2003 Alpina B7 vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alpina B7. In addition, the cost of maintenance, including insurance, on 2003 Alpina B7 would be higher. At 4,396 cc (8 cylinders), 2003 Alpina B7 is equipped with a bigger engine. In terms of performance, 2003 Alpina B7 (492 HP @ 5500 RPM) has 231 more horse power than 2009 BMW Z4. (261 HP @ 6600 RPM). In normal driving conditions, 2003 Alpina B7 should accelerate faster than 2009 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B7 weights approximately 605 kg more than 2009 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 B7 (700 Nm @ 3000 RPM) has 385 more torque (in Nm) than 2009 BMW Z4. (315 Nm @ 2750 RPM). This means 2003 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4. 2003 Alpina B7 has automatic transmission and 2009 BMW Z4 has manual transmission. 2009 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Alpina B7 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Alpina B7 | 2009 BMW Z4 | |
| Make | Alpina | BMW |
| Model | B7 | Z4 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4396 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 261 HP |
| Engine RPM | 5500 RPM | 6600 RPM |
| Torque | 700 Nm | 315 Nm |
| Torque RPM | 3000 RPM | 2750 RPM |
| Engine Bore Size | 92 mm | 85.1 mm |
| Engine Stroke Size | 82.7 mm | 88 mm |
| Engine Compression Ratio | 9.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 5.5 seconds | 5.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2000 kg | 1395 kg |
| Vehicle Length | 5040 mm | 4100 mm |
| Vehicle Width | 1910 mm | 1790 mm |
| Vehicle Height | 1500 mm | 1270 mm |
| Wheelbase Size | 3000 mm | 2500 mm |
| Fuel Consumption Overall | 11.2 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 88 L | 55 L |
