Lexus NX Tyres
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Lexus NX tyres are listed in eight sizes across 18, 19 and 20-inch rims. On the Lexus NX, some are run-flat on certain versions, so check the sidewall before you order.
Tyre Sizes That Fit This Collection
Factory sizes begin with 235/50R20, 225/60R18, 235/60R18 and 235/55R18, followed by four optional 19-inch sizes.
- 235/50R20 tyres: factory fitment, 2014 onwards; run-flat on some versions
- 225/60R18 tyres: factory fitment, 2014 onwards
- 235/60R18 tyres: factory fitment, 2014 onwards; run-flat on some versions
- 235/55R18 tyres: factory fitment, 2014 onwards
- 225/55R19 tyres: also listed as a fit, 2014 onwards; run-flat on some versions
- 235/55R19 tyres: also listed as a fit, 2014 onwards
- 235/50R19 tyres: also listed as a fit, 2014 onwards
- 245/50R19 tyres: also listed as a fit, 2014 onwards
For the Lexus NX, the door-jamb placard lists the original size, and the sidewall repeats it with the load index and speed rating. Look for the run-flat marking too, because it means a reinforced sidewall and you should replace like with like. If you are unsure, visit a Bob Jane T-Marts store and ask a fitter.
Run-flat tyres and ride comfort
The 235/60R18 and 225/60R18 have the tallest walls and the softest ride. The 235/50R20 is the lowest and widest, with sharper steering and a higher price.
On the Lexus NX, where your tyres are marked run-flat, compare run-flat tyres so you stay with the same type. For quieter running, everyday driving tyres are worth comparing on the noise rating.
Pressure checks and alignment
On the Lexus NX, run-flat tyres can hide a slow leak because the reinforced sidewall keeps the tyre looking normal. For the Lexus NX, check pressures cold every month and treat any warning light seriously.
For the Lexus NX, a wheel alignment check with new tyres protects them from uneven wear. Replace in pairs or full sets with the same type.
Ask the fitter to read the date code on each tyre, since rubber hardens with age even when the tread looks fine. Wheel balance matters on larger wheels, so ask for each wheel to be balanced.
Tyre noise differs between brands in the same size, so compare the noise rating on the label alongside wet grip. A quieter tyre makes long trips more comfortable, and a fitter can talk through the options in store.
Ask for the tread depth to be measured across the whole width at every service.
These sizes are matched to the Lexus NX. Other Lexus models are covered separately, including Lexus LS tyres and Lexus LX tyres.
FAQs
What size tyres does a Lexus NX take?
Factory sizes listed are 235/50R20, 225/60R18, 235/60R18 and 235/55R18, with 225/55R19, 235/55R19, 235/50R19 and 245/50R19 as options. Check your placard.
How much do Lexus NX tyres cost?
Lexus NX tyres start at $174 and go up to $701 each. On the Lexus NX, you pay one price per tyre, and it covers fitting, balancing, valves, GST and disposal of the old tyres.
Can I replace a run-flat with a normal tyre?
On the Lexus NX, only after a fitter confirms it suits your wheels and any pressure monitoring. Avoid mixing types across one axle.
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