2005 Alpina B3 vs. 2013 Infiniti EX
To start off, 2013 Infiniti EX is newer by 8 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 3,696 cc (6 cylinders), 2013 Infiniti EX is equipped with a bigger engine. In terms of performance, 2013 Infiniti EX (321 HP @ 7000 RPM) has 20 more horse power than 2005 Alpina B3. (301 HP @ 6300 RPM) In normal driving conditions, 2013 Infiniti EX should accelerate faster than 2005 Alpina B3. With that said, vehicle weight also plays an important factor in acceleration. 2013 Infiniti EX weights approximately 345 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 2013 Infiniti EX is all wheel drive (AWD), it will have significant more traction and grip than 2005 Alpina B3. In wet, icy, snow, or gravel driving conditions, 2013 Infiniti EX 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, both vehicles can yield 362 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 Alpina B3 | 2013 Infiniti EX | |
| Make | Alpina | Infiniti |
| Model | B3 | EX |
| Year Released | 2005 | 2013 |
| Body Type | Convertible | Crossover |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 3696 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 321 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 362 Nm | 362 Nm |
| Torque RPM | 4800 RPM | 5200 RPM |
| Engine Bore Size | 87 mm | 95 mm |
| Engine Stroke Size | 93.8 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Natural Gas (CNG) |
| Drive Type | Rear | AWD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1795 kg |
| Vehicle Length | 4480 mm | 4631 mm |
| Vehicle Width | 1760 mm | 1803 mm |
| Vehicle Height | 1400 mm | 1589 mm |
| Wheelbase Size | 2730 mm | 2850 mm |
