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255/40R18 Tires

We stock 71 tires in size 255/40R18 from 20 brands. Prices run from $127.49 to $282.88 per tire ($509.96–$1131.52 per set of four). Available as all-season, summer, winter fitments.

71 tires found
Toyo Observe Gsi-6 255/40R18 XL Observe Gsi-6 HP
Toyo
Observe Gsi-6
255/40R18 XL
Winter
$155.51/tire
$622.04 set of 4
Toyo Proxes Sport 255/40ZR18 XL Proxes Sport
Toyo
Proxes Sport
255/40ZR18 XL
Summer
$180.47/tire
$721.88 set of 4
Toyo Proxes Sport 2 255/40R18 XL Proxes Sport 2
Toyo
Proxes Sport 2
255/40R18 XL
All-Season
$189.71/tire
$758.84 set of 4
Pirelli Cinturato P7 255/40R18 Cinturato P7 (*) Runflat
Pirelli
Cinturato P7
255/40R18
Summer Run-flat
$282.87/tire
$1131.48 set of 4
Pirelli Pzero (PZ4) 255/40ZR18 XL Pzero (PZ4-Sport)
Pirelli
Pzero (PZ4)
255/40ZR18 XL
$205.05/tire
$820.20 set of 4
Nexen Nfera AU7 255/40R18 Nfera AU7
Nexen
Nfera AU7
255/40R18
$158.25/tire
$633.00 set of 4
Nexen Nfera SU1 255/40R18 XL Nfera SU1
Nexen
Nfera SU1
255/40R18 XL
$161.25/tire
$645.00 set of 4
Michelin Pilot Sport 4 255/40R18 XL Pilot Sport 4 Run Flat (*)
Michelin
Pilot Sport 4
255/40R18 XL
Summer Run-flat
$276.74/tire
$1106.96 set of 4

Frequently asked questions

What does 255/40R18 mean?

255 is the section width in millimetres, 40 is the aspect ratio (the sidewall is 40% of the width, about 102 mm), and R18 means a radial tire for a 18-inch wheel. Overall diameter is roughly 26 inches.

How much do 255/40R18 tires cost?

At ExtraBrake they range from $127.49 to $282.88 per tire, which is $509.96 to $1131.52 for a set of four.

Can I fit a different size than 255/40R18?

Only fit a size approved for your vehicle. The manufacturer's recommended size is printed on the driver's door-jamb placard and in the owner's manual; changing size affects speedometer accuracy, load capacity and handling.