BMW
i4
Hyundai
IONIQ 5
BMW i4 vs Hyundai IONIQ 5: 2025 Comparison
The short answer
Based on available data, the Hyundai IONIQ 5 comes out ahead of the BMW i4 on power. Check the specs table and owner sentiment below for the full comparison before deciding between the two. Both are covered by real owner reports on CarWizz.
Specs side by side
What owners say
i4
Overall
Positive sentiment overall, with owners frequently praising the vehicle's driving dynamics, build quality, and refinement. The i4 is consistently described as a "great car" that is "fun to drive," with a high-quality interior that outperforms many competitors in finesse. The M50 performance variant is noted for its "ridiculously fun" acceleration and speed.
Best version to buy
Insufficient owner data available to declare a consensus "best" trim. The M50 performance model is frequently mentioned and praised for its speed and fun factor.
Known issues
- ⚠Severe depreciation: Values described as falling dramatically, with a 2022 i4 M50 cited as dropping from ~£70,000 to ~£36,000 in approximately three years. Frequency: very frequent.
- ⚠Uncomfortable driver's seat: Specifically noted as not comfortable for long drives, with both Sensatec and Vernasca leather options cited. Frequency: recurrent.
- ⚠Wireless charger malfunction: Described as nearly useless, overheating phones, and charging slower than the phone's battery depletes during navigation use. Frequency: recurrent.
IONIQ 5
Overall
Sentiment is sharply divided, creating a high-risk, high-reward ownership profile. On the positive side, the vehicle is very frequently praised for its unique and head-turning retro-futuristic design, spacious and comfortable interior, smooth and quiet ride quality, rapid DC charging capability (800V architecture), and useful Vehicle-to-Load (V2L) feature. Many owners report high satisfaction, describing it as one of the best cars they've owned, with excellent driving dynamics and practicality.
Best version to buy
Insufficient owner data available to declare a consensus "best" trim. Commentary indicates the Limited (or Ultimate) trim is appreciated for its higher feature content, including a physical button for seat profiles.
Known issues
- ⚠ICCU (Integrated Charging Control Unit) failure: causes complete vehicle shutdown, long repair delays, subject of government investigation and potential class-action lawsuits. Frequency: very frequent.
- ⚠Software bugs and electronic glitches: slow user profile loading, cruise control and driver aids disabled by rain/snow, system freezes, unreliable wireless CarPlay/Android Auto. Frequency: very frequent.
- ⚠12V battery failures: causes warning messages and complete no-start conditions, requiring booster packs or replacement. Frequency: recurrent.
The verdict
The BMW i4 is the better choice for most buyers.
It has stronger reliability sentiment in owner reports than the Hyundai IONIQ 5, based on the data above. If the specific known issues on the BMW i4 are a dealbreaker, the Hyundai IONIQ 5 is worth a closer look instead.
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Frequently asked questions
Which is more reliable, the BMW i4 or the Hyundai IONIQ 5?
Owner reports lean more positive on reliability for the BMW i4 than the Hyundai IONIQ 5. See the known issues comparison above for the specific concerns owners report on each.
Which is better for families, the BMW i4 or the Hyundai IONIQ 5?
Both seat a similar number of passengers based on our data. The BMW i4 is classed as a Coupe, the Hyundai IONIQ 5 as a SUV, which affects cargo space and ride height for family use.
Which has better fuel economy, the BMW i4 or the Hyundai IONIQ 5?
Fuel consumption data is limited for one or both models. Check the specs table above for the figures available on each catalogued version.
Which is cheaper to maintain, the BMW i4 or the Hyundai IONIQ 5?
Exact maintenance costs aren't in our data, but reliability signals above are the closest proxy: fewer reported issues generally means lower repair costs over time.