2007 Alfa Romeo 159 vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Alfa Romeo 159. In addition, the cost of maintenance, including insurance, on 2007 Alfa Romeo 159 would be higher. At 1,995 cc (4 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, both vehicles can yield 148 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 159 weights approximately 365 kg more than 2008 BMW Z4.
Because 2008 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 2008 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Alfa Romeo 159 (320 Nm @ 2000 RPM) has 120 more torque (in Nm) than 2008 BMW Z4. (200 Nm @ 3600 RPM). This means 2007 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2007 Alfa Romeo 159 | 2008 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | 159 | Z4 |
| Year Released | 2007 | 2008 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 148 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 320 Nm | 200 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Engine Bore Size | 82.1 mm | 84 mm |
| Engine Stroke Size | 90.4 mm | 90 mm |
| Engine Compression Ratio | 17.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 9.6 seconds | 8.2 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1660 kg | 1295 kg |
| Vehicle Length | 4670 mm | 4100 mm |
| Vehicle Width | 1840 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1310 mm |
| Wheelbase Size | 2710 mm | 2500 mm |
| Fuel Consumption Overall | 6.1 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
