BMW eDrive de 5.ª generación (iX3, i4, iX) vs Mazda MX-30 e-Skyactiv: which engine is more reliable?

According to our risk index, the Mazda MX-30 e-Skyactiv carries less risk than the BMW eDrive de 5.ª generación (iX3, i4, iX): 29/100 versus 38/100 (both moderate risk). The BMW eDrive de 5.ª generación (iX3, i4, iX) has 3 documented serious faults, the main one being «Cells with a damaged cathode in the high-voltage battery (fire risk)»; the Mazda MX-30 e-Skyactiv has 1 documented serious fault, the main one being «Motor Hill Assist and brake lights: software fault in the electric motor control».

Risk index

BMW eDrive de 5.ª generación (iX3, i4, iX)

Moderate risk · 3 serious faults

Risk index

Mazda MX-30 e-Skyactiv

Moderate 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

Reviewed on 30 October 202618 sources How we work

Is the BMW eDrive de 5.ª generación (iX3, i4, iX) reliable?

The sources consulted record no faults with the motor or the reduction gear. What is documented are small recalls for the battery (cells, modules, pads) and the integrated charger, concentrated on cars built from 2021 to 2023: ask for the chassis number and the paperwork.^[1][2][3]

See the 5 of the BMW eDrive de 5.ª generación (iX3, i4, iX) faults

Is the Mazda MX-30 e-Skyactiv reliable?

The MX-30 e-Skyactiv's electric powertrain has no faults of its own documented: the two European campaigns for the drivetrain (Motor Hill Assist on 2020 cars and the on-board charger on 2022–2023 cars) are corrected with software. We have found no battery degradation or motor faults in the sources consulted.^[4][5][6]

See the 2 of the Mazda MX-30 e-Skyactiv faults

Side-by-side comparison

Comparison of BMW eDrive de 5.ª generación (iX3, i4, iX) and Mazda MX-30 e-Skyactiv
Item	BMW eDrive de 5.ª generación (iX3, i4, iX)	Mazda MX-30 e-Skyactiv
Technical data
Type	Engine	Engine
Fuel	Electrical	Electrical
Displacement	—	—
Timing	—	—
Power	282–650 hp	145 hp
Production	since 2020^[3][7][8][9]	2020–2024^[10][11][12]
Reliability
Risk index (what is it?)	38Moderate risk	29Moderate risk
Documented faults	5	2
Of high or critical severity	3	1
Worst severity	Critical severity	High severity
Main faults	Critical severity: Cells with a damaged cathode in the high-voltage battery (fire risk) Critical severity: Protective pads for the high-voltage battery not fitted (2021 i4) High severity: Battery cell and module monitoring circuit out of specification	High severity: Motor Hill Assist and brake lights: software fault in the electric motor control Medium severity: On-board charger (OBC) with faulty software: detects a cable that is not there and the car will not start
Most expensive documented repair	No reliable data	No reliable data
Which versions to buy
BuyRecommended versions	iX3 (G08) 80 kWh, 286 hp (2020-2024)^[2][3]	None
With cautionVersions to be cautious about	i4 eDrive35 and eDrive40 rear-wheel drive (2021-)^[2][13] i4 xDrive40, M50 and M60 all-wheel drive (2022-)^[2][7] iX xDrive40, xDrive50 and M60 (2021-2025)^[2][14][15] iX xDrive45, xDrive60 and M70 (2025-)^[8][16]	MX-30 e-Skyactiv EV 35.5 kWh, 145 hp (2020–2022)^[5][17] MX-30 e-Skyactiv EV 35.5 kWh, 145 hp, improved charging (2022–2024)^[4][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

BMW eDrive de 5.ª generación (iX3, i4, iX)

Mazda MX-30 e-Skyactiv

Mazda MX-30

Other comparisons

With the BMW eDrive de 5.ª generación (iX3, i4, iX)

With the Mazda MX-30 e-Skyactiv

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Sources

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

Rückruf BMW i4 und iX: Batterieproblemeauto motor und sport · Motoring press · published 24 June 2022 · consulted 30 October 2026 · in German
DVSA – base de llamadas a revisión (R/2021/361, R/2022/020, R/2022/330, R/2023/133, R/2023/235, R/2024/211, R/2025/274)DVSA (Reino Unido) · Official body · consulted 30 October 2026
Probleme mit dem BMW iX3: typische Schwächen inkl. RückrufeCarWiki · Motoring press · consulted 30 October 2026 · in German
Mazda MX-30: faulty charge controller software (KBA 012881)car-recalls.eu · Other source · published 18 July 2023 · consulted 30 October 2026
Mazda MX-30: brake lights and Motor Hill Assistcar-recalls.eu · Other source · published 18 February 2021 · consulted 30 October 2026
Mazda MX-30: problemas comunes y llamadas a revisióncar-recalls.eu · Other source · consulted 30 October 2026
BMW i4Wikipedia (en) · Other source · consulted 30 October 2026
BMW iXWikipedia (en) · Other source · consulted 30 October 2026
BMW X3 (G01): sección iX3 (G08)Wikipedia (en) · Other source · consulted 30 October 2026
Mazda MX-30Wikipedia (alemán) · Other source · consulted 30 October 2026 · in German
Mazda MX-30Wikipedia (francés) · Other source · consulted 30 October 2026 · in French
Mazda MX-30 DR: ModellvariantenADAC Autokatalog · Technical documentation · consulted 30 October 2026 · in German
Safety Gate: alerta A12/00124/22, BMW i4 (almohadillas de la batería de alta tensión)Comisión Europea – Safety Gate · Official body · published 18 January 2022 · consulted 30 October 2026
BMW iX (2022): EV/Hybrid, firecar-recalls.eu · Other source · published 21 September 2022 · consulted 30 October 2026
BMW iX Probleme (i20): Mängel, Schwachstellen und RückrufeCarWiki · Motoring press · consulted 30 October 2026 · in German
BMW iX reliabilityAuto Express · Motoring press · consulted 30 October 2026
Mazda MX-30 (2020): brake lights and Motor Hill Assist (alerta A12/00247/21)car-recalls.eu · Other source · published 26 February 2021 · consulted 30 October 2026
Mazda MX-30 (DR): starting problems, KBA recallcar-recalls.eu · Other source · published 26 June 2023 · consulted 30 October 2026