1.6 and 2.0 MultiJet II vs 1.4 HDi: which engine is more reliable?

According to our risk index, the 1.4 HDi carries less risk than the 1.6 and 2.0 MultiJet II: 43/100 (moderate risk) versus 52/100 (high risk). The 1.6 and 2.0 MultiJet II has 2 documented serious faults, the main one being «Saturated diesel particulate filter (DPF) from incomplete regenerations»; the 1.4 HDi has 1 documented serious fault, the main one being «Timing belt and water pump».

Risk index

1.6 and 2.0 MultiJet II

High risk · 2 serious faults

Risk index

1.4 HDi

Moderate risk · 1 serious fault

Lower risk

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

Reviewed on 27 September 202613 sources How we work

Is the 1.6 and 2.0 MultiJet II reliable?

The 1.6 and 2.0 MultiJet II are Fiat diesels with a solid mechanical base, but with known faults worth checking before you buy: the timing belt tensioner may need replacing before the official interval, the EGR valve clogs with urban use, the particulate filter becomes saturated if there are not enough long journeys, and the dual-mass flywheel and the occasional injector wear with mileage. There is no officially recognised recall campaign for these faults.^[1][2][3][4]

See the 5 of the 1.6 and 2.0 MultiJet II faults

Is the 1.4 HDi reliable?

It is a small diesel that is generally reliable, but with a very well-documented weakness: the injectors tend to lose their seal over time and let diesel escape. The turbo and the EGR valve also fail on a noticeable minority of units, and there are isolated cases of the crankshaft damper pulley failing at very high mileages. The timing belt does not seem to cause more problems than on any diesel of its era if it is changed on time.^[5][6][7]

See the 5 of the 1.4 HDi faults

Side-by-side comparison

Comparison of 1.6 and 2.0 MultiJet II and 1.4 HDi
Item	1.6 and 2.0 MultiJet II	1.4 HDi
Technical data
Type	Engine	Engine
Fuel	Diesel	Diesel
Displacement	—	1,399 cm³
Timing	Timing belt (dry)	Timing belt (dry)
Power	90–170 hp	54–92 hp
Production	since 2006^[8][9][10]	2001–2010^{[5][11][12][13]}
Reliability
Risk index (what is it?)	52High risk	43Moderate risk
Documented faults	5	5
Of high or critical severity	2	1
Worst severity	Critical severity	High severity
Main faults	High severity: Saturated diesel particulate filter (DPF) from incomplete regenerations Critical severity: Early tensioner wear and risk of timing belt failure Medium severity: EGR valve blocked by soot in urban use	Medium severity: Injectors that lose their seal and let diesel escape High severity: Timing belt and water pump Medium severity: Premature turbo wear from poor lubrication
Most expensive documented repair	up to €550Early tensioner wear and risk of timing belt failurePublished figure^[1]	No reliable data
Which versions to buy
BuyRecommended versions	None	None
With cautionVersions to be cautious about	1.6 MultiJet II (90-130 hp, 2006-2024)^[1][2] 2.0 MultiJet II (120-170 hp, 2008-2024)^[3][4]	1.4 HDi/TDCi 54/68/70 8V (DV4TD, 2001-2009)^[6][7] 1.4 HDi 90/92 16V (DV4TED4, 2002-2009)^[6][13]
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

1.6 and 2.0 MultiJet II

See the 11 models with the 1.6 and 2.0 MultiJet II

1.4 HDi

See the 12 models with the 1.4 HDi

Other comparisons

With the 1.6 and 2.0 MultiJet II

With the 1.4 HDi

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Sources

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

Fiat Tipo: problemas, fallos y averías más frecuentesTotalrenting · Other source · consulted 27 September 2026 · in Spanish
Jeep Renegade: problemas, fallos y averías más frecuentesTotalrenting · Other source · consulted 27 September 2026 · in Spanish
Jeep Renegade (seit 2014) – Typische Probleme & SchwachstellenGebrauchtwagenberater · Motoring press · published 2 March 2025 · consulted 27 September 2026 · in German
Fiat Bravo : les plus et les moinsFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
Motor PSA DVWikipedia (es) · Other source · consulted 27 September 2026 · in Spanish
Essai, avis et fiabilité des 1.4 HDI 68 chFiches-Auto.fr · Motoring press · consulted 27 September 2026 · in French
Essai, avis et fiabilité des 1.4 HDI 70 chFiches-Auto.fr · Motoring press · consulted 27 September 2026 · in French
Fiat JTD engineWikipedia · Other source · consulted 27 September 2026
Fiat Bravo (2007)Wikipedia · Other source · consulted 27 September 2026 · in Spanish
Jeep Renegade (BU)Wikipedia · Other source · consulted 27 September 2026
Ford Duratorq engineWikipedia (en) · Other source · consulted 27 September 2026
Peugeot DV4TD engine: specifications and applicationsMyMotorList · Technical documentation · consulted 27 September 2026
Peugeot DV4TED4 engine: specifications and applicationsMyMotorList · Technical documentation · consulted 27 September 2026