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2.3 MZR DISI Turbo vs 1.6 and 2.0 8v EA827: which engine is more reliable?

According to our risk index, the 1.6 and 2.0 8v EA827 carries less risk than the 2.3 MZR DISI Turbo: 32/100 (moderate risk) versus 63/100 (high risk). The 2.3 MZR DISI Turbo has 2 documented serious faults, the main one being «Timing chain stretch and VVT actuator failure on the 2.3 DISI Turbo»; the 1.6 and 2.0 8v EA827 has 2 documented serious faults, the main one being «Timing belt and water pump».

Risk index

2.3 MZR DISI Turbo

63

High risk · 2 serious faults

Risk index

1.6 and 2.0 8v EA827

32

Moderate risk · 2 serious faults

Lower risk

The index (0–100) weights the severity and frequency of the three most serious documented faults. How it is calculated

16 sourcesHow we work

Is the 2.3 MZR DISI Turbo reliable?

Mazda's 2.3 DISI Turbo (L3-VDT, 2005-2013) is powerful but demanding: the timing chain, the turbo and oil sludge are its weak points; only buy one with a good oil service history.[1][2][3]

See the 3 of the 2.3 MZR DISI Turbo faults

Is the 1.6 and 2.0 8v EA827 reliable?

Simple, naturally aspirated petrol engines that, according to the sources, last a long time with regular maintenance. Gebrauchtwagenberater describes the 8-valve 1.6 as old-fashioned but reliable, and the 102 hp 1.6 MPI as even more reliable than the 1.4 16v. Watch the timing belt with the water pump, coolant leaks, oil consumption (especially on the 2.0) and idle and sensor faults.[4][5][6][7]

See the 6 of the 1.6 and 2.0 8v EA827 faults

Side-by-side comparison

Comparison of 2.3 MZR DISI Turbo and 1.6 and 2.0 8v EA827
2.3 MZR DISI Turbo1.6 and 2.0 8v EA827
Technical data
TypeEngineEngine
FuelPetrolPetrol
Displacement2,261 cm³—
TimingChainTiming belt (dry)
Power256–263 hp75–120 hp
Production2005–2013[1][8]1991–2013[9][10][11][12][13]
Reliability
Risk index (what is it?)63High risk32Moderate risk
Documented faults36
Of high or critical severity22
Worst severityCritical severityHigh severity
Main faults
  1. Critical severity: Timing chain stretch and VVT actuator failure on the 2.3 DISI Turbo
  2. High severity: Premature turbocharger wear from poor lubrication on the 2.3 DISI Turbo
  3. Medium severity: Oil consumption and sludge in the 2.3 DISI Turbo engine
  1. High severity: Timing belt and water pump
  2. Medium severity: Coolant leaks: flange and water pump
  3. Medium severity: High oil consumption
Most expensive documented repairup to €2,200Premature turbocharger wear from poor lubrication on the 2.3 DISI TurboPublished figure[2]up to €700Timing belt and water pumpPublished figure[14]
Which versions to buy
BuyRecommended versionsNone
  • 1.6 8v 100-101 hp (AEK, AFT, ADP, AEH, AKL, APF, BAH; 1994-2008)[4][15]
  • 1.6 8v 102 hp (AVU, BFQ, ALZ, BGU, BSE, BSF, CCSA; 2000-2013)[5][16]
With cautionVersions to be cautious about
  • 2.3 MZR DISI Turbo 256-260 hp (L3-VDT, 2005-2009)[1][2]
  • 2.3 MZR DISI Turbo (L3-VDT, 2010-2013)[1][2]
  • 1.6 8v 75 hp (ABU, AEA, AEE, 1F, ALM; 1992-2001)[7]
  • 2.0 8v 115-120 hp (2E, ADY, APK, AQY, AZJ and others; 1991-2010)[4][7]
AvoidVersions to avoidNoneNone

Severity of each fault: green, low; amber, medium; red, high; dark red, critical. How we rate them

Cars that each one is fitted to

2.3 MZR DISI Turbo

1.6 and 2.0 8v EA827

See the 29 models with the 1.6 and 2.0 8v EA827

Other comparisons

With the 2.3 MZR DISI Turbo

With the 1.6 and 2.0 8v EA827

Compare other engines

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Sources

Every fact on this page links to its source. If you find an error, let us know.

  1. Mazda L engineWikipedia (inglés) · Other source · consulted 5 October 2026
  2. Problemas Mazda CX-7Totalrenting · Other source · consulted 5 October 2026 · in Spanish
  3. 2009 Mazda CX-7 engine problemsCarComplaints · Owners' forum · consulted 5 October 2026
  4. VW Golf IV (1J): Schwachstellen und KaufberatungGebrauchtwagenberater.de · Motoring press · consulted 2 November 2026 · in German
  5. Skoda Octavia II (1Z): Bekannte Probleme & SchwachstellenGebrauchtwagenberater.de · Motoring press · published 9 April 2025 · consulted 2 November 2026 · in German
  6. Seat Leon Mk1: Probleme, Schwachstellen, ErfahrungenGebrauchtwagenberater.de · Motoring press · published 7 May 2025 · consulted 2 November 2026 · in German
  7. Fiabilité Skoda Octavia (1997-2004) - pannes moteur, boîte...Fiches-auto.fr · Owners' forum · consulted 2 November 2026 · in French
  8. Mazda CX-7Wikipedia (inglés) · Other source · consulted 5 October 2026
  9. Volkswagen EA827 engineWikipedia (inglés) · Other source · consulted 2 November 2026
  10. SEAT ToledoWikipedia (inglés) · Other source · consulted 2 November 2026
  11. VW New BeetleWikipedia (alemán) · Other source · consulted 2 November 2026 · in German
  12. Škoda Octavia IIWikipedia (alemán) · Other source · consulted 2 November 2026 · in German
  13. SEAT ExeoWikipedia (inglés) · Other source · consulted 2 November 2026
  14. Bomba de agua del coche: la avería de más de 1.500 euros que arrastra a la correaMotor16 · Motoring press · published 21 September 2026 · consulted 2 November 2026 · in Spanish
  15. Fiabilité Audi A3 (1996-2003) - pannes moteur, boîte...Fiches-auto.fr · Owners' forum · consulted 2 November 2026 · in French
  16. Fiabilité Volkswagen Golf V - pannes moteur, boîte, électronique...Fiches-auto.fr · Owners' forum · consulted 2 November 2026 · in French