Skip to content
MotorFiable
en

1.4 and 1.6 16v vs 1.5 K15B (Jimny): which engine is more reliable?

According to our risk index, the 1.5 K15B (Jimny) carries less risk than the 1.4 and 1.6 16v: 14/100 (low risk) versus 45/100 (moderate risk). The 1.4 and 1.6 16v has 1 documented serious fault, the main one being «Timing belt breakage or premature failure»; the 1.5 K15B (Jimny) has no documented serious faults.

Risk index

1.4 and 1.6 16v

45

Moderate risk · 1 serious fault

Risk index

1.5 K15B (Jimny)

14

Low risk · 0 serious faults

Lower risk

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

18 sourcesHow we work

Is the 1.4 and 1.6 16v reliable?

The K4J (1.4) and K4M (1.6), both naturally aspirated 16-valve units, are simple and generally reliable petrol engines: no source consulted documents oil consumption or faults that destroy the block. Their most-cited weak point is the ignition coils, followed by the crankshaft sensor and, on versions with a variable valve timing unit, its pulley; a neglected belt can cause serious damage, as one case in the Renault Laguna II documents.[1][2][3][4]

See the 6 of the 1.4 and 1.6 16v faults

Is the 1.5 K15B (Jimny) reliable?

The 1.5 K15B in the Suzuki Jimny is a 102 hp naturally aspirated four-cylinder with a timing chain, simple and with no documented faults of its own. The only thing recorded in Europe is a 2018-2020 recall for the fuel pump, precautionary and with a definitive remedy.[5][6][7]

See the of the 1.5 K15B (Jimny) fault

Side-by-side comparison

Comparison of 1.4 and 1.6 16v and 1.5 K15B (Jimny)
1.4 and 1.6 16v1.5 K15B (Jimny)
Technical data
TypeEngineEngine
FuelPetrolPetrol
Displacement—1,462 cm³
TimingTiming belt (dry)Chain
Power75–135 hp102 hp
Productionsince 1998[8][9][10]since 2018[11][12][13]
Reliability
Risk index (what is it?)45Moderate risk14Low risk
Documented faults61
Of high or critical severity10
Worst severityHigh severityMedium severity
Main faults
  1. Medium severity: Ignition coil failure
  2. High severity: Timing belt breakage or premature failure
  3. Medium severity: Crankshaft position sensor failure
  1. Medium severity: Fuel pump with resin impeller that swells (recall)
Most expensive documented repairNo reliable dataNo reliable data
Which versions to buy
BuyRecommended versions
  • 1.6 16V 105-110 hp Dacia, without variable valve timing unit (K4M, 2004-2020)[4][14]
  • 1.5 K15B 102 hp (Jimny IV, 2018-present)[5][6][7]
With cautionVersions to be cautious about
  • 1.4 16V 75-100 hp (K4J, 1999-2012)[15][16]
  • 1.6 16V 110-135 hp with variable valve timing unit (K4M, 1998-2020)[3][17][18]
None
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

1.4 and 1.6 16v

See the 13 models with the 1.4 and 1.6 16v

1.5 K15B (Jimny)

Other comparisons

With the 1.4 and 1.6 16v

With the 1.5 K15B (Jimny)

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. Fiabilité et pannes de la Renault Mégane 1Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  2. Fiabilité et pannes du Renault Scénic 1Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  3. Fiabilité et pannes de la Renault Laguna 2Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  4. Fiabilité et pannes du Dacia Duster 1Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  5. Problemas Suzuki JimnyTotalrenting · General press · consulted 30 October 2026 · in Spanish
  6. Suzuki Jimny: problemas comunes y llamadas a revisióncar-recalls.eu · Other source · consulted 30 October 2026 · in Spanish
  7. Suzuki Jimny Problemecarwiki.de · General press · consulted 30 October 2026 · in German
  8. Renault K-Type engineWikipedia (inglés) · Other source · consulted 27 September 2026
  9. Moteur K RenaultWikipedia (francés) · Other source · consulted 27 September 2026 · in French
  10. Anexo:Motores de RenaultWikipedia (español) · Other source · consulted 27 September 2026 · in Spanish
  11. Suzuki K engineWikipedia · Other source · consulted 30 October 2026
  12. Suzuki motor KWikipedia · Other source · consulted 30 October 2026 · in Spanish
  13. Suzuki JimnyWikipedia · Other source · consulted 30 October 2026 · in Spanish
  14. Fiabilité et pannes du Dacia Logan 1Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  15. Fiabilité et pannes de la Renault Clio 2Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  16. Fiabilité et pannes de la Renault Clio 3Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  17. Fiabilité et pannes de la Renault Mégane 2Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
  18. Fiabilité et pannes du Renault Scénic 2Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French