---
title: "225/40r18 — $486K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/225-40r18"
last_updated: "2026-08-09T08:50:12.272Z"
locale: en
meta:
description: "Niche score 47/100 · $486K/yr market · 205K searches/yr · $135.31 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $486K/yr market · 205K searches/yr · $135.31 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "225/40r18 — $486K/yr Amazon US Niche (2026) - Flapen"
---
# **225/40r18**
**Skip it**
Prices mostly outside the sweet spot ($59.66–$339.40) — this niche doesn't clear our bar today.
Market size 59Growth 31Conversion 22Competition 27Returns 100Price range 14Avg price 63Brand share 33Review moat 56Quality gap 75
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****$135.31**
avg listing price — sweet spot $15–$100
**Market size**
**Good****$486K**
$486K/yr · 205K searches
**Review moat**
**Good****1,263.81**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****85%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+5.0%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Bad****$59.66–$339.40**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, 225/40r18 is a $486K/yr Amazon United States market (205K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 47/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **225/40r18 market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$812K–$1.1M**
- units × avg price
- **Conversion rate**
- **1.8%**
- **Avg BSR**
- **#530**
- **Page quality**
- **0%**
- **Prime**
- **50%**
- **Sponsored**
- **63%**
- **Out of stock**
- **9.5%**
- **Avg brand age**
- **70 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▼falling
**Sellers**
**30**
**Top-5 brand share**
**85%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**10%**
- Fullway33% - Lexani32% - Lionhart8% - Ironman6% - FALKEN6% - Barkley5% - Open — no brand owns it (4 brands, 10%)
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — +5.0% search growth over the last 90 days.
5K4KSpike '25 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/automotive/225-40r18/trend)
## **Top 225/40r18 search terms**
- **225/40r18**110K/yr+10.7%1.8% conv. - **225/40/18**23K/yr+5.7%2.0% conv. - **225 40 18**14K/yr+55.1%1.8% conv. - **225/40r18 tires**10K/yr-9.0%0.8% conv. - **tires 225/40/18**12K/yr-21.1%0.9% conv. - **225 40 18 tires**14K/yr-37.5%1.5% conv. - **225/40zr18**8K/yr+10.9%2.3% conv. - **225/40/18 tires**6K/yr-3.6%1.7% conv. - **llantas 225/40r18**5K/yr-7.9%0.7% conv. - **225 40 r18**4K/yr+13.2%2.1% conv. [**All search terms **](https://flapen.com/research/us/automotive/225-40r18/search-terms)
## **Top 225/40r18 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%10%$49K20%$97K30%$146K40%$194K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Lexani LXUHP-207 225/40ZR18 92W XL**Lexani**$64.14**4.5★2,771 rev](https://www.amazon.com/dp/B07FXT1754) [2**Fullway HP108 All-Season Passenger Car High Performance Radial Tire-225/40R18 225/40ZR18 225/40/18 225/40-18 92W Load Range XL 4-Ply BSW Black Side Wall UTQG 380AA**Fullway**$70.32**4.5★13,514 rev](https://www.amazon.com/dp/B07YDTXY95) [3**Set of 4 (FOUR) Fullway HP108 All-Season Passenger Car High Performance Radial Tires-225/40R18 225/40ZR18 225/40/18 225/40-18 92W Load Range XL 4-Ply BSW Black Side Wall UTQG 380AA**Fullway**$279.30**4.4★507 rev](https://www.amazon.com/dp/B09XBGVJ64) [4**Set of 2 (TWO) Fullway HP108 All-Season Passenger Car High Performance Radial Tires-225/40R18 225/40ZR18 225/40/18 225/40-18 92W Load Range XL 4-Ply BSW Black Side Wall UTQG 380AA**Fullway**$140.44**4.6★500 rev](https://www.amazon.com/dp/B084MLBRDC) [5**Lionhart LH-503 All- Season Radial Tire-225/40R18 92W**Lionhart**$59.66**4.6★622 rev](https://www.amazon.com/dp/B01MR4LE0U)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Set of 4 (FOUR) Accelera Iota EVT Passenger Car All-Season High Performance