2003 Alpina B3 vs. 2006 BMW Z4
To start off, 2006 BMW Z4 is newer by 3 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 3,344 cc (6 cylinders), 2003 Alpina B3 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (343 HP @ 7900 RPM) has 42 more horse power than 2003 Alpina B3. (301 HP @ 6200 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2003 Alpina B3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 313 kg more than 2006 BMW Z4.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2006 BMW Z4 (495 Nm @ 4900 RPM) has 133 more torque (in Nm) than 2003 Alpina B3. (362 Nm @ 4800 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina B3.
Compare all specifications:
2003 Alpina B3 | 2006 BMW Z4 | |
Make | Alpina | BMW |
Model | B3 | Z4 |
Year Released | 2003 | 2006 |
Body Type | Convertible | Coupe |
Engine Position | Front | Front |
Engine Size | 3344 cc | 3246 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 301 HP | 343 HP |
Engine RPM | 6200 RPM | 7900 RPM |
Torque | 362 Nm | 495 Nm |
Torque RPM | 4800 RPM | 4900 RPM |
Engine Compression Ratio | 10.0:1 | 11.5:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Drive Type | Rear | Rear |
Number of Seats | 4 seats | 2 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1645 kg | 1332 kg |
Vehicle Length | 4490 mm | 4100 mm |
Vehicle Width | 1760 mm | 1790 mm |
Vehicle Height | 1360 mm | 1300 mm |
Wheelbase Size | 2730 mm | 2500 mm |
Fuel Tank Capacity | 63 L | 60 L |