255/40/18
Skip itWeak search conversion (0.7%) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 6% kills the launch gate
Brand share
Great50%top-5 brand share — no brand owns this niche
Competition
Great34%top-5 click share — an open shelf
Review moat
Good1,000.19avg incumbent reviews — the moat a new listing must climb
Avg price
Good$156.09avg listing price — sweet spot $15–$100
Growth
Okay+9.8%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Price range
Bad$64.14–$326.80cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$45K$45K/yr · 39K searches
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
Competition
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.Brands
23 rising
Sellers
35
Top-5 brand share
50%
Open market
43%
- Landspider12%
- Fullway10%
- Lexani10%
- Continental10%
- Accelera8%
- Aplus6%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 36 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Continental ExtremeContact DWS06 PLUS UHP All Season 255/40ZR18 99Y XL Passenger Tire
Continental$204.634.7★939 rev

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
Accelera$82.584.4★476 rev

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
Landspider$166.854.7★33 rev

Barkley Aphelios UHP 255/40R18 99W XL All Season Tire
Barkley$74.724.9★20 rev

Lexani LX-Twenty 255/40ZR18 99W
Lexani$90.844.5★755 rev
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)
HORSESHOE$137.341 rev

Barkley Aphelios UHP 255/40R18 99W XL All Season Tire
Barkley$74.7220 rev

Kenda Vezda UHP Max+ Passenger Car Summer High Performance Radial Tire-255/40R18 255/40ZR18 255/40/18 255/40-18 99W Load Range XL 4-Ply BSW Black Side Wall UTQG 200AAA
Kenda$202.410 rev

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
Aplus$165.611 rev

Set of 4 (FOUR) 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
Aplus$326.800 rev
Trending
90-day click momentum
Barkley Aphelios UHP 255/40R18 99W XL All Season Tire
Barkley$74.724.9★

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
Atlas Tires$169.524.3★

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
Atlas Tires$324.374.7★

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)
HORSESHOE$137.345.0★

Set of 4 (FOUR) Aplus PRO Racing All Season Passenger High Performance Radial Tires-245/40R18 245/40ZR18 245/40/18 245/40-18 97W Load Range XL 4-Ply BSW Black Side Wall UTQG 420AA
Aplus$303.255.0★
Demand & seasonality
Weekly Amazon search volume, last 62 weeks — +9.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great tires great price”
“Great tires”
“overall very satisfied with quality of tires especially for the price can't beat it you know I I could say that getting them on the rims”
“Exact fit”
“have handled well. 4 out of 5”
“They handle corners pretty nicely”
“Does the job”
“comfortable”
“I was especially impressed with the wet traction — the car feels planted”
What buyers complain about
“latter that same day the tire pressure went low”
“older tires not brand new”
“wish it was cheaper”
“though the installers did have a little problem mounting them”