BMW Z4 2.0 litre is the cheapest roadster in its market.

BMW 2.0-litre version of its Z4 roadster price starts around £23,000.

This undercuts its main rival, the Mercedes SLK roadster, whose base model costs from £27,470.

This model is powered by a 150bhp unit and is capable of 0-62mph in 8.2sec and a top speed of 136mph.

Standard features on the base 2.0-litre Z4 include 16-inch alloy wheels, stability control and air-conditioning. An SE pack adds an automatically folding roof, front fog lamps, heated door mirrors and an on-board computer.

Read BMW Z4 Car Review