Radial Tires-225/40R18 225/40ZR18 225/40/18 225/40-18 92Y Load Range XL 4-Ply BSW Black Side Wall UTQG 320AA**Accelera**$284.99**2 rev2mo ago](https://www.amazon.com/dp/B0GZL2DKGH) [**Barkley Trackstar UHP 225/40R18 92W XL All Season Tire UTQG 540AA / 50K Miles Warranty**Barkley**$66.48**13 rev4mo ago](https://www.amazon.com/dp/B0GQQ19SQM) [**Set of 4 Mastertrack M-TRAC HP 225/40R18 92W XL High Performance All Season Passenger Tires 225/40/18 + 3-Year Road Hazard Warranty Included (Tire Only)-UTQG 420AA**Mastertrack**$339.40**170 rev5mo ago](https://www.amazon.com/dp/B0GH6XCYBH) [**Accelera Iota EVT Passenger Car All-Season High Performance Radial Tire-225/40R18 225/40ZR18 225/40/18 225/40-18 92Y Load Range XL 4-Ply BSW Black Side Wall UTQG 320AA**Accelera**$67.50**99 rev11mo ago](https://www.amazon.com/dp/B0FLJHV3VQ) [**Lionhart Ramani A/S All Season 225/40ZR18 92W XL Passenger Tire**Lionhart**$68.70**0 rev11mo ago](https://www.amazon.com/dp/B0FJ288KNC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Set of 4 (FOUR) Accelera Iota EVT Passenger Car All-Season High Performance Radial Tires-225/40R18 225/40ZR18 225/40/18 225/40-18 92Y Load Range XL 4-Ply BSW Black Side Wall UTQG 320AA**Accelera**$284.99**1.0★**▲ 247%**](https://www.amazon.com/dp/B0GZL2DKGH) [**Barkley Trackstar UHP 225/40R18 92W XL All Season Tire UTQG 540AA / 50K Miles Warranty**Barkley**$66.48**4.9★**▲ 204%**](https://www.amazon.com/dp/B0GQQ19SQM) [**Lionhart Ramani A/S All Season 225/40ZR18 92W XL Passenger Tire**Lionhart**$68.70**0.0★**▲ 172%**](https://www.amazon.com/dp/B0FJ288KNC) [**Accelera Iota EVT Passenger Car All-Season High Performance Radial Tire-225/40R18 225/40ZR18 225/40/18 225/40-18 92Y Load Range XL 4-Ply BSW Black Side Wall UTQG 320AA**Accelera**$67.50**4.3★**▲ 96%**](https://www.amazon.com/dp/B0FLJHV3VQ) [**Set of 4 Mastertrack M-TRAC HP 225/40R18 92W XL High Performance All Season Passenger Tires 225/40/18 + 3-Year Road Hazard Warranty Included (Tire Only)-UTQG 420AA**Mastertrack**$339.40**4.8★**▲ 72%**](https://www.amazon.com/dp/B0GH6XCYBH)
**~~View all trending →~~**
## **What buyers say about 225/40r18**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**36%
*“Great value for price”*
**Quality-Overall**22%
*“Ride quality is very nice too”*
**Wheel Quality**15%
*“Great tires for a great price”*
**Size-Overall**10%
*“Exact fit”*
**Advertised Vs Actual Product**6%
*“Does the job”*
**Durability**4%
*“durability so far”*
**Friction**3%
*“Traction is decent”*
**Ease Of Use**2%
*“feels great when driving”*
**Tread Pattern Pitch**1%
*“I was especially impressed with the wet traction — the car feels planted”*
**Comfort-Overall**1%
*“Very quiet and comfortable tire”*
### **What buyers complain about **
**Quality-Overall**100%
*“CHEAP ANS TERRIBLE”*
### **Top return reasons **
**Size-Overall**70%
**Advertised Vs Actual Product**6%
**Functionality-Overall**5%
**Compatibility-Overall**5%
**Value For Money**3%
**Quality-Overall**3%
**Product Condition**2%
**Assembly/Installation**2%
**Durability**1%
**Thin**1%
## **Common questions**
- **Is 225/40r18 profitable to sell on Amazon United States?**
- The niche generates $486K/yr across 16 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is +5.0%. Flapen's verdict: Skip it (47/100).
- **How competitive is the 225/40r18 niche?**
- 10 brands and 30 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 85% of demand.
- **What do buyers complain about in 225/40r18?**
- Top complaints mined from reviews: Quality-Overall. The return rate is 0.1%.
- **When does demand for 225/40r18 peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the 225/40r18 niche?**
- Listings span $59.66–$339.40; the average listing price is $135.31 (sweet spot $15–$100). The average incumbent carries 1,264 reviews — the moat a new listing must climb.
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