2006 Alfa Romeo 159 vs. 2006 BMW Z4
To start off, both 2006 Alfa Romeo 159 and 2006 BMW Z4 were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,999 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (255 HP @ 6600 RPM) has 137 more horse power than 2006 Alfa Romeo 159. (118 HP @ 4000 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2006 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 233 kg more than 2006 Alfa Romeo 159. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW Z4 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2006 Alfa Romeo 159, being front wheel drive (FWD), will offer much better control with better grip. 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 (298 Nm @ 2750 RPM) has 18 more torque (in Nm) than 2006 Alfa Romeo 159. (280 Nm @ 2000 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 159.
Compare all specifications:
| 2006 Alfa Romeo 159 | 2006 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | 159 | Z4 |
| Year Released | 2006 | 2006 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 2999 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 118 HP | 255 HP |
| Engine RPM | 4000 RPM | 6600 RPM |
| Torque | 280 Nm | 298 Nm |
| Torque RPM | 2000 RPM | 2750 RPM |
| Engine Compression Ratio | 18.0:1 | 10.7:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1602 kg | 1835 kg |
| Vehicle Length | 4670 mm | 4100 mm |
| Vehicle Width | 1830 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1270 mm |
| Wheelbase Size | 2710 mm | 2500 mm |
| Fuel Consumption | 4.8 L/100km | 7.8 L/100km |
| Fuel Consumption Overall | 6 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
