Audi Q3 (8U) common problems: what to check before you buy
Credov's researched list of the 7 faults the Audi Q3 (8U) is known for (2012–2018), 5 of them serious or costly. Each one says what to look for when you check the car, so you can spot it before you buy. Not every car has these faults: they are the ones worth checking on this model.
Known problems on the Audi Q3 (8U)
Piston ring wear and oil burning
Costly if missed
2012–2017 · 2.0 TFSI EA888 gen 3 · petrol · Engine
What to look for: Check the oil level, look for blue smoke at cold start, and ask if the pistons have been replaced.
Why it matters: A US class action (Gonzalez v. Volkswagen Group of America, D.N.J. 1:21-cv-15026, filed 9 Aug 2021) alleges that piston rings in these engines fail to seat and can fracture; a settlement reached preliminary approval and a claims site went live in 2024, covering 75% of repair cost for 9 yr / 90,000 mi in the United States.
What to look for: Cold engine: check coolant is at the line, then torch the gearbox side under the intake for pink crust or dampness.
Why it matters: A cracked thermostat housing that is ignored can let the engine overheat, and the pump and housing are usually replaced together as one job, so evidence of a leak or a prior repair affects what the car is worth.
What to look for: Cold engine: check coolant is at the line, then torch both ends of the engine for dried pink crust or dampness.
Why it matters: A slow leak that goes unnoticed can run the coolant low enough to overheat the engine, and a quality replacement (rather than a cheap generic unit) is needed to avoid a repeat failure, so repair history affects the car's value.
What to look for: On the test drive, feel for flat spots or reduced power, and check for an engine light or recent fault codes.
Why it matters: A sooted EGR valve left unaddressed causes rough running and can put the car into limp mode, and the valve or cooler replacement is a meaningful repair, so evidence of recent EGR work affects the car's value.
What to look for: Press the front footwell carpets under the mats for damp, and check the headlining near the A-pillars for water stains.
Why it matters: Water that pools in the footwells can reach wiring looms and control modules under the floor, so damp carpets or stained headlining point to a repair that goes beyond cleaning the drains.
What to look for: Ask for the record showing the brake light software recall was done, as this can't be tested at the kerb.
Why it matters: Australian recall PRA 2017/16192: if the electromechanical parking brake is used for emergency braking, the brake lights may not illuminate. Ordinary pedal braking is unaffected.
What to look for: Ask Audi NZ for the open recall list for this VIN, and look for Japanese recall stickers under the bonnet.
Why it matters: The Australian recall register covers Australian-delivered vehicles only - the recall index used throughout this overlay states that on every page. Recalls cited here were retrieved from that register and from NHTSA; the same factory campaigns ran in Japan under MLIT, but MLIT records were not retrieved in this session.
Got a question about a Audi Q3 (8U)? Ask Credov: a noise, a warning light, a part or how to fix it.
Also check on every car
On top of the faults above, every Credov inspection covers the basics: fuel smell, leaks or filler rust, engine oil leaks, power steering fluid leak, drive belt cracks or squeal, rust underneath: chassis and mounts, engine mounts, engine oil level and colour, coolant level, colour and leaks, head gasket failure signs, cold start: rattle, knock or smoke, rough or hunting idle, engine running hot on gauge, gearbox or diff oil leak, swapped gearbox without lvv and more.
Researched by Credov from manufacturer recalls and service bulletins, owner reports and workshop sources. Repair prices are typical ranges, not quotes. See also fault codes and repair costs.