Reliability Summary

Best engine EA113 2.0 TFSI (AXX/BPY/BWA/BWJ/CDLA) — 73/100 ACCEPTABLE
Worst engine EA888 Gen 1/2 (1.8/2.0 TFSI/TSI) — 38/100 AVOID
Average reliability 56/100

Engine Comparison

Engine Reliability Score Verdict Known Issues
EA113 2.0 TFSI (AXX/BPY/BWA/BWJ/CDLA)
2.0L Turbo I4
73/100 ACCEPTABLE HPFP cam follower and cam lobe wear - can destroy camshaft and fuel pump +6
EA888 Gen 1/2 (1.8/2.0 TFSI/TSI)
1.8/2.0L Turbo I4 (early EA888)
38/100 AVOID Timing-chain tensioner failure — chain can jump and wreck the engine +3

Engines in this model

Known Issues Across All Engines

Issue Engine Severity Onset
HPFP cam follower and cam lobe wear - can destroy camshaft and fuel pump EA113 2.0 TFSI (AXX/BPY/BWA/BWJ/CDLA) critical 35,000 km – 129,000 km
Timing belt - interference engine, service 97,000-129,000 km EA113 2.0 TFSI (AXX/BPY/BWA/BWJ/CDLA) high 97,000 km – 129,000 km
Camshaft chain tensioner wear (early AXX engines) EA113 2.0 TFSI (AXX/BPY/BWA/BWJ/CDLA) high —
Intake valve carbon build-up (direct injection) EA113 2.0 TFSI (AXX/BPY/BWA/BWJ/CDLA) moderate 80,000 km – 161,000 km
PCV pressure-regulating valve failure - oil leaks, oil consumption, whistling EA113 2.0 TFSI (AXX/BPY/BWA/BWJ/CDLA) moderate 97,000 km – 161,000 km
Diverter (blow-off) valve membrane failure EA113 2.0 TFSI (AXX/BPY/BWA/BWJ/CDLA) minor —
Ignition coil and spark plug failures EA113 2.0 TFSI (AXX/BPY/BWA/BWJ/CDLA) minor —
Timing-chain tensioner failure — chain can jump and wreck the engine EA888 Gen 1/2 (1.8/2.0 TFSI/TSI) critical 80,000 km – 150,000 km
Excessive oil consumption — narrow oil-control rings (built 2008 to mid-2011) EA888 Gen 1/2 (1.8/2.0 TFSI/TSI) critical 40,000 km – 100,000 km
Plastic thermostat / coolant-pump housing leaks EA888 Gen 1/2 (1.8/2.0 TFSI/TSI) moderate —
Intake-valve carbon build-up (direct injection) EA888 Gen 1/2 (1.8/2.0 TFSI/TSI) moderate 80,000 km – 100,000 km

FAQ

Is the Audi TT reliable?

The Audi TT has 2 engine options with reliability scores ranging from 38/100 (AVOID) to 73/100 (ACCEPTABLE). Average reliability: 56/100.

Which Audi TT engine is most reliable?

The EA113 2.0 TFSI (AXX/BPY/BWA/BWJ/CDLA) is the most reliable engine in the Audi TT, scoring 73/100 (ACCEPTABLE).

What problems does the Audi TT have?

Across all engine variants, the Audi TT has 11 known issues. The most common are related to HPFP cam follower and cam lobe wear - can destroy camshaft and fuel pump, Timing belt - interference engine, service 97,000-129,000 km, Camshaft chain tensioner wear (early AXX engines).