Lowest price
Cooper Discoverer Stt Pro
305/70R18
All-seasonPassenger
Price
$216.96
at SimpleTire4.6(8,900)
Excl. install
Price
$216.96
at SimpleTire
305/70R18Tires
23 prices · 15 brands · 1 retailers · Updated 1 month ago
Cheapest Price
$216.96
at SimpleTire (excl. installation)
Prices updated: July 6, 2026
23 of 23 offers for 305/70R18
Price comparison: 305/70R18
Showing 8 of 23 tires
Price
$225.99
at SimpleTire4.6(8,900)
Excl. install
Price
$225.99
at SimpleTire
Atlander Roverclaw M T I
305/70R18
All-seasonPassenger
Price
$229.96
at SimpleTire4.6(8,900)
Excl. install
Price
$229.96
at SimpleTire
Thunderer Trac Grip M T R408
305/70R18
All-seasonPassenger
Price
$239.06
at SimpleTire4.6(8,900)
Excl. install
Price
$239.06
at SimpleTire
Price
$243.96
at SimpleTire4.6(8,900)
Excl. install
Price
$243.96
at SimpleTire
Kanati Terra Commander Rtx
305/70R18
All-seasonPassenger
Price
$245.67
at SimpleTire4.6(8,900)
Excl. install
Price
$245.67
at SimpleTire
Price
$246.96
at SimpleTire4.6(8,900)
Excl. install
Price
$246.96
at SimpleTire
Price
$274.43
at SimpleTire4.6(8,900)
Excl. install
Price
$274.43
at SimpleTire
Prices per tire · Sales tax may apply · Updated 1 month ago · Submit a price correction
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What Does 305/70R18 Mean?
305
Width
millimetres
70
Profile
% of width
18
Rim
inches
A 305mm wide tire with a sidewall height equal to 70% of the width (213.5mm), fitting a 18-inch rim, a common passenger tire size in the US market.
FAQ: 305/70R18 Tires
Where can I buy 305/70R18 tires online in the USA?+
The cheapest 305/70R18 tires we track start at $216.96 from SimpleTire. Tire Rack, SimpleTire, Priority Tire, and other national retailers ship nationwide; use the table above to compare.
How much does a 305/70R18 tire cost in the USA?+
305/70R18 tires typically range from about $216.96 for value brands up to $477.31 or more for premium performance tires. Installation is usually $15–$25 per tire extra.
Is 305/70R18 the right tire for my car?+
Check your door-jamb sticker or owner's manual. Many vehicles that use 305/70R18 also have approved alternative sizes; see our vehicle fitment pages for common models.
How much does tire installation cost for 305/70R18?+
Most US tire shops charge $15–$25 per tire for mount and balance. Wheel alignment is often $75–$150 extra. Retailers like Tire Rack let you ship to a local installer at checkout.
Is 305/70R18 the same as 305/70R18?+
Yes, same size. Both describe a 305mm wide tire with a 70% sidewall on a 18-inch rim.
Related Tire Sizes
Looking for a specific brand? Cooper, Neoterra, Atlander, Thunderer. City hubs: Houston, Los Angeles, Chicago, New York. Seasons: all-season, winter.