Audi
Q5
Infiniti
QX50
Audi Q5 vs Infiniti QX50: 2025 Comparison
The short answer
Based on available data, the Audi Q5 comes out ahead of the Infiniti QX50 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.
Specs side by side
What owners say
Q5
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
- ⚠High maintenance and repair costs: very frequent mentions of routine services costing $1,400-$3,000, with out-of-warranty repairs described as exceptionally expensive. Frequency: very frequent.
- ⚠Electronic/Infotainment glitches: includes CarPlay/Bluetooth connectivity failures, random system reboots, unresponsive screens, and parasitic battery drain causing "Low Battery" warnings in new models (e.g., 2025).
- ⚠Sunroof leaks: noted as a design flaw in some generations (e.g., Q3/Q5), requiring extensive disassembly and often recurring. Frequency: recurrent.
QX50
Overall
Sentiment is sharply divided by generation, with a clear consensus that the 2016-2017 (first-generation) models are highly regarded, while the 2019+ (second-generation) models are widely criticized. The first-generation QX50, equipped with the 3.7L V6 and a 7-speed automatic transmission, is consistently praised for its powerful, reliable engine, sporty handling derived from the FM platform shared with the 370Z and G37, and strong value as a used vehicle. Owner satisfaction for these models is very high, with reports of trouble-free ownership up to high mileages.
Best version to buy
The 2016-2017 QX50 with the 3.7L V6 engine, RWD or AWD, and the 7-speed automatic transmission is overwhelmingly recommended as the best version. Specific praise is given to the 2016 model year, which received a stretched wheelbase for increased rear legroom.
Known issues
- ⚠**First Generation (2016-2017, 3.7L V6):** Cooling system leaks: radiator may fail approximately every 80,000 miles; heater hose coupler on passenger side prone to breaking. Frequency: recurrent.
- ⚠**Second Generation (2019+, 2.0L VC-Turbo & CVT):** VC-Turbo engine reliability: catastrophic engine failures and fires due to manufacturing defects in engine bearings, leading to a major recall for 2019-2021 models.
The verdict
The Audi Q5 is the better choice for most buyers.
It has better fuel economy on its best-equipped version than the Infiniti QX50, based on the data above. If power matters more to you than running costs, the Infiniti QX50 is worth a closer look instead.
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Frequently asked questions
Which is more reliable, the Audi Q5 or the Infiniti QX50?
Owner reports show similar reliability sentiment for the Audi Q5 and the Infiniti QX50. Check the known issues listed above for specific differences between the two.
Which is better for families, the Audi Q5 or the Infiniti QX50?
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 Infiniti QX50?
The Audi Q5 is more fuel-efficient on paper: 2.6-8.3 L/100km combined versus 12.1 L/100km for the Infiniti QX50, based on the best-equipped catalogued version of each.
Which is cheaper to maintain, the Audi Q5 or the Infiniti QX50?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Audi Q5 than the Infiniti QX50. See the known issues comparison above.