2007 Alfa Romeo 166 vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2007 Alfa Romeo 166 would be higher. At 3,000 cc (6 cylinders), 2011 BMW Z4 is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (300 HP @ 5800 RPM) has 83 more horse power than 2007 Alfa Romeo 166. (217 HP @ 6300 RPM) In normal driving conditions, 2011 BMW Z4 should accelerate faster than 2007 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW Z4 weights approximately 36 kg more than 2007 Alfa Romeo 166. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 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 2011 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2011 BMW Z4 (406 Nm @ 1400 RPM) has 141 more torque (in Nm) than 2007 Alfa Romeo 166. (265 Nm @ 5000 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 166. 2007 Alfa Romeo 166 has automatic transmission and 2011 BMW Z4 has manual transmission. 2011 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Alfa Romeo 166 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alfa Romeo 166 | 2011 BMW Z4 | |
| Make | Alfa Romeo | BMW |
| Model | 166 | Z4 |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 300 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 265 Nm | 406 Nm |
| Torque RPM | 5000 RPM | 1400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1554 kg | 1590 kg |
| Vehicle Length | 4730 mm | 4239 mm |
| Vehicle Width | 1810 mm | 1791 mm |
| Vehicle Height | 1420 mm | 1290 mm |
| Wheelbase Size | 2710 mm | 2497 mm |
| Fuel Tank Capacity | 69 L | 55 L |
