2003 Alpina B3 vs. 2010 Infiniti EX
To start off, 2010 Infiniti EX is newer by 7 year(s). Which means there will be less support and parts availability for 2003 Alpina B3. In addition, the cost of maintenance, including insurance, on 2003 Alpina B3 would be higher. At 3,696 cc (6 cylinders), 2010 Infiniti EX is equipped with a bigger engine. In terms of performance, 2010 Infiniti EX (317 HP @ 7000 RPM) has 16 more horse power than 2003 Alpina B3. (301 HP @ 6200 RPM) In normal driving conditions, 2010 Infiniti EX should accelerate faster than 2003 Alpina B3. With that said, vehicle weight also plays an important factor in acceleration. 2010 Infiniti EX weights approximately 74 kg more than 2003 Alpina B3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 Infiniti EX is four wheel drive (4WD), it will have significant more traction and grip than 2003 Alpina B3. In wet, icy, snow, or gravel driving conditions, 2010 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, 2003 Alpina B3 (362 Nm @ 4800 RPM) has 2 more torque (in Nm) than 2010 Infiniti EX. (360 Nm @ 5200 RPM). This means 2003 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2010 Infiniti EX.
Compare all specifications:
| 2003 Alpina B3 | 2010 Infiniti EX | |
| Make | Alpina | Infiniti |
| Model | B3 | EX |
| Year Released | 2003 | 2010 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3344 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 | 317 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 362 Nm | 360 Nm |
| Torque RPM | 4800 RPM | 5200 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1645 kg | 1719 kg |
| Vehicle Length | 4490 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1810 mm |
| Vehicle Height | 1360 mm | 1600 mm |
| Wheelbase Size | 2730 mm | 2810 mm |
| Fuel Tank Capacity | 63 L | 82 L |
