heyAI search results

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!

170 5-Seater Audi A6 cars under £40000 for sale

Sort by
  • Relevance
  • Distance
  • Age (oldest)
  • Age (newest)
  • Price (lowest)
  • Price (highest)
  • Miles (lowest)
  • Miles (highest)
  • Newly listed

Audi A640 TFSI S Line 4dr S Tronic

2025
4,001 miles
Petrol

£34,755

or £501 mo
G524UB

*Representative example: Contract Length: 48 months, 47 Monthly Payments: £500.31, Customer Deposit: £5,213.00, Total Deposit: £5,463.25, Optional Final Payment: £15,187.50, Total Charge For Credit: £9,420.32, Total Amount Payable: £44,175.32, Representative APR: 10.90%, Interest Rate (Fixed): 10.90%, Excess Mileage Charge: 9.00ppm, Mileage Per Annum: 10,000

Audi A640 TFSI Sport 4dr S Tronic

2022
16,807 miles
Petrol

£23,750

or £359 mo
SS67UQ

*Representative example: Contract Length: 48 months, 46 Monthly Payments: £358.42, Customer Deposit: £3,562.00, Total Deposit: £3,562.50, Optional Final Payment: £9,608.00, Total Charge For Credit: £6,311.24, Total Amount Payable: £30,061.24, Representative APR: 10.90%, Interest Rate (Fixed): 10.90%, Excess Mileage Charge: 12.50ppm, Mileage Per Annum: 10,000

Audi A645 TFSI Quattro Sport 4dr S Tronic

2020
35,010 miles
Petrol

£19,291

or £289 mo
CT47HF

*Representative example: Contract Length: 48 months, 47 Monthly Payments: £288.14, Customer Deposit: £2,893.00, Total Deposit: £2,893.65, Optional Final Payment: £9,785.00, Total Charge For Credit: £6,940.23, Total Amount Payable: £26,231.23, Representative APR: 13.80%, Interest Rate (Fixed): 13.82%, Excess Mileage Charge: 9.00ppm, Mileage Per Annum: 10,000

163-180 of 170 vehicles