To estimate the price of the 2018 Audi A4 30 TFSI I4 1.4 Turbo Charged 40 TFSI (Mid) with 84000 km, I analyzed the listed prices of similar cars. The closest match is a 2018 Audi A4 30 TFSI I4 1.4 Turbo Charged, 40 TFSI (Mid) with the same mileage listed for AED 77000. Other relevant data points include a 2016 Audi A4 2.0L I4, 40 TFSI (Mid) with 80700 km listed for AED 58500, and a 2017 Audi A4 1.4L I4, 30 TFSI (Base) with 99000 km listed for AED 57000. Considering the car's condition and mileage, and adjusting for the fact that listed prices are generally higher than selling prices, I estimate the market price accordingly.