---
title: "255/40/18 — $45K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/255-40-18"
last_updated: "2026-08-09T08:40:52.340Z"
locale: en
meta:
  description: "Niche score 48/100 · $45K/yr market · 39K searches/yr · $156.09 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 48/100 · $45K/yr market · 39K searches/yr · $156.09 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "255/40/18 — $45K/yr Amazon US Niche (2026) - Flapen"
---

# **255/40/18**

**Skip it**

Weak search conversion (0.7%) — this niche doesn't clear our bar today.

Market size 11Growth 37Conversion 9Competition 81Returns 100Price range 14Avg price 56Brand share 85Review moat 62Quality gap 28

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Brand share**

**Great****50%**

top-5 brand share — no brand owns this niche

**Competition**

**Great****34%**

top-5 click share — an open shelf

**Review moat**

**Good****1,000.19**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Good****$156.09**

avg listing price — sweet spot $15–$100

**Growth**

**Okay****+9.8%**

90-day search growth — must beat 0% to launch

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Price range**

**Bad****$64.14–$326.80**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Market size**

**Bad****$45K**

$45K/yr · 39K searches

**Conversion**

**Bad****0.7%**

search→purchase rate — share of searches ending in a sale

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

According to Flapen's Amazon United States niche tracking, 255/40/18 is a $45K/yr Amazon United States market (39K searches/yr). The top 5 brands hold 50% of demand. Verdict: Skip it — 48/100.

Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **255/40/18 market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**500–750**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$78K–$117K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**0.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#1,701**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**53%**</dd>

<dt>**Sponsored**</dt><dd>**58%**</dd>

<dt>**Out of stock**</dt><dd>**5.7%**</dd>

<dt>**Avg brand age**</dt><dd>**60 months**</dd>

<dt>**Avg seller age**</dt><dd>**154 days**</dd>

</dl>

## **Competition & brand share**

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%**

Top 20: 98%

**Top-5 click share**

**34%**

Top 20: 86%

**Open market**

**43%**

- Landspider12% - Fullway10% - Lexani10% - Continental10% - Accelera8% - Aplus6%

## **Demand & seasonality**

Weekly Amazon search volume, last 62 weeks — +9.8% search growth over the last 90 days.

1K600Spike '25Spike '26 seasonMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.5×

[**Open Trend **](https://flapen.com/research/us/automotive/255-40-18/trend)

## **Top 255/40/18 search terms**

- **255/40r18**12K/yr+35.6%0.8% conv. - **255/40/18**15K/yr-20.8%0.8% conv. - **255 40 18**7K/yr+33.9%1.2% conv. - **255/40r18 tires**5K/yr+19.7%0.2% conv. [**All search terms **](https://flapen.com/research/us/automotive/255-40-18/search-terms)

## **Top 255/40/18 products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$1K6%$3K9%$4K12%$5K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Continental ExtremeContact DWS06 PLUS UHP All Season 255/40ZR18 99Y XL Passenger Tire](https://m.media-amazon.com/images/I/51Ly15qB6GL.jpg)**Continental ExtremeContact DWS06 PLUS UHP All Season 255/40ZR18 99Y XL Passenger Tire**Continental**$204.63**4.7★939 rev](https://www.amazon.com/dp/B08TQFLMD4) [2![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](https://m.media-amazon.com/images/I/41fe4C6eiBL.jpg)**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**$82.58**4.4★476 rev](https://www.amazon.com/dp/B007Y65BAM) [3![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](https://m.media-amazon.com/images/I/510aPP895dL.jpg)**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**$166.85**4.7★33 rev](https://www.amazon.com/dp/B0BS11ZRP3) [4![Barkley Aphelios UHP 255/40R18 99W XL All Season Tire](https://m.media-amazon.com/images/I/41UVfkHNCHL.jpg)**Barkley Aphelios UHP 255/40R18 99W XL All Season Tire**Barkley**$74.72**4.9★20 rev](https://www.amazon.com/dp/B0GVGTC1F1) [5![Lexani LX-Twenty 255/40ZR18 99W](https://m.media-amazon.com/images/I/51rs4exI6zL.jpg)**Lexani LX-Twenty 255/40ZR18 99W**Lexani**$90.84**4.5★755 rev](https://www.amazon.com/dp/B076JSB5VD)

