2005 Infiniti Q45 vs. 2012 Alpina B7
To start off, 2012 Alpina B7 is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2005 Infiniti Q45 would be higher. At 4,490 cc (8 cylinders), 2005 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2012 Alpina B7 (500 HP) has 160 more horse power than 2005 Infiniti Q45. (340 HP) In normal driving conditions, 2012 Alpina B7 should accelerate faster than 2005 Infiniti Q45. With that said, vehicle weight also plays an important factor in acceleration. 2012 Alpina B7 weights approximately 303 kg more than 2005 Infiniti Q45. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Alpina B7 is all wheel drive (AWD), it will have significant more traction and grip than 2005 Infiniti Q45. In wet, icy, snow, or gravel driving conditions, 2012 Alpina B7 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, 2012 Alpina B7 (699 Nm) has 246 more torque (in Nm) than 2005 Infiniti Q45. (453 Nm). This means 2012 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Infiniti Q45.
Compare all specifications:
| 2005 Infiniti Q45 | 2012 Alpina B7 | |
| Make | Infiniti | Alpina |
| Model | Q45 | B7 |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4490 cc | 4400 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 500 HP |
| Torque | 453 Nm | 699 Nm |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1837 kg | 2140 kg |
| Vehicle Length | 5080 mm | 5085 mm |
| Vehicle Width | 1850 mm | 1902 mm |
| Vehicle Height | 1500 mm | 1483 mm |
| Wheelbase Size | 2880 mm | 3071 mm |
| Fuel Consumption | 9.4 L/100km | 11.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 81 L | 82 L |
