nm @ 4800 RPM). This means 2008 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 2005 Alpina B3.
Compare all specifications:
| 2005 Alpina B3 | 2008 Infiniti M | |
| Make | Alpina | Infiniti |
| Model | B3 | M |
| Year Released | 2005 | 2008 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 4493 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 325 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 362 Nm | 456 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1480 kg | 1837 kg |
| Vehicle Length | 4490 mm | 4900 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1520 mm |
| Wheelbase Size | 2730 mm | 2910 mm |
| Fuel Tank Capacity | 88 L | 76 L |
