Opel Tire Sizes and Rim References by Model and Year | OEM Tire Guide

Discover detailed tire size and rim width/diameter information for all Opel vehicle models on our reference page.\n\nEach Opel model is organized by production year to help you identify the exact OEM tire codes, including the essential metric tire size markings tailored to your vehicle.\n\nThis guide will help you maintain recommended tire specifications for optimal performance, safety, and handling.\n\nUse the provided data to verify your current tires or when purchasing replacements to ensure correct fitment and compliance with Opel manufacturer standards.

78 models

Tire size calculatorShow

Compare two tire sizes — diameter, speedometer error, and clearance change.

WidthHeightRadius

inch

	Size 1	Size 2	Diff	Diff(%)
Diameter	25.0"	25.4"	0.5"	1.89%
Width	7.7"	8.5"	0.8"	10.26%
Circumference	78.4"	79.9"	1.5"	1.86%
Profile height	5.0"	4.2"	-0.7"	-15.08%
Turnover per mile	807	793	14	-1.73%
Clearance	-	-	+0.2"	-

25.0"

7.7"

25.5"

8.5"

15"

5.0"

17"

4.2"

Speedometer Error

(First wheel OEM size)

Reading	20 mph	30 mph	40 mph	50 mph	60 mph	70 mph	80 mph	90 mph
Actual	20.4	30.5	40.7	50.9	61.1	71.2	81.4	91.6