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Stellantis e-CMP (e-208, Corsa-e, ë-C4…) vs Volvo EX30: which engine is more reliable?

According to our risk index, the Volvo EX30 carries less risk than the Stellantis e-CMP (e-208, Corsa-e, ë-C4…): 14/100 (low risk) versus 36/100 (moderate risk). 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)»; the Volvo EX30 has 1 documented serious fault, the main one being «NMC battery cells that may overheat under high charge in the EX30».

Risk index

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

36

Moderate risk · 3 serious faults

Risk index

Volvo EX30

14

Low 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

14 sourcesHow we work

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.[1][2][3]

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

Is the Volvo EX30 reliable?

It has no track record yet: the only documented fault in the drivetrain is the 2026 recall over NMC battery cells, which according to Volvo does not affect units in the EU. There is no data on the motor or the gearbox.[4][5]

See the of the Volvo EX30 fault

Side-by-side comparison

Comparison of Stellantis e-CMP (e-208, Corsa-e, ë-C4…) and Volvo EX30
Stellantis e-CMP (e-208, Corsa-e, ë-C4…)Volvo EX30
Technical data
TypeEngineEngine
FuelElectricalElectrical
Displacement——
Timing——
Power136–156 hp150–428 hp
Productionsince 2019[6][7]since 2024[8][9]
Reliability
Risk index (what is it?)36Moderate risk14Low risk
Documented faults51
Of high or critical severity31
Worst severityCritical severityCritical severity
Main faults
  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)
  1. Critical severity: NMC battery cells that may overheat under high charge in the EX30
Most expensive documented repairNo reliable dataNo reliable data
Which versions to buy
BuyRecommended versionsNone
  • Single Motor 51 kWh LFP, 150-272 hp (2024-present)[5][10]
With cautionVersions to be cautious about
  • e-CMP 50 kWh, 136 hp (2019-2024)[1][2][3]
  • Large vans 75 kWh, 136 hp (2020-2024)[7][11]
  • e-CMP second generation 54 kWh, 156 hp (2022-)[12][13][14]
  • Single Motor Extended Range and Twin Motor Performance, 69 kWh NMC, 272-428 hp (2024-present)[4][5][8]
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

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

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

Volvo EX30

Other comparisons

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

With the Volvo EX30

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. 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
  2. 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
  3. E-Fahrzeug-Rückruf: E-Motor könnte ausfallenauto motor und sport · Motoring press · published 1 March 2023 · consulted 30 October 2026 · in German
  4. Volvo llama a revisión a más de 40.000 EX30 en todo el mundo: riesgo de incendio en la bateríaAutofácil · Motoring press · published 25 February 2026 · consulted 30 October 2026 · in Spanish
  5. Batterieprobleme: Volvo ruft über 40.000 EX30 zurückElektroauto-News · Motoring press · published 24 February 2026 · consulted 30 October 2026 · in German
  6. Common Modular Platform (CMP / e-CMP)Wikipedia · Other source · consulted 30 October 2026
  7. Peugeot Expert (electric versions)Wikipedia · Other source · consulted 30 October 2026
  8. Fiabilité Volvo EX30 (2024): problèmes connus et rappelsFiches-auto.fr · Reliability study · consulted 30 October 2026 · in French
  9. Volvo EX30 (Wikipedia, inglés)Wikipedia · Other source · consulted 30 October 2026
  10. Rückruf Volvo EX30: Maximal 70 Prozent laden, sonst Brandgefahr der BatterieAuto Motor und Sport · Motoring press · published 24 February 2026 · consulted 30 October 2026 · in German
  11. E-Auto: Rückruf bei Opel, Peugeot, Citroën und DSGebrauchtwagenberater.de · Motoring press · published 8 June 2023 · consulted 30 October 2026 · in German
  12. Fiat 600 : fiabilité, pannes et rappels (600e)Fiches-auto.fr · Reliability study · consulted 30 October 2026 · in French
  13. Rückruf Opel Astra Electric: Kann in falsche Richtung fahrenauto motor und sport · Motoring press · published 23 November 2023 · consulted 30 October 2026 · in German
  14. Opel Astra (Astra Electric)Wikipedia · Other source · consulted 30 October 2026