Lexus NX Common Problems & Reliability
The first-generation Lexus NX (AZ10), produced from 2014 to 2021, successfully introduced Lexus’s sharp, angular "L-Finesse" design language to the booming premium mid-size SUV segment. Positioned as a direct rival to the Audi Q5, BMW X3, and Volvo XC60, the NX differentiated itself with a striking exterior and an uncompromising focus on build quality and hybrid efficiency. In the UK, it has established an iron-clad reputation for reliability and customer satisfaction, appealing strongly to buyers who value a serene, relaxing driving experience over sporty dynamics. Reliability is the defining characteristic of the Lexus NX, with the model consistently topping UK owner satisfaction and dependability surveys. The 300h Self-Charging Hybrid powertrain, which makes up the vast majority of UK sales, is fundamentally "over-engineered" and designed for extreme longevity, often reaching high mileages with only routine maintenance. While mechanical faults are incredibly rare, there are minor owner annoyances to note. The pre-2018 "Remote Touch" trackpad infotainment system is widely criticized for being frustrating and unintuitive to use while driving. Additionally, some owners have reported minor issues with the power tailgate struggling in freezing weather, and the pure-petrol NX 200t (later renamed NX 300) is slightly more complex, with rare reports of turbocharger wear on high-mileage examples. When buying a used NX in the UK, the hybrid (300h) is the definitive choice for both long-term dependability and strong resale value. Prospective owners should focus on finding an example with a full Lexus main dealer service history, as this activates the "Lexus Relax" scheme, extending the manufacturer warranty up to 10 years or 100,000 miles. It is also highly recommended to seek out a post-October 2018 facelift model, which introduced a much-improved infotainment screen and standard Apple CarPlay/Android Auto connectivity. A well-maintained NX remains arguably the most risk-free and dependable premium SUV available on the used market.
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Detailed fault breakdown, symptoms, and estimated repair bills by production year.
Most Common Lexus NX Faults & Repair Costs
Mirror Folding Motor Failure
The motors that fold the wing mirrors can strip their gears or fail electrically, leaving the mirror stuck or making a grinding noise.
Mirrors not folding/unfolding, Grinding noise when locking the car, Mirror wobbling at speed
Infotainment System Glitches
While generally stable, the early NX infotainment systems can suffer from occasional resets or difficulty pairing with modern smartphones.
System reboots while driving, Bluetooth connection drops, Sat-nav map loading slowly
Buying a used Lexus NX? Always check for hidden finance and write-off history.
Mechanical problems are only half the battle. Over 1 in 3 UK used cars checked have unpaid finance or accident write-off records that could cause you to lose the car or thousands in value.