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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!

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3,264 Diesel cars under £20000 for sale

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Ford Focus ActiveVignale 1.5 EcoBlue 120 Active X 5dr Auto

£18,670

Audi A5 Cabriolet2.0 TDI S Line 2dr S Tronic

£18,800

*Representative example: Contract Length: 48 months, 48 Monthly Payments: £429.39, Customer Deposit: £2,820.00, Total Deposit: £2,820.00, Total Charge For Credit: £4,630.72, Total Amount Payable: £23,430.72, Representative APR: 13.90%, Interest Rate (Fixed): 13.07%

Vauxhall Vivaro2700 1.5d 100PS Sportive H1 Van

£15,958

Ford C-MAX2.0 TDCi Titanium X 5dr Powershift

£9,695

*Representative example: Contract Length: 48 months, 48 Monthly Payments: £217.80, Customer Deposit: £1,454.00, Total Deposit: £1,454.25, Total Charge For Credit: £2,213.65, Total Amount Payable: £11,908.65, Representative APR: 12.90%, Interest Rate (Fixed): 6.72%

Vauxhall Combo Life1.5 Turbo D 130 Energy 5dr Auto

£12,499

*Representative example: Contract Length: 48 months, 47 Monthly Payments: £276.14, Customer Deposit: £1,874.00, Total Deposit: £1,874.85, Total Charge For Credit: £2,631.57, Total Amount Payable: £15,130.57, Representative APR: 11.90%, Interest Rate (Fixed): 6.19%

Vauxhall Vivaro2900 1.5d 100PS Dynamic H1 Van

£14,398

Ford C-MAX1.5 TDCi Titanium 5dr

£7,799

*Representative example: Contract Length: 48 months, 48 Monthly Payments: £175.21, Customer Deposit: £1,169.00, Total Deposit: £1,169.85, Total Charge For Credit: £1,780.93, Total Amount Payable: £9,579.93, Representative APR: 12.90%, Interest Rate (Fixed): 6.72%

Vauxhall Vivaro2700 1.5d 120PS Sportive H1 Van

£17,158

Vauxhall Vivaro2900 1.5d 100PS Dynamic H1 Van

£14,830

Kia ProCeed1.6 CRDi ISG GT-Line 5dr DCT

£10,861

*Representative example: Contract Length: 48 months, 48 Monthly Payments: £239.12, Customer Deposit: £1,629.00, Total Deposit: £1,629.15, Total Charge For Credit: £2,245.91, Total Amount Payable: £13,106.91, Representative APR: 11.70%, Interest Rate (Fixed): 11.12%

Ford C-MAX1.5 TDCi Titanium 5dr

£12,240

*Representative example: Contract Length: 48 months, 48 Monthly Payments: £274.97, Customer Deposit: £1,836.00, Total Deposit: £1,836.00, Total Charge For Credit: £2,794.56, Total Amount Payable: £15,034.56, Representative APR: 12.90%, Interest Rate (Fixed): 6.72%