2006 Alpina B7 vs. 2005 Infiniti M
To start off, 2006 Alpina B7 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Infiniti M. In addition, the cost of maintenance, including insurance, on 2005 Infiniti M would be higher. At 4,494 cc (8 cylinders), 2005 Infiniti M is equipped with a bigger engine. In terms of performance, 2006 Alpina B7 (492 HP @ 5500 RPM) has 157 more horse power than 2005 Infiniti M. (335 HP @ 6400 RPM). In normal driving conditions, 2006 Alpina B7 should accelerate faster than 2005 Infiniti M. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alpina B7 weights approximately 210 kg more than 2005 Infiniti M. 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, 2006 Alpina B7 (700 Nm @ 4250 RPM) has 247 more torque (in Nm) than 2005 Infiniti M. (453 Nm @ 4000 RPM). This means 2006 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Infiniti M.
Compare all specifications:
| 2006 Alpina B7 | 2005 Infiniti M | |
| Make | Alpina | Infiniti |
| Model | B7 | M |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4494 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 335 HP |
| Engine RPM | 5500 RPM | 6400 RPM |
| Torque | 700 Nm | 453 Nm |
| Torque RPM | 4250 RPM | 4000 RPM |
| Engine Bore Size | 92 mm | 93 mm |
| Engine Stroke Size | 82.7 mm | 82.7 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1950 kg | 1740 kg |
| Vehicle Length | 5040 mm | 5020 mm |
| Vehicle Width | 1910 mm | 1780 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 3000 mm | 2810 mm |
| Fuel Tank Capacity | 88 L | 79 L |
