Subaru WRX STI – 2016
2014-2023 8 engines 7 sizes
The Subaru WRX STI was produced from 2014 to 2023. Below you'll find all factory tyre dimensions with recommended pressure, compatible alternative sizes, and tyres in stock with load and speed index that meet the manufacturer specification.
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Factory fitment sizes
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Questions about tyres for Subaru WRX STI
What are the factory tyre sizes for Subaru WRX STI?
Factory-fitment sizes for Subaru WRX STI: 245/40 R18, 255/35 R19. These are the dimensions specified by the manufacturer.
What is the recommended tyre pressure for Subaru WRX STI?
Recommended pressure for Subaru WRX STI is around 2.3 bar. Exact value depends on load and tyre size - check the door jamb sticker for your specific configuration.
Which load and speed index does this car require?
For Subaru WRX STI the minimum factory load index is 89 and speed index is W. Replacement tyres must meet or exceed these ratings.
Can I install winter tyres of different sizes?
Alternative sizes are allowed if the overall rolling diameter stays within ±3% of the OEM specification and load/speed index meet requirements. Winter tyres are mandatory in Croatia from 15 November to 15 April.