2026 Renault 4 E-Tech problems
The 2026 Renault 4 E-Tech was sold with an engine that we have documented: the Renault 5 E-Tech (AmpR Small). The Renault 5 E-Tech (AmpR Small) has serious faults that affect the cars of that year.
2026 Renault 4 E-Tech score: acceptable reliability
Calculated using only 2 documented faults and their sources: the most serious and frequent faults weigh more. Provisional: the rest of the car (suspension, brakes, electronics…) has not been analysed yet. How it is calculated
- Electric motor6.82 faults
- GearboxNot analysed
- SuspensionNot analysed
- BrakesNot analysed
- Tyres and wheelsNot analysed
- SteeringNot analysed
- Electrical systemNot analysed
- Headlights and lightsNot analysed
- Electronics and infotainmentNot analysed
- Climate controlNot analysed
- Bodywork and interiorNot analysed
- Airbags and safetyNot analysed
What changes compared with the 2025 Renault 4 E-Tech
The same engines and the same documented faults as in 2025.
Renault 5 E-Tech (AmpR Small) engine in the 2026 Renault 4 E-Tech
Names: Renault 4 E-Tech electric 120 CV (40 kWh) · Renault 4 E-Tech electric 150 CV (52 kWh)
- With caution
R5 E-Tech EV40 120 hp (90 kW, 40 kWh battery, 2024-present)
120 hp
Also no reports on Fiches-auto.fr; same checks as the 95 hp version (0EN5 campaign on 2024 units).[4][5]
- With caution
R5 E-Tech EV52 150 hp (110 kW, 52 kWh battery, 2024-present)
150 hp
It is the only version affected by the battery cell campaign (batch built between December 2025 and January 2026) and the one that concentrates the fault reports; check the VIN.[3][4]
Faults that affect 2026 cars
- Critical severityFrequency: OccasionalTraction batteryAnode delamination in 52 kWh battery cells (2026 campaign)In March 2026 a preventive campaign for the 52 kWh R5 E-Tech built between 12/12/2025 and 28/01/2026 was notified on Safety Gate (SR/00796/26): a supplier production defect can lift the anode off a cell, with a risk of internal short circuit and fire.
- Medium severityFrequency: RareChargingRejections, errors and charging interruptions on the R5 E-TechFiches-auto.fr records 2 of 11 reports about the charger or the R5's charging port: error messages, a wrong charge-time indication, or charging cut off because the car misreads the power supply. It is a small sample from a single source.
Buying a 2026 Renault 4 E-Tech?
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Frequently asked questions
Is the 2026 Renault 4 E-Tech reliable?
The 2026 Renault 4 E-Tech was sold with an engine that we have documented: the Renault 5 E-Tech (AmpR Small). The Renault 5 E-Tech (AmpR Small) has serious faults that affect the cars of that year.
Is the 2026 Renault 4 E-Tech better than the 2025?
Going by the documented faults, they are the same: the same engines and the same faults affect the 2025 and 2026 cars. Choose on condition, mileage and maintenance history.
What faults does the 2026 Renault 4 E-Tech have?
The most important ones documented for 2026 cars are: anode delamination in 52 kWh battery cells (2026 campaign) (Renault 5 E-Tech (AmpR Small), critical severity) and rejections, errors and charging interruptions on the R5 E-Tech (Renault 5 E-Tech (AmpR Small), medium severity).
Own a 2026 Renault 4 E-Tech? Tell us what faults you have had and at how many kilometres. Report your fault.
Sources
Every fact on this page links to its source. If you find an error, let us know.
- Renault 4 E-TechWikipedia (en) · Other source · consulted 31 October 2026
- Avis Renault R4 E-Tech (versiones EV40 120 ch y EV52 150 ch)Fiches-auto.fr · Reliability study · consulted 31 October 2026 · in French
- Rappel Renault 5 et R4 E-Tech : 19 véhicules concernés en France pour un risque de batterieMotorsActu · Motoring press · published 21 March 2026 · consulted 30 October 2026 · in French
- Fiabilité Renault R5 E-tech (2024) (11 témoignages)Fiches-auto.fr · Reliability study · consulted 30 October 2026 · in French
- Grosse alerte chez Renault : 16 000 véhicules rappelés en urgenceL'Automobiliste · General press · published 5 March 2025 · consulted 30 October 2026 · in French