Section Width205 mm (8.1")
Aspect Ratio66%
Rim Diameter19"
Overall Diameter753 mm (29.6")
Sidewall Height135 mm
Circumference2366 mm
205/66R19 — Buy Tires

Everything to know about the 205/66R19 tire size

Size geometry

A 205/66R19 tire has a 205mm section width and a 66% aspect ratio, mounted on a 19-inch rim. Sidewall height works out to 135.3mm (5.33") and overall outside diameter is 753.2mm (29.65"). At highway speed the tire completes about 423 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 205/66R19 is unavailable, the closest same-diameter substitutes on the same rim are 195/69R19 and 215/63R19. Both keep your speedometer reading within 1% — safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.

Plus / minus sizing options

For a 205/66R19 you can upsize to 215/57R20 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 195/76R18 (minus-one) for a softer ride or winter setup. Both stay inside the Âą3% diameter tolerance that ABS and TPMS systems expect.

Vehicle compatibility

0 vehicles in our database run the 205/66R19 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance — match these specs to your wheel before purchasing tires.

Vehicles Using 205/66R19

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