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2.0 / 2.4 i-VTEC vs Honda e:HEV / i-MMD: which engine is more reliable?

According to our risk index, the 2.0 / 2.4 i-VTEC carries less risk than the Honda e:HEV / i-MMD: 23/100 (low risk) versus 34/100 (moderate risk). The 2.0 / 2.4 i-VTEC has 1 documented serious fault, the main one being «Camshaft wear and pitting on the 2.0 K20 (Accord VII, CR-V II, Civic)»; the Honda e:HEV / i-MMD has 2 documented serious faults, the main one being «Cracked high-pressure fuel pump (Honda campaign 6YP)».

Risk index

2.0 / 2.4 i-VTEC

23

Low risk · 1 serious fault

Lower risk

Risk index

Honda e:HEV / i-MMD

34

Moderate risk · 2 serious faults

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

14 sourcesHow we work

Is the 2.0 / 2.4 i-VTEC reliable?

Naturally aspirated Honda petrol engines (K20/K24 and R20) with a timing chain. The only serious documented fault is camshaft wear in the early K20s (2003-2004); the R20A and K24Z show no serious faults in the sources consulted, and only isolated cases of oil consumption appear. The sample of testimonies is small.[1][2][3][4][5][6]

See the 2 of the 2.0 / 2.4 i-VTEC faults

Is the Honda e:HEV / i-MMD reliable?

The Honda e:HEV hybrid system (formerly i-MMD) has no serious, widespread faults documented in the sources consulted. The most cited issue is the 12 V battery going flat when the car stands unused and, on the 2.0, a recall for the high-pressure fuel pump.[7][8][9]

See the 3 of the Honda e:HEV / i-MMD faults

Side-by-side comparison

Comparison of 2.0 / 2.4 i-VTEC and Honda e:HEV / i-MMD
2.0 / 2.4 i-VTECHonda e:HEV / i-MMD
Technical data
TypeEngineEngine
FuelPetrolPetrol
Displacement——
TimingChainChain
Power150–200 hp109–184 hp
Production2001–2016[10][11][12]since 2018[7][13]
Reliability
Risk index (what is it?)23Low risk34Moderate risk
Documented faults23
Of high or critical severity12
Worst severityHigh severityHigh severity
Main faults
  1. High severity: Camshaft wear and pitting on the 2.0 K20 (Accord VII, CR-V II, Civic)
  2. Low severity: Excessive oil consumption on the 2.0 / 2.4 i-VTEC engine
  1. High severity: Cracked high-pressure fuel pump (Honda campaign 6YP)
  2. High severity: Faulty fuel pump impeller on the 2019-2020 CR-V hybrid (Honda 6FE campaign)
  3. Low severity: 12 V battery going flat and hybrid system failing to start
Most expensive documented repairNo reliable dataup to €25012 V battery going flat and hybrid system failing to startPublished figure[7]
Which versions to buy
BuyRecommended versions
  • 2.0 i-VTEC 156 and 2.4 i-VTEC 200 (K family, Accord VII)[4]
  • 2.4 i-VTEC 200 hp (K24Z, Accord VIII)[3]
  • 2.0 i-VTEC 156 hp (R20A, Accord VIII)[3]
  • 2.0 i-VTEC 150-155 hp (R20A, CR-V III and IV)[1][2]
  • e:HEV 1.5 (LEB-H5) 109-131 hp system output (Jazz IV, HR-V III)[7][13]
With cautionVersions to be cautious about
  • 2.0 i-VTEC Type R (K20Z, Civic VIII FN2)[10]
  • i-MMD 2.0 184 hp system output (CR-V V hybrid)[7][8]
  • e:HEV 2.0 184 hp system output (Civic XI)[8][14]
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

Other comparisons

With the 2.0 / 2.4 i-VTEC

With the Honda e:HEV / i-MMD

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. Fiabilidad Honda CR-V III: averías y testimoniosFiches-auto.fr · Motoring press · consulted 5 October 2026 · in French
  2. Fiabilidad Honda CR-V IV: averías y testimoniosFiches-auto.fr · Motoring press · consulted 5 October 2026 · in French
  3. Fiabilidad Honda Accord (2008-2015): averías y testimoniosFiches-auto.fr · Motoring press · consulted 5 October 2026 · in French
  4. Fiabilidad Honda Accord (2003-2008): averías y testimoniosFiches-auto.fr · Motoring press · consulted 5 October 2026 · in French
  5. Honda Accord 8: Probleme und SchwachstellenGebrauchtwagenberater.de · Motoring press · consulted 30 October 2026 · in German
  6. Honda CR-V RM: Probleme und SchwachstellenGebrauchtwagenberater.de · Motoring press · consulted 30 October 2026 · in German
  7. Sistema híbrido Honda e:HEV (i-MMD): problemas, fiabilidad y coches que lo llevanMotordex · Technical documentation · consulted 29 October 2026 · in Spanish
  8. Honda recalls 1.3 million cars: fuel pump fire risk (KBA 14559R)Car-Recalls.eu · Motoring press · published 17 March 2025 · consulted 29 October 2026
  9. Fiabilité Honda HR-V (2022): pannes et témoignagesFiches-auto.fr · Motoring press · consulted 30 October 2026 · in French
  10. Honda K engineWikipedia · Other source · consulted 5 October 2026
  11. Honda R engineWikipedia · Other source · consulted 5 October 2026
  12. Honda AccordWikipedia (es) · Other source · consulted 5 October 2026 · in Spanish
  13. Honda LEB-H5 (1.5 i-MMD e:HEV): experiencias, problemas, consumo y consejos de compraAutohints · Technical documentation · consulted 29 October 2026 · in Spanish
  14. Guide d'achat Honda Civic (nueva campaña 6YP, 4.740 híbridos en Francia)L'argus · Motoring press · published 7 January 2025 · consulted 29 October 2026 · in French