Company car tax summary tables

BMW 4 Series Convertible company car tax rates for 2026/27. Below is a list of currently available new models showing a starting rate for a 20% tax payer.

Select a car to see the P11D value, CO₂ emissions and BIK rates calculated for the next three years.

List of all BMW 4 Series Convertible derivatives

• 420i M Sport Auto from £314 per month
• 420i M Sport Pro Auto from £338 per month
• M440i (MHT) xDrive Auto from £424 per month