2019 Volkswagen Tiguan — SEL R-Line 4Motion

The 2019 Volkswagen Tiguan SEL R-Line 4Motion came from the factory equipped with 235/55R18 tires. If your vehicle has since been fitted with aftermarket or upsized wheels, your actual tire size may no longer match this factory spec — always confirm against your door placard before buying.

235/55R18

Section width235 mm
Aspect ratio (sidewall height)55% (129.3 mm)
Rim diameter18"
Overall tire diameter~28.2"
Revolutions per mile~716

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What this size means for your Volkswagen Tiguan

On the 2019 Volkswagen Tiguan SEL R-Line 4Motion, the factory 235/55R18 measures about 28.2″ in overall diameter with a 129.3 mm (5.1″) sidewall, and completes roughly 716 revolutions per mile. Its 55-series aspect ratio gives a balanced everyday-passenger profile — enough sidewall to soak up road shock while keeping steering response crisp. In tire terms it is a passenger (P-metric / Euro-metric) size.

Other 2019 Volkswagen Tiguan trims

Volkswagen Tiguan tire sizes by year

See every Volkswagen Tiguan year & trim →

How to read a tire size

A tire size like 225/45R17 breaks down into three parts: the first number is the section width in millimeters (the tire's width from sidewall to sidewall), the second is the aspect ratio — the sidewall's height as a percentage of that width — and the number after the "R" is the rim diameter in inches. A letter prefix (P or LT) indicates Passenger or Light Truck construction; its absence usually means Euro-metric sizing.

Some trucks and off-road tires instead use "flotation" sizing, like 37X12.50R17 — here the numbers are the tire's overall diameter and width in inches directly, with the rim diameter last.

Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.