2007 BMW Z4 vs. 2008 Alfa Romeo 156
To start off, 2008 Alfa Romeo 156 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 2,996 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (335 HP @ 7900 RPM) has 146 more horse power than 2008 Alfa Romeo 156. (189 HP @ 6300 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2008 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2008 Alfa Romeo 156 weights approximately 45 kg more than 2007 BMW Z4.
Because 2007 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 2007 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2008 Alfa Romeo 156, 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 BMW Z4 (315 Nm @ 2750 RPM) has 97 more torque (in Nm) than 2008 Alfa Romeo 156. (218 Nm @ 5000 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 156. 2007 BMW Z4 has automatic transmission and 2008 Alfa Romeo 156 has manual transmission. 2008 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW Z4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 2008 Alfa Romeo 156 | |
| Make | BMW | Alfa Romeo |
| Model | Z4 | 156 |
| Year Released | 2007 | 2008 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2490 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 189 HP |
| Engine RPM | 7900 RPM | 6300 RPM |
| Torque | 315 Nm | 218 Nm |
| Torque RPM | 2750 RPM | 5000 RPM |
| Engine Compression Ratio | 11.5:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 6.2 seconds | 7.3 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1355 kg |
| Vehicle Length | 4100 mm | 4440 mm |
| Vehicle Width | 1790 mm | 1750 mm |
| Vehicle Height | 1310 mm | 1440 mm |
| Wheelbase Size | 2500 mm | 2600 mm |
| Fuel Consumption Overall | 9.5 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
