Not may cars are known for the kind of dynamics they offer and the BMW Z4 is one of them. Last year BMW unveiled the updated version of the Z4 roadster, which happens to be the German automaker’s only two seat drop top model. For the new Z4, BMW has added a new entry level Z4 sDrive18i model, Pure Traction Design package and even more standard equipment. Talking about the new entry level model first, the Z4 sDrive18i is powered by a detuned version of the 2.0-litre four-cylinder twin-scroll turbocharged engine.

This very 1997cc unit produces 156hp at 5,000rpm which is good enough to propel the car from standstill to 62 mph in 7.9 seconds and attain a top speed of 137 mph. The sDrive18i manages to records 41.5 mpg along with a CO2 emission figure of 159 grams per kilometer. Aside from the new model, the Z4 sDrive20i also