The short answer
Based on available data, the Audi Q5 comes out ahead of the Lexus RX 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
Mixed sentiment with a clear dichotomy. The vehicle is consistently praised for its superior driving dynamics, handling, and refinement compared to mainstream and some luxury competitors. Owners frequently describe it as "fun to drive," "super quiet and smooth," and possessing a solid, tank-like build quality.
Best version to buy
The 3.0T supercharged V6 engine (found in pre-2017 Q5 models and in the SQ5) is very frequently recommended over the 2.0T four-cylinder for its power, refinement, and perceived reliability. For newer generations, the plug-in hybrid Q5 e is suggested as a high-feature, powerful, and efficient alternative to the performance-oriented SQ5.
Known issues
Overall
Overwhelmingly positive sentiment centered on exceptional long-term reliability, comfort, and low ownership costs. The RX is consistently described as a "bombproof," comfortable, and quiet vehicle built to last well over 150,000 miles with minimal issues. Owners report high satisfaction with its role as a refined, practical daily driver and family vehicle.
Best version to buy
For the 2016-2022 generation, models equipped with the naturally aspirated V6 engine (RX 350) are highly recommended for their proven, bulletproof reliability. For the 2023+ generation, the plug-in hybrid RX 450h+ receives strong praise for its combination of smooth EV driving, ample power (0-60 in 5.8 seconds per owner-cited review), and efficiency, though its high cost is noted.
Known issues
The verdict
The Lexus RX is the better choice for most buyers.
It has stronger reliability sentiment in owner reports than the Audi Q5, based on the data above. If the specific known issues on the Lexus RX are a dealbreaker, the Audi Q5 is worth a closer look instead.
Other comparisons
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Which is more reliable, the Audi Q5 or the Lexus RX?
Owner reports lean more positive on reliability for the Lexus RX than the Audi Q5. See the known issues comparison above for the specific concerns owners report on each.
Which is better for families, the Audi Q5 or the Lexus RX?
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 Audi Q5 or the Lexus RX?
The Audi Q5 is more fuel-efficient on paper: 2.6-8.3 L/100km combined versus 8.7 L/100km for the Lexus RX, based on the best-equipped catalogued version of each.
Which is cheaper to maintain, the Audi Q5 or the Lexus RX?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Audi Q5 than the Lexus RX. See the known issues comparison above.