2003 Alpina B7 vs. 2006 Infiniti QX56
To start off, 2006 Infiniti QX56 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Alpina B7. In addition, the cost of maintenance, including insurance, on 2003 Alpina B7 would be higher. At 5,555 cc (8 cylinders), 2006 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2003 Alpina B7 (492 HP @ 5500 RPM) has 177 more horse power than 2006 Infiniti QX56. (315 HP @ 4900 RPM). In normal driving conditions, 2003 Alpina B7 should accelerate faster than 2006 Infiniti QX56. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B7 weights approximately 670 kg more than 2006 Infiniti QX56. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alpina B7. In wet, icy, snow, or gravel driving conditions, 2006 Infiniti QX56 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, 2003 Alpina B7 (700 Nm @ 4250 RPM) has 171 more torque (in Nm) than 2006 Infiniti QX56. (529 Nm @ 3600 RPM). This means 2003 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2006 Infiniti QX56.
Compare all specifications:
2003 Alpina B7 | 2006 Infiniti QX56 | |
Make | Alpina | Infiniti |
Model | B7 | QX56 |
Year Released | 2003 | 2006 |
Body Type | Sedan | SUV |
Engine Position | Front | Front |
Engine Size | 4399 cc | 5555 cc |
Engine Cylinders | 8 cylinders | 8 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 492 HP | 315 HP |
Engine RPM | 5500 RPM | 4900 RPM |
Torque | 700 Nm | 529 Nm |
Torque RPM | 4250 RPM | 3600 RPM |
Engine Compression Ratio | 9.0:1 | 9.8:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | 4WD |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 7 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1990 kg | 1320 kg |
Vehicle Length | 5180 mm | 5260 mm |
Vehicle Width | 1910 mm | 2010 mm |
Vehicle Height | 1450 mm | 1980 mm |
Wheelbase Size | 3000 mm | 3140 mm |
Fuel Tank Capacity | 88 L | 106 L |