2005 Alfa Romeo 166 vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 166 would be higher. At 3,246 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 165 more horse power than 2005 Alfa Romeo 166. (173 HP @ 4000 RPM) In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2005 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 166 weights approximately 120 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, 2005 Alfa Romeo 166, 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, 2005 Alfa Romeo 166 (385 Nm @ 2000 RPM) has 20 more torque (in Nm) than 2008 BMW Z4. (365 Nm @ 4900 RPM). This means 2005 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW Z4.
Compare all specifications:
| 2005 Alfa Romeo 166 | 2008 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | 166 | Z4 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 3246 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 338 HP |
| Engine RPM | 4000 RPM | 7900 RPM |
| Torque | 385 Nm | 365 Nm |
| Torque RPM | 2000 RPM | 4900 RPM |
| Engine Compression Ratio | 18.5:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 217 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 5 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1615 kg | 1495 kg |
| Vehicle Length | 4730 mm | 4870 mm |
| Vehicle Width | 1810 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2500 mm |
| Fuel Consumption Overall | 7.2 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 72 L | 60 L |
