2008 Alfa Romeo 159 vs. 2006 BMW Z4
To start off, 2008 Alfa Romeo 159 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 3,195 cc (6 cylinders), 2008 Alfa Romeo 159 is equipped with a bigger engine. In terms of performance, 2008 Alfa Romeo 159 (256 HP @ 6200 RPM) has 67 more horse power than 2006 BMW Z4. (189 HP @ 6000 RPM). In normal driving conditions, 2008 Alfa Romeo 159 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Alfa Romeo 159 weights approximately 405 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Alfa Romeo 159 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2008 Alfa Romeo 159 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, 2008 Alfa Romeo 159 (323 Nm @ 4500 RPM) has 78 more torque (in Nm) than 2006 BMW Z4. (245 Nm @ 3500 RPM). This means 2008 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2008 Alfa Romeo 159 | 2006 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | 159 | Z4 |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3195 cc | 2492 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 256 HP | 189 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 323 Nm | 245 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 240 km/hour | 235 km/hour |
| Acceleration 0-100mph | 7 seconds | 7 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1740 kg | 1335 kg |
| Vehicle Length | 4180 mm | 4100 mm |
| Vehicle Width | 1830 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2710 mm | 2500 mm |
| Fuel Consumption Overall | 11.5 L/100km | 9 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
