255/40/18
FailBuyers convert on only 0.7% of searches, so 255/40/18 is a Fail.
- Flapen Score
- 48 / 100Ranks 3,828 of 7,287 Automotive niches · −1 vs the category median of 4948
- Market size
- $45K/yr39K searches / yr
- 90-day growth
- +9.8%search demand this quarter
- Competition
- 34%top-5 click share · 23 brands · 35 sellers
Flapen Score
255/40/18 against its category
The dotted line is the Automotive average. Past it, 255/40/18 is stronger. Inside it, weaker.
Market
The 255/40/18 market on Amazon at a glance
Shoppers on Amazon United States searched for 255/40/18 39K times last year and spent an estimated $45K. The top 5 brands take 50% of clicks. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 0.7% of those searches ended in a purchase.
Shoppers searched for this 39K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.7% of those searches ended in a purchase. Searches in the last 90 days moved +9.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $45K a year.
- Searches, last 12 months
- 39K
- Growth, 90 days vs prior 90
- +9.8%
- Conversion, latest week
- 0.7%
- Market size, estimated
- $45Ka year
- Peak month
- June1.5× the quietest month
- Top search term
- 255/40r1812K searches a year
02 · Price
A sale here is worth $156.09.
Listings sell for $156.09 on average, from $64.14 to $326.80. Amazon reports units sold in ranges. This niche sold 500 to 750 a year. The average listing sells 0 to 100 of them. At $156.09 that is $0 to $16K a year per listing.
- Average price
- $156.09above the $15 to $100 sweet spot
- Price range
- $64.14–$326.80
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 500–750
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$16K
- Returns
- 0.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
58% of listings pay for placement with sponsored ads. 53% ship with Prime. On an average day, 5.7% of listings are out of stock. The average listing ranks #1,701 within Tires & Wheels. It carries 1,000 reviews at 4.58 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 58%
- Prime listings
- 53%
- Out of stock, average day
- 5.7%
- Average rank
- #1,701in Tires & Wheels
- Average rating
- 4.58 starsAmazon United States average 4.42 stars
- Average reviews
- 1,000per listing
- Listings tracked
- 36
04 · Newcomers
0 of last year's 8 launches cleared the first-year sales bar.
8 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 60 months on average, so the names here are established.
- Launched, last 12 months
- 8
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 60 months
Products
Top 255/40/18 products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Continental ExtremeContact DWS06 PLUS UHP All Season 255/40ZR18 99Y XL Passenger Tire
- Price
- $204.63
- Rating
- 4.7/5
- Reviews
- 939
- Age
- 5y ago

Accelera Phi All-Season Passenger Car High Performance Radial Tire-255/40R18 255/40ZR18 255/40/18 255/40-18 99Y Load Range XL 4-Ply BSW Black Side Wall UTQG 400AA
- Price
- $82.58
- Rating
- 4.4/5
- Reviews
- 476
- Age
- 14y ago

Set of 2 (TWO) Landspider Citytraxx H/P All-Season Passenger Car High Performance Radial Tires-255/40R18 255/40ZR18 255/40/18 255/40-18 99W Load Range XL 4-Ply BSW Black Side Wall UTQG 420AA
- Price
- $166.85
- Rating
- 4.7/5
- Reviews
- 33
- Age
- 3y ago

Barkley Aphelios UHP 255/40R18 99W XL All Season Tire
- Price
- $74.72
- Rating
- 4.9/5
- Reviews
- 20
- Age
- 3mo ago

Lexani LX-Twenty 255/40ZR18 99W
- Price
- $90.84
- Rating
- 4.5/5
- Reviews
- 755
- Age
- 10y ago
Trending
estimated 90-day click momentum
Barkley Aphelios UHP 255/40R18 99W XL All Season Tire
- Price
- $74.72
- Rating
- 4.9/5
- Reviews
- 20
- Age
- 3mo ago

Set of 2 (TWO) Atlas Force UHP All-Season Passenger Car High Performance Radial Tires-255/40R18 255/40/18 255/40-18 99Y Load Range XL 4-Ply BSW Black Side Wall UTQG 520AAA
- Price
- $169.52
- Rating
- 4.3/5
- Reviews
- 28
- Age
- 6y ago

Set of 4 (FOUR) Atlas Force UHP All-Season Passenger Car High Performance Radial Tires-255/40R18 255/40/18 255/40-18 99Y Load Range XL 4-Ply BSW Black Side Wall UTQG 520AAA
- Price
- $324.37
- Rating
- 4.7/5
- Reviews
- 5
- Age
- 6y ago

HORSESHOE SLEIPNIR 2 New 255/40ZR18 255/40R18 99Y XL Andalusia Ultra High Performance Radial Tires 255 40 18 Load Range XL 4-Ply BSW M/S UHP All Season (2 255/40ZR18 99Y XL)
- Price
- $137.34
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 1mo ago

GOODYEAR Eagle Exhilarate 255/40ZR18 99Y
- Price
- $151.56
- Rating
- 4.4/5
- Reviews
- 17
- Age
- 6y ago
Newest
by launch date
HORSESHOE SLEIPNIR 2 New 255/40ZR18 255/40R18 99Y XL Andalusia Ultra High Performance Radial Tires 255 40 18 Load Range XL 4-Ply BSW M/S UHP All Season (2 255/40ZR18 99Y XL)
- Price
- $137.34
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 1mo ago

Barkley Aphelios UHP 255/40R18 99W XL All Season Tire
- Price
- $74.72
- Rating
- 4.9/5
- Reviews
- 20
- Age
- 3mo ago

Set of 2 (TWO) Aplus PRO Racing All Season Passenger High Performance Radial Tires-255/40R18 255/40ZR18 255/40/18 255/40-18 99W Load Range XL 4-Ply BSW Black Side Wall UTQG 420AA
- Price
- $165.61
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 5mo ago

Royal Black Racing Trac Racing 255/40ZR18 99W XL Passenger Tire
- Price
- $81.16
- Rating
- 4.8/5
- Reviews
- 43
- Age
- 8mo ago

Aplus Pro Racing 255/40ZR18 99W XL Racing Tire
- Price
- $77.92
- Rating
- 4.6/5
- Reviews
- 269
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 34% of clicks, no more. An open shelf where new products get seen.
Brands
23 rising
Sellers
35
Est. top-5 brand share
50%
Top 20: 98%
Est. top-5 click share
34%
Top 20: 86%
Open market
43%
- Landspider12%
- Fullway10%
- Lexani10%
- Continental10%
- Accelera8%
- Aplus6%
Demand
255/40/18 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top 255/40/18 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 255/40r1812K/yr
- 255/40/1815K/yr
- 255 40 187K/yr
- 255/40r18 tires5K/yr
Reviews and returns
What reviews say buyers love and hate about 255/40/18
We read the reviews and the return reasons for every product selling here.
“latter that same day the tire pressure went low”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 255/40/18 questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









