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Hey there!

Our new heyAI search is still learning, and getting smarter everyday to bring you exactly what you're looking for.

For best results, try using clear, specific phrases like this:

Make and model (VW Golf GTI)
Colour and body type (e.g. SUV, hatchback)
Fuel type (petrol, diesel, electric, hybrid)
Age of the vehicle (less than 3 years old)
Mileage (less than 10k miles)
Your budget (total/monthly)

We're constantly improving to make your car search easier. Thanks for your patience!

72 BMW 4 Series cars under £31000 for sale

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BMW 4 Series430i [245] M Sport 2dr Step Auto

£28,500

*Representative example: Contract Length: 48 months, 47 Monthly Payments: £473.39, Customer Deposit: £4,275.00, Total Deposit: £4,275.00, Optional Final Payment: £11,593.86, Total Charge For Credit: £9,618.19, Total Amount Payable: £38,118.19, Representative APR: 13.90%, Interest Rate (Fixed): 13.90%, Excess Mileage Charge: 9.06ppm, Mileage Per Annum: 10,000

BMW 4 Series420i M Sport 2dr Step Auto

£29,690

*Representative example: Contract Length: 48 months, 47 Monthly Payments: £408.93, Customer Deposit: £4,453.00, Total Deposit: £4,453.50, Optional Final Payment: £13,468.72, Total Charge For Credit: £7,451.93, Total Amount Payable: £37,141.93, Representative APR: 9.90%, Interest Rate (Fixed): 9.90%, Excess Mileage Charge: 10.05ppm, Mileage Per Annum: 10,000

BMW 4 Series420d [190] M Sport 2dr Auto [Professional Media]

£15,100

*Representative example: Contract Length: 48 months, 47 Monthly Payments: £344.86, Customer Deposit: £2,265.00, Total Deposit: £2,265.00, Total Charge For Credit: £3,719.28, Total Amount Payable: £18,819.28, Representative APR: 13.90%, Interest Rate (Fixed): 13.90%

BMW 4 Series420i M Sport 2dr Step Auto

£26,291

*Representative example: Contract Length: 48 months, 47 Monthly Payments: £418.68, Customer Deposit: £3,943.00, Total Deposit: £3,943.65, Optional Final Payment: £10,044.00, Total Charge For Credit: £7,374.61, Total Amount Payable: £33,665.61, Representative APR: 11.70%, Interest Rate (Fixed): 11.12%, Excess Mileage Charge: 9.60ppm, Mileage Per Annum: 10,000

BMW 4 Series440i M Sport 2dr Auto [Professional Media]

£21,360

BMW 4 Series420i xDrive M Sport 5dr Auto [Professional Media]

£18,226

*Representative example: Contract Length: 48 months, 47 Monthly Payments: £389.02, Customer Deposit: £2,733.00, Total Deposit: £2,733.90, Total Charge For Credit: £3,181.86, Total Amount Payable: £21,407.86, Representative APR: 9.90%, Interest Rate (Fixed): 9.90%