2007 Alpina B5 vs. 2001 BMW Z18
To start off, 2007 Alpina B5 is newer by 6 year(s). Which means there will be less support and parts availability for 2001 BMW Z18. In addition, the cost of maintenance, including insurance, on 2001 BMW Z18 would be higher. At 4,400 cc (8 cylinders), 2001 BMW Z18 is equipped with a bigger engine. In terms of performance, 2007 Alpina B5 (493 HP @ 5500 RPM) has 170 more horse power than 2001 BMW Z18. (323 HP @ 7400 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2001 BMW Z18. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina B5 weights approximately 22 kg more than 2001 BMW Z18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 BMW Z18 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alpina B5. In wet, icy, snow, or gravel driving conditions, 2001 BMW Z18 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, 2007 Alpina B5 (700 Nm) has 360 more torque (in Nm) than 2001 BMW Z18. (340 Nm). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2001 BMW Z18.
Compare all specifications:
| 2007 Alpina B5 | 2001 BMW Z18 | |
| Make | Alpina | BMW |
| Model | B5 | Z18 |
| Year Released | 2007 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4400 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 493 HP | 323 HP |
| Engine RPM | 5500 RPM | 7400 RPM |
| Torque | 700 Nm | 340 Nm |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1722 kg | 1700 kg |
| Wheelbase Size | 2890 mm | 2730 mm |
| Fuel Tank Capacity | 70 L | 63 L |
