Used Audi A3 Diesel for Sale in the UK

Reviewed by the Carslink.ai editorial team. Last updated 6 May 2026.

64 diesel Audi A3 cars available from independent UK dealers on Carslink.ai. Years range from 2008 to 2020.

The Audi A3 has consistently been a front-runner in the premium compact car segment since its introduction, spanning multiple generations. Known for its sophisticated styling, high-quality interior, and refined driving dynamics, it's a popular choice for those seeking a prestigious badge without the bulk of a larger saloon. It appeals to a wide audience, from young professionals to small families, offering a blend of practicality and luxury.

Why Buy a Used Audi A3?

• Premium feel at a more accessible price point than new, offering excellent value for money.
• Strong residual values mean it holds its worth well, benefiting future resale.
• A wide array of engines and trim levels ensures there's an A3 to suit almost every need and budget.
• High build quality and a comfortable, well-appointed cabin make for an enjoyable daily driving experience.

Typical Price Range

All prices are approximate and subject to change based on condition, mileage, specification, and market conditions.

• 2015–2018: £9,000 – £15,000 — Earlier 8V generation models, offering great value. Expect higher mileage but still a robust package.
• 2019–2021: £16,000 – £22,000 — Facelifted 8V models and early examples of the 8Y generation. Often come with updated infotainment and driver assistance features.
• 2022–Present: £23,000 – £30,000+ — Nearly new 8Y generation models, often with low mileage and the remainder of the manufacturer's warranty. Prices are highly dependent on specification.

Common Issues to Check

• DSG (S tronic) gearbox issues: Some early models, particularly with higher mileage, can exhibit jerking or hesitation. Regular servicing of the gearbox oil is crucial.
• Water pump failures: A known weakness across some Audi engines, leading to coolant leaks and potential overheating if not addressed.
• Electrical glitches: Issues with infotainment systems, warning lights, or sensors can occasionally occur, though often resolved with software updates.
• Brake wear: More powerful engines or enthusiastic driving can lead to accelerated brake pad and disc wear.
• Suspension components: On models with sport suspension or larger wheels, wear to bushes and linkages can lead to knocking noises over uneven surfaces.

Running Costs

• Fuel Economy: 35 – 60 mpg (depending on engine, with diesels and mild-hybrids at the higher end)
• Insurance Group: Group 13 – 38 (widely varying based on engine, trim, and power output)
• Servicing: Generally moderate; main dealer servicing can be pricier, but independent Audi specialists offer competitive rates. Look for models with a full service history.

Which Variant Should I Choose?

• A3 '30 TFSI' (1.0L Petrol): Ideal for urban drivers and those with lower mileage needs. It's ULEZ compliant and offers excellent fuel economy and lower insurance premiums, without feeling underpowered for city driving.
• A3 '35 TDI' (2.0L Diesel): Perfect for motorway cruisers and business users. This diesel variant delivers impressive fuel economy and strong torque for effortless long journeys, often providing a refined and comfortable ride.
• A3 '40 TFSI' (2.0L Petrol): For drivers seeking a balance of performance and everyday usability. This engine offers a noticeable step up in power, making it engaging to drive while still being practical for daily commutes, often paired with Quattro all-wheel drive.
• S Line Trim: A popular choice for those wanting a sportier aesthetic. S Line models feature more aggressive body styling, larger alloy wheels, and a sportier interior with upgraded seats and trim, enhancing the visual appeal and driving feel.
• Sportback (5-door): The most practical A3 variant, especially for families or those needing extra cargo space. The five-door configuration and slightly larger boot make it more versatile and easier to access the rear seats compared to the three-door hatchback or saloon models.

All listings on Carslink.ai are sourced directly from dealer stock feeds. Always verify listing details, prices, and vehicle condition directly with the seller before purchasing.

Latest Listings

• 2016 AUDI A3 1.6 TDI ultra SE Technik Sportback Euro 6 (s/s) 5dr £5,895, 110,238 miles, Diesel, Manual
• 2016 AUDI A3 2.0 TDI S line Sportback Euro 6 (s/s) 5dr £10,599, 76,336 miles, Diesel, Manual
• 2017 AUDI A3 1.6 TDI S line £8,900, 108,000 miles, Diesel, Manual
• 2009 AUDI A3 1.6 TDI Euro 5 (s/s) 3dr £2,457, 168,533 miles, Diesel, Manual
• 2018 AUDI A3 1.6 TDI 30 S line £11,995, 67,844 miles, Diesel, Manual
• 2015 AUDI A3 1.6 TDI Sport Sportback Euro 6 (s/s) 5dr (Nav) £5,950, 109,332 miles, Diesel, Manual
• Audi A3 TDI SE TECHNIK £7,450, 99,000 miles, Diesel, Manual
• 2018 AUDI A3 2.0 TDI S line £12,850, 86,000 miles, Diesel, Automatic
• 2013 AUDI A3 1.6 TDI SE Sportback S Tronic Euro 5 (s/s) 5dr £5,490, 112,887 miles, Diesel, Automatic
• 2011 AUDI A3 2.0 TDI £2,600, 119,988 miles, Diesel, Manual
• 2015 AUDI A3 2.0 TDI SE Technik Sportback Euro 6 (s/s) 5dr £7,794, 79,789 miles, Diesel, Manual
• 2018 AUDI A3 2.0 TDI 35 S line S Tronic Euro 6 (s/s) 4dr £14,294, 70,776 miles, Diesel, Automatic

Search all Audi A3 cars (Diesel)

Legal Disclaimer: All listings on Carslink.ai are sourced directly from dealer stock feeds. Always verify listing details, prices, and vehicle condition directly with the seller before purchasing.