1.4 Turbo vs E-Tech Híbrido: which engine is more reliable?

According to our risk index, the E-Tech Híbrido carries less risk than the 1.4 Turbo: 32/100 versus 45/100 (both moderate risk). The 1.4 Turbo has 2 documented serious faults, the main one being «Early engine failure from a cracked piston»; the E-Tech Híbrido has 2 documented serious faults, the main one being «Multi-mode gearbox failure (risk of breakage)».

Risk index

1.4 Turbo

Moderate risk · 2 serious faults

Risk index

E-Tech Híbrido

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

Reviewed on 27 September 202618 sources How we work

Is the 1.4 Turbo reliable?

The Opel/Vauxhall 1.4 Turbo (GM Small Gasoline Engine; A14NET, A14NEL, B14NET and, from 2015-2016, B14NEH/B14XFT/D14XFT) powered much of Opel's petrol range between 2009 and 2018, with outputs from 120 to 152 hp. There is no documented timing chain failure pattern, but there is one for the water pump and thermostat housing, the ignition coils, turbocharger wear and, in fewer cases, early engine failure from a cracked piston.^{[1][2][3][4][5][6]}

See the 4 of the 1.4 Turbo faults

Is the E-Tech Híbrido reliable?

The E-Tech combines a combustion engine (1.6 H4M naturally aspirated or 1.2 HR12 turbo) with electric motors and a multi-mode gearbox with no clutch or torque converter. Its best-documented weak point is the gearbox itself: reports from the Clio, Captur, Arkana, Austral, Duster and Jogger describe warnings of a risk of breakage, and Renault has launched two campaigns since 2020 (an electrical fault and a primary shaft seal). The 12 V battery also fails fairly often.^[7][8][9]

See the 4 of the E-Tech Híbrido faults

Side-by-side comparison

Comparison of 1.4 Turbo and E-Tech Híbrido
Item	1.4 Turbo	E-Tech Híbrido
Technical data
Type	Engine	Engine
Fuel	Petrol	Petrol
Displacement	1,364 cm³	1,598 cm³
Timing	Chain	Chain
Power	120–152 hp	140–200 hp
Production	2009–2018^{[1][10][11][12]}	since 2020^[7][13][14]
Reliability
Risk index (what is it?)	45Moderate risk	32Moderate risk
Documented faults	4	4
Of high or critical severity	2	2
Worst severity	Critical severity	High severity
Main faults	Critical severity: Early engine failure from a cracked piston High severity: Whistling, loss of power and turbocharger wear Medium severity: Coolant leak from the water pump or thermostat housing	High severity: Multi-mode gearbox failure (risk of breakage) High severity: Stalling and injection warnings on the 1.2 E-Tech 200 (HR12) Medium severity: Hybrid system electrical fault with "DANGER" warning and car won't start
Most expensive documented repair	up to €600Ignition coil failurePublished figure^[3]	No reliable data
Which versions to buy
BuyRecommended versions	None	None
With cautionVersions to be cautious about	1.4 Turbo 120-140 hp (A14NET/A14NEL/B14NET, indirect injection, 2009-2015)^[2][3][4][5] 1.4 Turbo 150-152 hp (B14NEH/B14XFT/D14XFT, from 2015-2016)^[6][15]	1.6 E-Tech Full Hybrid 140-145 (H4M, 2020+)^[8][16] 1.6 E-Tech Plug-in Hybrid 160 (H4M, 2020-2023)^[17] 1.2 E-Tech Full Hybrid 200 (HR12 turbo, 2022+)^[9][18]
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

1.4 Turbo

See the 10 models with the 1.4 Turbo

E-Tech Híbrido

See the 12 models with the E-Tech Híbrido

Other comparisons

With the 1.4 Turbo

With the E-Tech Híbrido

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Sources

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

Opel Astra JWikipedia (alemán) · Other source · consulted 27 September 2026 · in German
Opel Astra 3 : fiabilité, pannes et rappelsFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
Opel Mokka : fiabilité, pannes et rappelsFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
Opel Meriva 2 : fiabilité, pannes et rappelsFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
Opel Zafira Tourer : fiabilité, pannes et rappelsFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
Opel Astra 5 : fiabilité, pannes et rappelsFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
Renault Clio VWikipedia (francés) · Other source · consulted 27 September 2026 · in French
Fiabilité et pannes de la Renault Clio 5Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
Fiabilité et pannes du Renault AustralFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
GM Family 0 engineWikipedia (inglés) · Other source · consulted 27 September 2026
Opel InsigniaWikipedia (español) · Other source · consulted 27 September 2026 · in Spanish
Opel MokkaWikipedia (español) · Other source · consulted 27 September 2026 · in Spanish
Renault Captur IIWikipedia (francés) · Other source · consulted 27 September 2026 · in French
Renault AustralWikipedia (inglés) · Other source · consulted 27 September 2026
Opel Adam : fiabilité, pannes et rappelsFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
Fiabilité et pannes du Renault ArkanaFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
Fiabilité et pannes du Renault Captur IIFiches-auto.fr · Motoring press · consulted 27 September 2026 · in French
Fiabilité et pannes du Renault Espace 6Fiches-auto.fr · Motoring press · consulted 27 September 2026 · in French