Lifted Subaru Tire Size Chart

We have been getting a lot of questions lately about which tire sizes one can run on their lifted Subaru, so we've compiled a list of verified tire sizes for different cars in the RalliTEK shop. We have 2 different columns: one is the standard size, and we will tell anyone in the stated lift range that they can run; the other column is for an aggressive fitment.

AGGRESSIVE TABLES: The aggressive fitments usually come with the potential for minor trimming, cutting/flattening of a pinch weld, or, at the very least, using a heat gun to melt the inner fender out of the way of the tire.

NOTE: This guide is just a reference; there are a lot of variables that can affect fitment. Please refer to your local wheel and tire dealer for confirmation.

2013-2023 Subaru Crosstrek

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Size Diameter Recommended Offset
215/75R15 27.7" +15mm
215/70R16 27.9" +15mm
225/60-17 27.6" +35mm
Size Diameter Recommended Offset
235/75R15 28.9" +15mm
235/70R16 29.0" +15mm
235/65R17 29.0" +35mm

2024+ Subaru Crosstrek

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Size Diameter Recommended Offset
235/65R17 29.0" +35mm
Size Diameter Recommended Offset
235/70R17 30" +35mm

1998-2013 Subaru Forester

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RalliTEK Subaru Forester Front View Offroad
Size Diameter Recommended Offset
215/75R15 27.7" +15mm
215/70R16 27.9" +15mm
225/60-17 27.6" +35mm
Size Diameter Recommended Offset
235/75R15 28.9" +15mm
235/70R16 29.0" +15mm
235/65R17 29.0" +35mm

2014-2018 Subaru Forester

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Size Diameter Recommended Offset
225/70R16 28.4" +15mm
225/65R17 28.5" +35mm
Size Diameter Recommended Offset
225/70R16 29.5" +15mm
235/65R17 29.0" +35mm

2019-2024 Subaru Forester

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RalliTEK Subaru Forester Wilderness Front View
RallITEK Subaru Forester Wilderness Side Rear View
Size Diameter Recommended Offset
225/65R17 28.5" +35mm
Size Diameter Recommended Offset
245/65R17 29.5" +35mm

2025+ Subaru Forester

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2026 Forester Wilderness with RalliTEK 2" Lift Spring Kit
Size Diameter Recommended Offset
235/65R17 29.0" +35mm
Size Diameter Recommended Offset
245/65R17 29.5" +35mm

1995-2009 Subaru Outback

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2004 Subaru Outback Lifted Offroad with Mountains behind
Size Diameter Recommended Offset
215/75R15 27.7" +15mm
215/70R16 27.9" +15mm
225/60-17 27.6" +35mm
Size Diameter Recommended Offset
235/75R15 28.9" +15mm
235/70R16 29.0" +15mm
235/65R17 29.0" +35mm

2010-2014 Subaru Outback

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Size Diameter Recommended Offset
225/65R17 28.5" +35mm
Size Diameter Recommended Offset
235/65R17 29.0" +35mm

2015-2026 Subaru Outback

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Size Diameter Recommended Offset
245/65R17 29.5" +35mm
Size Diameter Recommended Offset
245/70R17 30.5" +35mm

2019-2026 Subaru Ascent

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Size Diameter Recommended Offset
255/65R18 31.1" +45mm
Size Diameter Recommended Offset
255/70R18 32.1" +45mm

2008+ Subaru Impreza / WRX / STI

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Size Diameter Recommended Offset
225/55R17 27.0" +35mm
Size Diameter Recommended Offset
215/65R17 28.0" +35mm