Before you buy a used Audi Q3 (8U).
Taken only from Testigo's sourced sheets. Use it to question the seller and on the test drive: it does not confirm that any particular car is affected.
The essentials.
- 8 documented, sourced faults across its 4 engines.
- 5 of them depend on the equipment or the production date: ask what this car has.
- 1 official recall on record: ask for the chassis number (VIN) and confirm it has been done.
- According to the data we have, the engine with the fewest documented faults is the RS Q3 (2.5 TFSI) (Petrol).
Typical faults by engine
The period and mileage are those mentioned by each sheet's sources. They are not a maintenance interval and do not predict that any particular car will fail.
All versions
Sheets the catalogue links to all 4 of its engines.
- A/C not cooling: N280 valveClimate control
- Period mentioned
- 2006–2026
- Mileage mentioned
- The sheet does not mention a mileage.
Applies if: Only if fitted with the air conditioning system described.
- Haldex all-wheel-drive coupling pumpTransmission
- Period mentioned
- 2007–2020
- Mileage mentioned
- The sheet does not mention a mileage.
Applies if: Only all-wheel-drive versions (4Motion, transverse-engine quattro, 4x4 or 4Drive) with a 4th or 5th generation Haldex coupling.
1.4 TFSI
Petrol
- Period mentioned
- 2008 onwards
- Mileage mentioned
- The sheet does not mention a mileage.
Applies if: Only if fitted with the 7-speed DQ200 DSG. Confirm the gearbox type.
- Period mentioned
- 2012–2020
- Mileage mentioned
- The sheet does not mention a mileage.
Applies if: Only EA211 1.0, 1.2 and 1.4 TSI/TFSI engines; the 1.5 TSI evo is not documented in this record's sources.
2.0 TFSI (EA888 gen 2)
Petrol
- Period mentioned
- Approx. 2009–2015
- Mileage mentioned
- The sheet does not mention a mileage.
- Timing chain tensionerTiming system
- Period mentioned
- Approx. 2008–2015
- Mileage mentioned
- The sheet does not mention a mileage.
- DQ250 DSG mechatronic and oilDSG gearbox
- Period mentioned
- 2003–2020
- Mileage mentioned
- From 60,000 km
Applies if: Only if fitted with the 6-speed DQ250 DSG. Confirm the gearbox type.
2.0 TDI
Diesel
- Cracked EGR coolerCooling / EGR
- Period mentioned
- Approx. 2010–2020
- Mileage mentioned
- The sheet does not mention a mileage.
These also apply, described above: DQ250 DSG mechatronic and oil
RS Q3 (2.5 TFSI)
Petrol
We have no faults specific to this engine, only those common to every version.
Which engine has the fewest documented faults?
| Engine | Documented faults | Recalls |
|---|---|---|
| 1.4 TFSIPetrol | 44 with conditions | 0 |
| 2.0 TFSI (EA888 gen 2)Petrol | 53 with conditions | 0 |
| 2.0 TDIDiesel | 43 with conditions | 0 |
| RS Q3 (2.5 TFSI)PetrolFewest documented | 22 with conditions | 1 |
According to the data we have, the engine with the fewest documented faults is the RS Q3 (2.5 TFSI) (Petrol).
By fuel type, the one with the fewest documented faults is: Diesel.
We only count the sourced sheets we have. An engine with fewer is not guaranteed to be more reliable: it may have been studied less or sold in smaller numbers.
Official recalls: ask before you pay
A recall existing does not mean this car is affected or that it is still outstanding: it depends on the chassis number, the market and the production date.
- Ask the seller for the chassis number (VIN): it has 17 characters, appears in the car's documents and can usually also be seen at the base of the windscreen.
- Ask an official Audi dealer, or the brand's official website if it lets you check by chassis number, whether each recall has been done or is still outstanding for that VIN.
- Manufacturer recalls are normally carried out free of charge by the official service network. If one is outstanding, ask for it to be done before you close the sale.
Indicator failure without correct warningLighting / electronics
Engines: RS Q3 (2.5 TFSI) (Petrol)
How to check it: Confirm VIN for GAI-2942 and reprogram the unit.
View full entryOn the test drive: what to look and listen for
Taken from each sheet's symptoms and checks. You can tick off what you have already looked at: it is saved only in this browser.
0 of 8 checked
Engine
Look out for: Very high oil consumption (over 1 litre per 1,000 km), low oil warning, bluish smoke, oil-fouled spark plugs.
Ask them to check: Controlled oil consumption test over 1,000 km, compression or leak-down test and a PCV valve check.
Timing system
Look out for: Metallic rattle for a few seconds on a cold start, engine light for camshaft/crankshaft correlation; in the worst case the engine won't start after a loud noise.
Ask them to check: An inspection plug on the lower timing cover shows the tensioner position. Listen to a cold start.
Cooling / EGR
Look out for: Coolant level drops with no visible leak, white smoke with a sweet smell, rising temperature or engine light. In severe cases the engine hydrolocks.
Ask them to check: Cooling system pressure test and check for coolant in the intake or manifold.
Gearbox
Look out for: Judder or shudder pulling away in 1st/2nd, reverse won't engage, PRNDS letters flashing or a spanner warning, gearbox stuck in one gear (limp mode).
Ask them to check: Read the gearbox module faults with VCDS, OBDeleven or similar and check the mechatronic fuse.
Climate control
Look out for: The air does not cool or cools intermittently (for example only at motorway speed), and sometimes the compressor rattles with the A/C on. Codes 01232 (N280 valve), P2612 or 00898.
Ask them to check: Read the codes and N280 control current with VCDS or ODIS, measure its resistance (about 10 ohms) and check the connector and wiring before replacing parts. If the valve or compressor is replaced, the whole circuit must be flushed.
Transmission
Look out for: All-wheel-drive warning or a pump error in diagnostics, the car behaves like front-wheel drive (wheelspin in the wet or on gravel) and sometimes no cluster warning even with stored codes.
Ask them to check: Read the all-wheel-drive module with VCDS, OBDeleven or ODIS (ODIS shows the pump current) and check in the history when the oil was changed and whether the filter was replaced and the strainer cleaned. After servicing, an adaptation with diagnostic equipment is recommended on generations 4 and 5.
Cooling
Look out for: Coolant level drops slowly with no visible puddle, dried white or pink residue behind the engine, a sweet smell and a low-level warning. If loss continues, it can overheat.
Ask them to check: With the engine cold, monitor the level for several days and look for dried residue around the housing and the coolant pipe under the air box. At a garage: pressure test and check for nearby oil leaks. Replacing pump and housing as one assembly is recommended; do not use stop-leak products. Never open the system hot.
DSG gearbox
Look out for: Jerking or shudder when pulling away and at low speed, harsh shifts, gearbox warning or limp mode; codes P17BF, P189C, P0841, P0871 or P0717.
Ask them to check: Read codes with ODIS or VCDS, check the oil change history, inspect the pan for rust or leaks and the clutch adaptation values. Replacing the mechatronic control board is often enough.
Sources
Every fact on this page comes from these Testigo sheets and their original sources. Sources are not checked in real time.
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