R65 ✓ Factory-verified

Cadillac · Regular Production Option

Tires, P255/35ZR18 front and P275/35ZR18 rear, performance, summer-only

Years 2018, 2025–26 Models 2 Factory citations 3

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Also described as Tires, 255/35ZR18 front, 275/35ZR18 rear, high-performance, summer-only

Documented applications

ATS — Alpha (2013–2019) →

• 2018 ✓ Factory-verified

  only in: ATS-V

  ⛭ GM factory document — 2018 cadillac ats v fleet order guide wayback, p.3.

CT4 — Alpha 2 (2020–2026) →

• 2025–2026 ✓ Factory-verified

  only in: CT4-V and CT4-V Blackwing; V-Series Blackwing: S

  ⛭ GM factory document — 2025 cadillac ct4 v ct4 v blackwing fleet order guide, p.6.

  ⛭ GM factory document — 2026 cadillac ct4 v ct4 v blackwing fleet order guide, p.7.

Related codes · mentioned in these notes

SV

This page aggregates every documented appearance of R65 in the Cadillac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.