All cars wheel fitment and tire size guide

Audi A7 wheel sizes

Year	Wheel size	Offset	Bolt pattern	Tire size
Audi A7 3.0 TDI
2010	17x8.0	35	5x112	235/55R17
2011	17x8.0	35	5x112	235/55R17
2012	17x8.0	35	5x112	235/55R17
2013	17x8.0	35	5x112	235/55R17
Audi A7 3.0 TFSI
2010	17x8.0	35	5x112	235/55R17
2011	17x8.0	35	5x112	235/55R17
2012	17x8.0	35	5x112	235/55R17
2013	17x8.0	35	5x112	235/55R17
Audi A7 3.0TDi
2010	17x7.0	45	5x112	235/55R17
	17x8.0	45	5x112	235/55R17
	18x8.5	45	5x112	255/45R18
	19x8.5	45	5x112	235/45R19
	20x9.0	39	5x112	265/35R20
2011	17x7.0	45	5x112	235/55R17
	17x8.0	45	5x112	235/55R17
	18x8.5	45	5x112	255/45R18
	19x8.5	45	5x112	235/45R19
	20x9.0	39	5x112	265/35R20
2012	17x7.0	45	5x112	235/55R17
	17x8.0	45	5x112	235/55R17
	18x8.5	45	5x112	255/45R18
	19x8.5	45	5x112	235/45R19
	20x9.0	39	5x112	265/35R20
Audi A7 3.0TFSi
2010	17x7.0	45	5x112	235/55R17
	17x8.0	45	5x112	235/55R17
	18x8.5	45	5x112	255/45R18
	19x8.5	45	5x112	235/45R19
	20x9.0	39	5x112	265/35R20
2011	17x7.0	45	5x112	235/55R17
	17x8.0	45	5x112	235/55R17
	18x8.5	45	5x112	255/45R18
	19x8.5	45	5x112	235/45R19
	20x9.0	39	5x112	265/35R20
2012	17x7.0	45	5x112	235/55R17
	17x8.0	45	5x112	235/55R17
	18x8.5	45	5x112	255/45R18
	19x8.5	45	5x112	235/45R19
	20x9.0	39	5x112	265/35R20

Wheel size Audi A7:
PCD 5x112 diametr for 17 to 20, width for 7J to 9J, offset for 35 to 45. Similar to Mercedes SLK-Class (R172) 250 CDI / d 2018

Tire size 17 to 20, width 235 to 265 and tire aspect 35 to 55.
Smallest tire size: 255/45R18, Largest: 265/35R20.