The short answer
Based on available data, the BMW M4 comes out ahead of the Lexus RC on fuel economy and 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.
Overall
Extremely positive sentiment among owners, characterized by high satisfaction with performance, daily drivability, and emotional fulfillment. The M4 is consistently described as a "dream car" that delivers a thrilling, occasion-like driving experience. Owners of the current G82 generation (2021+) praise its all-around capability as a perfect daily driver that is "quick enough to do everything, but also super comfortable," with a smooth ride and impressive technology.
Best version to buy
Insufficient owner data available to declare a consensus "best" version. Strong appreciation is expressed for both the F82 (2015-2020) and G82 (2021+) generations.
Known issues
Overall
Mixed to positive sentiment, heavily dependent on model variant and owner expectations. The RC F (V8) is consistently praised for its bulletproof reliability, exceptional build quality, comfortable and luxurious cabin, and the character of its naturally aspirated V8 engine. It is widely regarded as a superb grand tourer and daily driver that excels in comfort and long-term ownership confidence.
Best version to buy
RC F with the Torque Vectoring Differential (TVD). This configuration is specifically highlighted for improving handling dynamics over non-TVD models.
Known issues
The verdict
The Lexus RC is the better choice for most buyers.
It has stronger reliability sentiment in owner reports than the BMW M4, based on the data above. If the specific known issues on the Lexus RC are a dealbreaker, the BMW M4 is worth a closer look instead.
Other comparisons
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Which is more reliable, the BMW M4 or the Lexus RC?
Owner reports lean more positive on reliability for the Lexus RC than the BMW M4. See the known issues comparison above for the specific concerns owners report on each.
Which is better for families, the BMW M4 or the Lexus RC?
Data on family-specific factors like cargo space is limited for one or both models, but based on available reports, both are positioned as practical daily drivers. Check the specs table above for seating and body type.
Which has better fuel economy, the BMW M4 or the Lexus RC?
The BMW M4 is more fuel-efficient on paper: 10.2 L/100km combined versus 10.8 L/100km for the Lexus RC, based on the best-equipped catalogued version of each.
Which is cheaper to maintain, the BMW M4 or the Lexus RC?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the BMW M4 than the Lexus RC. See the known issues comparison above.