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Fiat 500e vs Stellantis e-CMP (e-208, Corsa-e, ë-C4…): which engine is more reliable?

According to our risk index, the Fiat 500e carries less risk than the Stellantis e-CMP (e-208, Corsa-e, ë-C4…): 32/100 versus 36/100 (both moderate risk). The Fiat 500e has 1 documented serious fault, the main one being «Traction battery fire risk (2023 and 2024 recalls)»; the Stellantis e-CMP (e-208, Corsa-e, ë-C4…) has 3 documented serious faults, the main one being «Loss of traction from a high-voltage system cut-out (‘electric traction fault’ warning)».

Risk index

Fiat 500e

32

Moderate risk · 1 serious fault

Lower risk

Risk index

Stellantis e-CMP (e-208, Corsa-e, ë-C4…)

36

Moderate risk · 3 serious faults

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

13 sourcesHow we work

Is the Fiat 500e reliable?

The 2020 500e's drivetrain has few declared faults in the motor, but its traction battery has been subject to two recalls over fire risk, and there are isolated complaints about AC charging. The available data is scarce: it is a recent model.[1][2]

See the 2 of the Fiat 500e faults

Is the Stellantis e-CMP (e-208, Corsa-e, ë-C4…) reliable?

Stellantis’s electric drivetrain has no serious factory faults documented: the battery holds up well (median 94% health at 50,000 km and 90.7% at 150,000 km in the e-208 and Corsa-e), and the problems cited are the charger and several software campaigns.[3][4][5]

See the 5 of the Stellantis e-CMP (e-208, Corsa-e, ë-C4…) faults

Side-by-side comparison

Comparison of Fiat 500e and Stellantis e-CMP (e-208, Corsa-e, ë-C4…)
Fiat 500eStellantis e-CMP (e-208, Corsa-e, ë-C4…)
Technical data
TypeEngineEngine
FuelElectricalElectrical
Displacement——
Timing——
Power95–118 hp136–156 hp
Productionsince 2020[6][7]since 2019[8][9]
Reliability
Risk index (what is it?)32Moderate risk36Moderate risk
Documented faults25
Of high or critical severity13
Worst severityCritical severityCritical severity
Main faults
  1. Critical severity: Traction battery fire risk (2023 and 2024 recalls)
  2. Medium severity: Refusals and interruptions of AC charging
  1. High severity: Loss of traction from a high-voltage system cut-out (‘electric traction fault’ warning)
  2. High severity: Traction battery control calibration: motor cut-out from faulty readings (2022)
  3. Critical severity: Astra Electric: communication fault between control units that can make the car move backwards (2023)
Most expensive documented repairNo reliable dataNo reliable data
Which versions to buy
BuyRecommended versionsNoneNone
With cautionVersions to be cautious about
  • 500e Action 23.8 kWh, 95 hp (2020-)[1]
  • 500e 42 kWh, 118 hp (2020-)[1]
  • e-CMP 50 kWh, 136 hp (2019-2024)[3][4][5]
  • Large vans 75 kWh, 136 hp (2020-2024)[9][10]
  • e-CMP second generation 54 kWh, 156 hp (2022-)[11][12][13]
AvoidVersions to avoidNoneNone

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

Cars that each one is fitted to

Fiat 500e

Stellantis e-CMP (e-208, Corsa-e, ë-C4…)

See the 19 models with the Stellantis e-CMP (e-208, Corsa-e, ë-C4…)

Other comparisons

With the Fiat 500e

With the Stellantis e-CMP (e-208, Corsa-e, ë-C4…)

Compare other engines

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Sources

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

  1. Tous les problèmes sur Fiat 500e 2020 (23 témoignages)Fiches-auto.fr · Reliability study · consulted 30 October 2026 · in French
  2. Fiat 500e: Probleme und SchwachstellenGebrauchtwagenberater.de · Motoring press · consulted 30 October 2026 · in German
  3. Ni un solo eléctrico baja del 86 % de batería: 500.000 tests miden la degradación de 20 modelos a los 150.000 kmtestcoches.es · Reliability study · published 4 September 2026 · consulted 30 October 2026 · in Spanish
  4. Peugeot e-208, e-2008, DS 3 e-Tense. Un rappel de 5 761 exemplairesL'argus · Motoring press · published 20 April 2022 · consulted 30 October 2026 · in French
  5. E-Fahrzeug-Rückruf: E-Motor könnte ausfallenauto motor und sport · Motoring press · published 1 March 2023 · consulted 30 October 2026 · in German
  6. Fiat 500e (Wikipedia, alemán)Wikipedia · Other source · consulted 30 October 2026 · in German
  7. Fiat 500e (Wikipedia, español)Wikipedia · Other source · consulted 30 October 2026 · in Spanish
  8. Common Modular Platform (CMP / e-CMP)Wikipedia · Other source · consulted 30 October 2026
  9. Peugeot Expert (electric versions)Wikipedia · Other source · consulted 30 October 2026
  10. E-Auto: Rückruf bei Opel, Peugeot, Citroën und DSGebrauchtwagenberater.de · Motoring press · published 8 June 2023 · consulted 30 October 2026 · in German
  11. Fiat 600 : fiabilité, pannes et rappels (600e)Fiches-auto.fr · Reliability study · consulted 30 October 2026 · in French
  12. Rückruf Opel Astra Electric: Kann in falsche Richtung fahrenauto motor und sport · Motoring press · published 23 November 2023 · consulted 30 October 2026 · in German
  13. Opel Astra (Astra Electric)Wikipedia · Other source · consulted 30 October 2026