Tire Size
Equivalent
Diameter
More Wheel Sizes
14"
15"
16"
17"
18"
19"
20"
21"
22"
23"
24"
26"
Select a Size to Compare Prices on Available Tires
Audi equips the 2008 R8 4.2 with more than one stock tire size. Select each size option to see available tires.
Filter Tire Results [+]
ADVAN Sport A/S PlusAll Season | Ultra High Performance
235/40R18 Avg. $195.75
285/35R18 Avg. $285.50
ExtremeContact DWS 06 PlusAll Season | Ultra High Performance
235/40R18 Avg. $200.60
285/35R18 Avg. $310.00
Azenis FK460 A/SAll Season | Ultra High Performance
235/40R18 Avg. $211.00
285/35R18 Avg. $305.00
$80 REBATE
Pilot Sport All Season 4All Season | Ultra High Performance
235/40R18 Avg. $241.67
285/35R18 Avg. $371.50
$70 REBATE
Potenza SportSummer | Supreme Performance
235/40R18 Avg. $242.00
285/35R18 Avg. $346.00
$80 REBATE
Pilot Sport 4SSummer | Supreme Performance
235/40R18 Avg. $267.67
285/35R18 Avg. $371.25