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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)

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73 Audi A6 cars under £25000 for sale

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Newly listed

Audi A640 TDI Black Edition 4dr S Tronic

£24,995

*Representative example: Contract Length: 48 months, 48 Monthly Payments: £561.52, Customer Deposit: £3,749.00, Total Deposit: £3,749.25, Total Charge For Credit: £5,707.21, Total Amount Payable: £30,702.21, Representative APR: 12.90%, Interest Rate (Fixed): 12.90%

Audi A640 TDI Sport 4dr S Tronic

£17,495

Audi A640 TDI S Line 4dr S Tronic

£21,480

Audi A61.8 TFSI Black Edition 4dr S Tronic

£16,118

Audi A650 TFSI e Quattro Sport 4dr S Tronic

£21,764

Audi A62.0 TDI Quattro Black Edition 4dr S Tronic

£16,000

Audi A640 TFSI Sport 4dr S Tronic

£22,280

Audi A62.0 TDI Ultra Black Edition 4dr S Tronic

£14,138

Audi A640 TDI S Line 4dr S Tronic

£21,644

Audi A62.0 TDI Quattro Black Edition 4dr S Tronic

£19,500

Audi A640 TFSI Black Edition 4dr S Tronic

£24,950

Audi A640 TDI S Line 4dr S Tronic

£22,837

Audi A62.0 TDI Ultra SE Executive 4dr S Tronic

£12,148

Audi A640 TDI S Line 4dr S Tronic

£20,425

*Representative example: Contract Length: 48 months, 48 Monthly Payments: £458.85, Customer Deposit: £3,063.00, Total Deposit: £3,063.75, Total Charge For Credit: £4,663.55, Total Amount Payable: £25,088.55, Representative APR: 12.90%, Interest Rate (Fixed): 6.72%

Audi A640 TDI Sport 4dr S Tronic

£21,850

Audi A640 TDI S Line 4dr S Tronic

£21,195

*Representative example: Contract Length: 48 months, 48 Monthly Payments: £460.31, Customer Deposit: £3,179.00, Total Deposit: £3,179.25, Total Charge For Credit: £4,079.13, Total Amount Payable: £25,274.13, Representative APR: 10.90%, Interest Rate (Fixed): 10.90%

Audi A640 TFSI Sport 4dr S Tronic

£22,177

*Representative example: Contract Length: 48 months, 47 Monthly Payments: £310.28, Customer Deposit: £3,326.00, Total Deposit: £3,326.55, Optional Final Payment: £11,147.50, Total Charge For Credit: £6,880.21, Total Amount Payable: £29,057.21, Representative APR: 11.90%, Interest Rate (Fixed): 11.89%, Excess Mileage Charge: 9.00ppm, Mileage Per Annum: 10,000