Lowest price
Advance R 4c
340/80R18
All-seasonPassenger
Price
$547.99
at SimpleTire4.6(8,900)
Excl. install
Price
$547.99
at SimpleTire
340/80R18Tires
6 prices · 6 brands · 1 retailers · Updated 1 hour ago
Cheapest Price
$547.99
at SimpleTire (excl. installation)
Prices updated: July 6, 2026
6 of 6 offers for 340/80R18
Price comparison — 340/80R18
Showing 6 of 6 tires
Price
$585.96
at SimpleTire4.6(8,900)
Excl. install
Price
$585.96
at SimpleTire
Price
$612.99
at SimpleTire4.6(8,900)
Excl. install
Price
$612.99
at SimpleTire
Price
$626.99
at SimpleTire4.6(8,900)
Excl. install
Price
$626.99
at SimpleTire
Alliance 585 Ind Sb R 4
340/80R18
All-seasonPassenger
Price
$668.99
at SimpleTire4.6(8,900)
Excl. install
Price
$668.99
at SimpleTire
Firestone Radial Duraforce At R R 4
340/80R18
Load143SpeedB
All-seasonPassenger
Price
$833.99
at SimpleTire4.6(8,900)
Excl. install
Price
$833.99
at SimpleTire
Prices per tire · Sales tax may apply · Updated 1 hour ago · Submit a price correction
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What Does 340/80R18 Mean?
340
Width
millimetres
80
Profile
% of width
18
Rim
inches
A 340mm wide tire with a sidewall height equal to 80% of the width (272.0mm), fitting a 18-inch rim — a common passenger tire size in the US market.
FAQ — 340/80R18 Tires
Where can I buy 340/80R18 tires online in the USA?+
The cheapest 340/80R18 tires we track start at $547.99 from SimpleTire. Tire Rack, SimpleTire, Priority Tire, and other national retailers ship nationwide — use the table above to compare.
How much does a 340/80R18 tire cost in the USA?+
340/80R18 tires typically range from about $547.99 for value brands up to $1,205.58 or more for premium performance tires. Installation is usually $15–$25 per tire extra.
Is 340/80R18 the right tire for my car?+
Check your door-jamb sticker or owner's manual. Many vehicles that use 340/80R18 also have approved alternative sizes — see our vehicle fitment pages for common models.
How much does tire installation cost for 340/80R18?+
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 340/80R18 the same as 340/80R18?+
Yes — same size. Both describe a 340mm wide tire with a 80% sidewall on a 18-inch rim.
Related Tire Sizes
Looking for a specific brand? Advance, Galaxy, Ceat, Maxam. City hubs: Houston, Los Angeles, Chicago, New York. Seasons: all-season, winter.