1.3 Multijet vs 2.5 dCi YD25: which engine is more reliable?

According to our risk index, the 2.5 dCi YD25 carries less risk than the 1.3 Multijet: 59/100 versus 64/100 (both high risk). The 1.3 Multijet has 4 documented serious faults, the main one being «Timing chain stretch and tensioner failure»; the 2.5 dCi YD25 has 3 documented serious faults, the main one being «Timing chain wear and failure».

Risk index

1.3 Multijet

High risk · 4 serious faults

Risk index

2.5 dCi YD25

High risk · 3 serious faults

Lower risk

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

Reviewed on 5 October 202612 sources How we work

Is the 1.3 Multijet reliable?

The 1.3 Multijet is a reliable diesel in the basics, but it has a known weak point across all its brands: the timing chain and its tensioner can stretch or fail if oil changes are neglected, with a risk of serious damage. In urban use, the EGR valve, the particulate filter and the variable-geometry turbo add to the list.^[1][2][3][4]

See the 5 of the 1.3 Multijet faults

Is the 2.5 dCi YD25 reliable?

The 2.5 dCi YD25 in the Navara D40 and Pathfinder R51 is tough, but it has one documented weak point: the lower timing chain, whose failure can destroy the engine. Check its condition, as well as the EGR and the turbo.^[5][6][7]

See the 4 of the 2.5 dCi YD25 faults

Side-by-side comparison

Comparison of 1.3 Multijet and 2.5 dCi YD25
Item	1.3 Multijet	2.5 dCi YD25
Technical data
Type	Engine	Engine
Fuel	Diesel	Diesel
Displacement	1,248 cm³	2,488 cm³
Timing	Chain	Chain
Power	69–105 hp	144–190 hp
Production	2003–2024^[8][9][10]	2005–2015^[5][11][12]
Reliability
Risk index (what is it?)	64High risk	59High risk
Documented faults	5	4
Of high or critical severity	4	3
Worst severity	Critical severity	Critical severity
Main faults	Critical severity: Timing chain stretch and tensioner failure High severity: Incomplete particulate filter regenerations and oil dilution High severity: Seized variable-geometry turbo	Critical severity: Timing chain wear and failure High severity: Turbocharger failure Medium severity: EGR valve clogged with carbon
Most expensive documented repair	up to €1,200Injector and high-pressure pump wear from contaminated fuelPublished figure^[3]	No reliable data
Which versions to buy
BuyRecommended versions	None	None
With cautionVersions to be cautious about	1.3 Multijet 8v (69-105 hp, 2003-2009)^[1][2][3] 1.3 Multijet II 16v Euro 5 (75-95 hp, 2009-2015)^[2][4] 1.3 Multijet II 16v Euro 6 (95 hp, 2015-2020)^[2][4]	2.5 dCi 144 and 174 hp (YD25DDTi, 2005-2010)^[5][6] 2.5 dCi 190 hp (YD25DDTi, 2010-2015)^[5][6]
AvoidVersions to avoid	None	None

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

Cars that each one is fitted to

1.3 Multijet

See the 20 models with the 1.3 Multijet

2.5 dCi YD25

Other comparisons

With the 1.3 Multijet

With the 2.5 dCi YD25

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Sources

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

Fiat 1.3 Multijet: ficha técnica, problemas y tuningMotordinámico · Other source · consulted 26 September 2026 · in Spanish
1.3 CDTi Opel (Z13DT) Multijet: ficha técnica, problemas y tuningMotordinámico · Other source · consulted 26 September 2026 · in Spanish
Fiat 1.3 Multijet: problemas, fallos y averías más frecuentesTotalrenting · Other source · consulted 26 September 2026 · in Spanish
Fiat 1.3 JTD/Multijet: corrente folgada e entupimento dos canais de lubrificaçãoProvmec · Technical documentation · consulted 26 September 2026 · in Portuguese
Tips for buying a second-hand pickup: Nissan NavaraFarmers Weekly Interactive · Motoring press · consulted 5 October 2026
YD25 Engine Guide: Specs, Reliability, Problems & Buying TipsAutopartswd · Technical documentation · consulted 5 October 2026
Nissan Navara ProblemeCarwiki.de · Other source · consulted 5 October 2026 · in German
Fiat JTD engineWikipedia · Other source · consulted 26 September 2026
Moteur Fiat 1.3 MultiJetWikipédia · Other source · consulted 26 September 2026 · in French
Motor Fiat 1.3 JTD 16v: más información sobre el motorkm77 · Technical documentation · published September 2002 · consulted 26 September 2026 · in Spanish
Nissan YD engineWikipedia · Other source · consulted 5 October 2026
Nissan NavaraWikipedia · Other source · consulted 5 October 2026