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1.5 BlueHDi vs 2.2 dCi and 3.0 dCi V6: which engine is more reliable?

According to our risk index, the 2.2 dCi and 3.0 dCi V6 carries less risk than the 1.5 BlueHDi: 46/100 (moderate risk) versus 77/100 (very high risk). The 1.5 BlueHDi has 4 documented serious faults, the main one being «Wear and breakage of the 7 mm chain between the camshafts»; the 2.2 dCi and 3.0 dCi V6 has 2 documented serious faults, the main one being «3.0 dCi V6 overheating and expansion tank failures».

Risk index

1.5 BlueHDi

77

Very high risk · 4 serious faults

Risk index

2.2 dCi and 3.0 dCi V6

46

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

24 sourcesHow we work

Is the 1.5 BlueHDi reliable?

The 1.5 BlueHDi has a serious weak point in engines built from October 2017 to January 2023: the 7 mm chain linking the camshafts can stretch and break. Stellantis has recalled them and covers this fault for 10 years or 240,000 km; engines built up to August 2020 can also suffer AdBlue tank failures, with partial compensation from the manufacturer.[1][2][3][4]

See the 5 of the 1.5 BlueHDi faults

Is the 2.2 dCi and 3.0 dCi V6 reliable?

Renault's big 2000s diesels, the 2.2 dCi (G9T) and the 3.0 V6 dCi (P9X), have a poor reputation among owners: big-end bearing failures are cited on the 2.2 and overheating on the V6. The sources are mainly forums and the press that reports them, with no official statistics.[5][6][7]

See the 3 of the 2.2 dCi and 3.0 dCi V6 faults

Side-by-side comparison

Comparison of 1.5 BlueHDi and 2.2 dCi and 3.0 dCi V6
1.5 BlueHDi2.2 dCi and 3.0 dCi V6
Technical data
TypeEngineEngine
FuelDieselDiesel
Displacement1,499 cm³2,188 cm³
TimingTiming belt (dry)Timing belt (dry)
Power75–130 hp115–180 hp
Productionsince 2017[8][9][10][11][12][13]2001–2009[14][15]
Reliability
Risk index (what is it?)77Very high risk46Moderate risk
Documented faults53
Of high or critical severity42
Worst severityCritical severityCritical severity
Main faults
  1. Critical severity: Wear and breakage of the 7 mm chain between the camshafts
  2. Medium severity: AdBlue tank and pump failure
  3. High severity: Seizure of the high-pressure pump and injection system
  1. Critical severity: 3.0 dCi V6 overheating and expansion tank failures
  2. Critical severity: Big-end bearing failure in the 2.2 dCi (G9T)
  3. Medium severity: Blocked EGR valve and turbo and injector faults on the 2.2 dCi (G9T)
Most expensive documented repairup to €1,500AdBlue tank and pump failurePublished figure[4][16][17][18]No reliable data
Which versions to buy
BuyRecommended versions
  • 1.5 BlueHDi with 8 mm chain (from February 2023)[2][19][20]
None
With cautionVersions to be cautious about
  • 1.5 BlueHDi 75-130 with 7 mm chain (October 2017 - January 2023)[21][22][23]
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

1.5 BlueHDi

See the 34 models with the 1.5 BlueHDi

2.2 dCi and 3.0 dCi V6

Other comparisons

With the 1.5 BlueHDi

With the 2.2 dCi and 3.0 dCi V6

Compare other engines

That is the comparison you are viewing: change one of the two engines.

Sources

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

  1. 1.5 BlueHDi. Stellantis rappelle 930 000 véhicules et étend la couverture à 10 ansL'argus · Motoring press · published 3 July 2025 · consulted 26 September 2026 · in French
  2. Llaman a revisión a miles de Citroën, Opel, Peugeot, DS y Fiat en España con el motor diésel 1.5 BlueHDiMotorpasión · Motoring press · published 3 July 2025 · consulted 26 September 2026 · in Spanish
  3. Réservoir AdBlue Stellantis. Quels changements dans l'indemnisation des clients français ?L'argus · Motoring press · published 21 December 2024 · consulted 26 September 2026 · in French
  4. OCU y BEUC consiguen que Stellantis amplíe la garantía de los depósitos AdBlue defectuososOCU · Consumer association · published 27 December 2024 · consulted 26 September 2026 · in Spanish
  5. Renault Espace et Vel Satis : le 3.0 V6 dCi surchauffeL'argus · Motoring press · published 22 June 2010 · consulted 5 October 2026 · in French
  6. Laguna II : remplacement préventif coussinet de bielle 2.2 dCiPlanèteRenault (foro) · Owners' forum · consulted 5 October 2026 · in French
  7. Avantime : casse moteur 2.2 dCiPlanèteRenault (foro) · Owners' forum · consulted 5 October 2026 · in French
  8. Ford DLD engineWikipedia · Other source · consulted 26 September 2026
  9. Motor DV5Oryx Parts · Technical documentation · published 24 January 2024 · consulted 26 September 2026 · in Spanish
  10. Which Cars Have a Wet Belt? Full UK Engine List (2026)CarOkay · Other source · published 2026 · consulted 26 September 2026
  11. Opel Corsa F: Probleme mit dem Ölbad-Zahnriemen erklärtcarVertical · Other source · published 17 July 2026 · consulted 26 September 2026 · in German
  12. PSA 1.5L BlueHDi: a focus on the DV5 engineSumax · Technical documentation · published July 2025 · consulted 26 September 2026
  13. Timing Belt Kit & Water Pump for Peugeot 1.5 BlueHDi - DV5RLymm Engine Parts · Technical documentation · consulted 26 September 2026
  14. Renault G-Type engineWikipedia (en) · Other source · consulted 5 October 2026
  15. Renault Vel SatisWikipedia (fr) · Other source · consulted 5 October 2026 · in French
  16. La OCU quiere tomar medidas ante los problemas del sistema de AdBlue de Citroën y Peugeotcoches.com · Motoring press · published 30 May 2023 · consulted 26 September 2026 · in Spanish
  17. Solución fallo AdBlue Peugeot, Citroën y Opel: evita cambiar el depósitoST Automoción · Other source · published 11 December 2025 · consulted 26 September 2026 · in Spanish
  18. Stellantis amplía las compensaciones por los problemas técnicos de sus depósitos AdBlueMinisterio de Derechos Sociales, Consumo y Agenda 2030 · Official body · consulted 26 September 2026 · in Spanish
  19. 1.5 BlueHDi. Stellantis rappelle plusieurs milliers de véhicules pour un problème d'injectionL'argus · Motoring press · published 14 March 2026 · consulted 26 September 2026 · in French
  20. Europa amplía la llamada a revisión por los graves problemas del motor 1.5 BlueHDi de StellantisAutonoción · Motoring press · consulted 26 September 2026 · in Spanish
  21. Cobertura especial para los 1.5 BlueHDi del Grupo Stellantiscoches.net · Motoring press · published 3 July 2025 · consulted 26 September 2026 · in Spanish
  22. Casse chaîne 1.5 BlueHDi. Stellantis étend sa prise en charge à 7 ans ou 180 000 kmL'argus · Motoring press · published 15 January 2025 · consulted 26 September 2026 · in French
  23. Fiabilité moteur Stellantis 1.5 BlueHDi. Une nouvelle huile pour éviter la casseL'argus · Motoring press · published 14 January 2024 · consulted 26 September 2026 · in French
  24. Vel Satis I : ma Vel Satis 3.0 dCi Initiale a des problèmesPlanèteRenault (foro) · Owners' forum · consulted 5 October 2026 · in French