Renault 4 E-Tech 5 E-Tech (AmpR Small) 120 and 150 hp problems
The Renault 4 E-Tech used the 5 E-Tech (AmpR Small) from 2025 (Renault 4 E-Tech electric 120 CV (40 kWh) and Renault 4 E-Tech electric 150 CV (52 kWh)). 2 documented faults affect it; the most important is “anode delamination in 52 kWh battery cells (2026 campaign)” (critical severity, occasional). Our verdict: “With caution”.

Engine score on this car
6.8 out of 10Acceptable reliability
Only counting the faults that affect the versions and years of the 4 E-Tech. How we calculate it
Overall score for the Renault 4 E-Tech
6.8 out of 10Provisional score
Engines and gearboxes only: we have not yet analysed the rest of the car. See breakdown
Renault AmpR Small: motor síncrono de excitación externa de 70 a 110 kW and baterías NMC de 40 and 52 kWh · Electrical
- Names
- Renault 4 E-Tech electric 120 CV (40 kWh) · Renault 4 E-Tech electric 150 CV (52 kWh)
- Faults that affect it
- 2 · 1 of high or critical severity
Verdict for the versions it uses
R5 E-Tech EV40 120 hp (90 kW, 40 kWh battery, 2024-present)since 2024 · 120 hp
With cautionAlso no reports on Fiches-auto.fr; same checks as the 95 hp version (0EN5 campaign on 2024 units).[4][5]
R5 E-Tech EV52 150 hp (110 kW, 52 kWh battery, 2024-present)since 2024 · 150 hp
With cautionIt 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 the 4 E-Tech
Only those that affect the versions and years that this car used. The Renault 5 E-Tech (AmpR Small) has 3 documented faults in total.
- 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.
All versions and faults of the Renault 5 E-Tech (AmpR Small)
What to check before buying a used Renault 4 E-Tech 5 E-Tech (AmpR Small) 120 and 150 hp
Each point comes from a documented fault that affects this car. You can tick them off as you inspect it.
If it has the Renault 5 E-Tech (AmpR Small) (since 2025)
Anode delamination in 52 kWh battery cells (2026 campaign)
Critical severityBuying a Renault 4 E-Tech 5 E-Tech (AmpR Small) 120 and 150 hp?
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Frequently asked questions
Is the Renault 4 E-Tech 5 E-Tech (AmpR Small) 120 and 150 hp reliable?
The Renault 4 E-Tech used the 5 E-Tech (AmpR Small) from 2025 (Renault 4 E-Tech electric 120 CV (40 kWh) and Renault 4 E-Tech electric 150 CV (52 kWh)). 2 documented faults affect it; the most important is “anode delamination in 52 kWh battery cells (2026 campaign)” (critical severity, occasional). Our verdict: “With caution”.
What faults does the Renault 4 E-Tech 5 E-Tech (AmpR Small) 120 and 150 hp have?
The documented ones that affect this car are: anode delamination in 52 kWh battery cells (2026 campaign) (critical severity) and rejections, errors and charging interruptions on the R5 E-Tech (medium severity).
Own a Renault 4 E-Tech 5 E-Tech (AmpR Small) 120 and 150 hp? 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
- Renault 5 E-Tech (2025 – 2026) EV/Híbrido, incendio: llamada a revisión SR/00796/26car-recalls.eu (Safety Gate UE) · Other source · published 20 March 2026 · consulted 30 October 2026 · in Spanish