What tyre size does a Citroën C6 use?

The most common size is 245/45R18. Depending on generation and engine, the Citroën C6 uses 2 different sizes including 225/55R17, 245/45R18.

Where do I find my exact Citroën C6 tyre size?

Check the tyre placard in the driver's door jamb or fuel flap, or use the lookup tool on this page to select your generation and engine.

Tyres › Citroën › C6

Citroën C6 tyre sizes

All factory fitments by generation and engine — 2 sizes across 1 generation.

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Quick answer

The most common tyre size on the Citroën C6 is 245/45R18 (overall diameter ≈ 678 mm). Exact fitment depends on generation and engine — full breakdown below.

C6 (T*...) 2005 - 2012 - Limousine (2005–2012)

Engine	Tyre sizes
C6 2.2 HDi - 163 PS - Diesel - 2179 Hubraum	225/55R17 245/45R18
C6 2.2 HDi - 170 PS - Diesel - 2179 Hubraum	225/55R17 245/45R18
C6 3.0 HDi (beschussgeschützt) - 241 PS - Diesel - 2992 Hubraum	245/45R18
C6 3.0 HDi - 241 PS - Diesel - 2992 Hubraum	245/45R18
C6 3.0 V6 - 211 PS - Benzin - 2946 Hubraum	225/55R17 245/45R18
C6 V6 HDi 205 Biturbo (beschussgeschützt) - 204 PS - Diesel - 2720 Hubraum	245/45R18
C6 V6 HDi 205 Biturbo - 204 PS - Diesel - 2720 Hubraum	225/55R17 245/45R18

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