**~~View all top sellers →~~**

### **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)](https://m.media-amazon.com/images/I/41xEIkvuRQL.jpg)**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**$137.34**1 rev1mo ago](https://www.amazon.com/dp/B0H1VSGP1W) [![Barkley Aphelios UHP 255/40R18 99W XL All Season Tire](https://m.media-amazon.com/images/I/41UVfkHNCHL.jpg)**Barkley Aphelios UHP 255/40R18 99W XL All Season Tire**Barkley**$74.72**20 rev3mo ago](https://www.amazon.com/dp/B0GVGTC1F1) [![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](https://m.media-amazon.com/images/I/519qauOknbL.jpg)**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**$165.61**1 rev5mo ago](https://www.amazon.com/dp/B0GKGFZRKG) [![Royal Black Racing Trac Racing 255/40ZR18 99W XL Passenger Tire](https://m.media-amazon.com/images/I/515g1lSjIfL.jpg)**Royal Black Racing Trac Racing 255/40ZR18 99W XL Passenger Tire**ROYALBLACK**$81.16**43 rev8mo ago](https://www.amazon.com/dp/B0FWCTGCPQ) [![Aplus Pro Racing 255/40ZR18 99W XL Racing Tire](https://m.media-amazon.com/images/I/412jqTqPGjL.jpg)**Aplus Pro Racing 255/40ZR18 99W XL Racing Tire**Aplus**$77.92**269 rev1y ago](https://www.amazon.com/dp/B0FJMQ98T5)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Barkley Aphelios UHP 255/40R18 99W XL All Season Tire](https://m.media-amazon.com/images/I/41UVfkHNCHL.jpg)**Barkley Aphelios UHP 255/40R18 99W XL All Season Tire**Barkley**$74.72**4.9★**▲ 262%**](https://www.amazon.com/dp/B0GVGTC1F1) [![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](https://m.media-amazon.com/images/I/51jGwJlSdxL.jpg)**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**$169.52**4.3★**▲ 261%**](https://www.amazon.com/dp/B07TPLW5K6) [![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](https://m.media-amazon.com/images/I/51IjTVTKgBL.jpg)**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**$324.37**4.7★**▲ 260%**](https://www.amazon.com/dp/B07RHPFWH3) [![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)](https://m.media-amazon.com/images/I/41xEIkvuRQL.jpg)**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**$137.34**5.0★**▲ 260%**](https://www.amazon.com/dp/B0H1VSGP1W) [![GOODYEAR Eagle Exhilarate 255/40ZR18 99Y](https://m.media-amazon.com/images/I/51HVTZjGglL.jpg)**GOODYEAR Eagle Exhilarate 255/40ZR18 99Y**Goodyear**$151.56**4.4★**▲ 221%**](https://www.amazon.com/dp/B07X573TSR)

**~~View all trending →~~**

## **What buyers say about 255/40/18**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Value For Money**33%

*“Great tires great price”*

**Wheel Quality**25%

*“Great tires”*

**Quality-Overall**15%

*“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”*

**Size-Overall**9%

*“Exact fit”*

**Durability**5%

*“have handled well. 4 out of 5”*

**Grip**4%

*“They handle corners pretty nicely”*

**Advertised Vs Actual Product**2%

*“Does the job”*

**Comfort-Overall**2%

*“comfortable”*

**Tread Pattern Pitch**1%

*“I was especially impressed with the wet traction — the car feels planted”*

### **What buyers complain about **

**Pressure**25%

*“latter that same day the tire pressure went low”*

**Product Condition**13%

*“older tires not brand new”*

**Value For Money**13%

*“wish it was cheaper”*

**Assembly/Installation**8%

*“though the installers did have a little problem mounting them”*

### **Top return reasons **

**Size-Overall**73%

**Compatibility-Overall**8%

**Advertised Vs Actual Product**5%

**Value For Money**5%

**Functionality-Overall**4%

**Quality-Overall**2%

**Product Condition**2%

**Durability**1%

**Add-Ons/Attachments**1%

**Thickness**1%

## **Common questions**

<dl>

<dt>**Is 255/40/18 profitable to sell on Amazon United States?**</dt><dd>The niche generates $45K/yr across 36 tracked products. 0 of 8 products launched in the last 360 days are still selling. 90-day search growth is +9.8%. Flapen's verdict: Skip it (48/100).</dd>

<dt>**How competitive is the 255/40/18 niche?**</dt><dd>23 brands and 35 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 50% of demand.</dd>

<dt>**What do buyers complain about in 255/40/18?**</dt><dd>Top complaints mined from reviews: Pressure, Product Condition, Value For Money. The return rate is 0.1%.</dd>

<dt>**When does demand for 255/40/18 peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.5× the quietest.</dd>

<dt>**What does it cost to enter the 255/40/18 niche?**</dt><dd>Listings span $64.14–$326.80; the average listing price is $156.09 (sweet spot $15–$100). The average incumbent carries 1,000 reviews — the moat a new listing must climb.</dd>

</dl>

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