2003 Alpina B3 vs. 2009 Infiniti EX
To start off, 2009 Infiniti EX is newer by 6 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 3,498 cc (6 cylinders), 2009 Infiniti EX is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6300 RPM) has 8 more horse power than 2009 Infiniti EX. (293 HP @ 6800 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 2009 Infiniti EX. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 281 kg more than 2009 Infiniti EX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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, 2009 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 19 more torque (in Nm) than 2009 Infiniti EX. (343 Nm @ 4800 RPM). This means 2003 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Infiniti EX.
Compare all specifications:
| 2003 Alpina B3 | 2009 Infiniti EX | |
| Make | Alpina | Infiniti |
| Model | B3 | EX |
| Year Released | 2003 | 2009 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 293 HP |
| Engine RPM | 6300 RPM | 6800 RPM |
| Torque | 362 Nm | 343 Nm |
| Torque RPM | 4800 RPM | 4800 RPM |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.8 seconds | 7.2 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2000 kg | 1719 kg |
| Vehicle Length | 4480 mm | 4640 mm |
| Vehicle Width | 1750 mm | 1810 mm |
| Vehicle Height | 1420 mm | 1600 mm |
| Wheelbase Size | 3000 mm | 2810 mm |
| Fuel Consumption Overall | 11.1 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 63 L | 82 L |
