OEM Tire Size for 2017 FORD Focus ST 5 Doors
Maintaining the factory-recommended tire dimensions is crucial for the safety, fuel efficiency, and handling of your 2017 FORD Focus ST 5 Doors 2.0L EcoBoost 6MT (250 HP). The standard equipment tire size for this specific trim is 235/40R18.
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Thinking about upgrading your wheels? Before changing your rim diameter from the factory 18-inch size, always use our Tire Size Calculator to ensure your speedometer remains accurate.