2003 Alpina B3 vs. 2002 BMW Z4
To start off, 2003 Alpina B3 is newer by 1 year(s). Which means there will be less support and parts availability for 2002 BMW Z4. In addition, the cost of maintenance, including insurance, on 2002 BMW Z4 would be higher. At 3,346 cc (6 cylinders), 2003 Alpina B3 is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (302 HP @ 6300 RPM) has 75 more horse power than 2002 BMW Z4. (227 HP @ 5900 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 2002 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 94 kg more than 2002 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 Alpina B3 (362 Nm @ 4800 RPM) has 62 more torque (in Nm) than 2002 BMW Z4. (300 Nm @ 3500 RPM). This means 2003 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2002 BMW Z4.
Compare all specifications:
2003 Alpina B3 | 2002 BMW Z4 | |
Make | Alpina | BMW |
Model | B3 | Z4 |
Year Released | 2003 | 2002 |
Body Type | Coupe | Convertible |
Engine Position | Front | Front |
Engine Size | 3346 cc | 2996 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 302 HP | 227 HP |
Engine RPM | 6300 RPM | 5900 RPM |
Torque | 362 Nm | 300 Nm |
Torque RPM | 4800 RPM | 3500 RPM |
Engine Bore Size | 87 mm | 84 mm |
Engine Stroke Size | 93.8 mm | 89.6 mm |
Engine Compression Ratio | 9.0:1 | 10.2:1 |
Drive Type | Rear | Rear |
Number of Seats | 4 seats | 2 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1480 kg | 1386 kg |
Vehicle Length | 4490 mm | 4100 mm |
Vehicle Width | 1760 mm | 1790 mm |
Vehicle Height | 1360 mm | 1310 mm |
Wheelbase Size | 2730 mm | 2500 mm |
Fuel Tank Capacity | 88 L | 55 L |