Audi
Q4 e-tron
BMW
i4
Audi Q4 e-tron vs BMW i4: 2025 Comparison
The short answer
Based on available data, the BMW i4 comes out ahead of the Audi Q4 e-tron 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
Q4 e-tron
Overall
Mixed to negative sentiment overall, with a clear divide between appreciation for traditional Audi virtues and significant criticism of its execution as an electric vehicle. The vehicle is consistently praised for its quiet, refined ride quality, comfortable and supportive seats, solid build quality with minimal rattles, and familiar, ergonomic interior layout with physical HVAC buttons. However, very frequent and severe criticism is directed at pervasive software and electronic reliability issues, including immobilizing drive system failures, infotainment system bugs, and problematic connectivity.
Best version to buy
Insufficient owner data available to identify a consensus "best" trim or version. Discussions focus more on model year and powertrain (e.g., Q4 40 vs. 50) rather than trim level superiority.
Known issues
- ⚠Software and Electronic System Failures: "Drive system failure" errors rendering the car immobile, requiring towing; infotainment (MMI) freezes, lag, and disconnections from CarPlay/Android Auto; unreliable Audi Connect app with missing fe…
- ⚠Air Conditioning (A/C) System Failures: Complete loss of cooling, requiring repair of leaks or component replacement; parts on backorder leading to lengthy repair times. Frequency: recurrent.
- ⚠Interior Material Quality: Extensive use of hard, scratchy plastics on dash and door panels; excessive piano black trim that scratches easily; perceived as cheap and not befitting the luxury segment or price. Frequency: very frequent.
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.
The verdict
The BMW i4 is the better choice for most buyers.
It has stronger reliability sentiment in owner reports than the Audi Q4 e-tron, based on the data above. If the specific known issues on the BMW i4 are a dealbreaker, the Audi Q4 e-tron is worth a closer look instead.
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Frequently asked questions
Which is more reliable, the Audi Q4 e-tron or the BMW i4?
Owner reports lean more positive on reliability for the BMW i4 than the Audi Q4 e-tron. See the known issues comparison above for the specific concerns owners report on each.
Which is better for families, the Audi Q4 e-tron or the BMW i4?
Both seat a similar number of passengers based on our data. The Audi Q4 e-tron is classed as a SUV, the BMW i4 as a Coupe, which affects cargo space and ride height for family use.
Which has better fuel economy, the Audi Q4 e-tron or the BMW i4?
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 Audi Q4 e-tron or the BMW i4?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Audi Q4 e-tron than the BMW i4. See the known issues comparison above.