---
title: "235/40/18 — Niche Verdict: Worth a look (50/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/235-40-18"
last_updated: "2026-07-14T05:59:00.314Z"
locale: en
meta:
  description: "235/40/18 shows low returns (0.0%), but prices mostly outside the sweet spot ($68.01–$322.75) keeps it on the watch list."
  "og:description": "235/40/18 shows low returns (0.0%), but prices mostly outside the sweet spot ($68.01–$322.75) keeps it on the watch list."
  "og:title": "235/40/18 — Niche Verdict: Worth a look (50/100) | Amazon United States - Flapen"
---

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# **235/40/18**

**Worth a look**

Shows low returns (0.0%), but prices mostly outside the sweet spot ($68.01–$322.75) keeps it on the watch list.

Market size 51Growth 41Conversion 20Competition 54Returns 100Price range 13Avg price 61Brand share 50Review moat 65Quality gap 42

**Returns**

**Incredible****0.0%**

return rate — above 6% kills the launch gate

**Review moat**

**Good****893.42**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Good****$142.01**

avg listing price — sweet spot $15–$100

**Competition**

**Good****52%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Good****$290K**

$290K/yr · 128K searches

**Brand share**

**Okay****75%**

top-5 brand share — brands hold most of the demand

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Okay****+12.7%**

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

**Conversion**

**Bad****1.6%**

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

**Price range**

**Bad****$68.01–$322.75**

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

## **Competition**

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**16 **▼falling

**Sellers**

**33**

**Top-5 brand share**

**75%**

**Open market**

**20%**

- Fullway26% - Lexani20% - Forceum14% - Continental8% - Aplus6% - Ironman5%

## **Product shelf**

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

0%5%$14K10%$29K15%$43K20%$58K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 26 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Lexani LXUHP-207 UHP 235/40ZR18 95W XL Passenger Tire](https://m.media-amazon.com/images/I/4182J6qTrJL.jpg)**Lexani LXUHP-207 UHP 235/40ZR18 95W XL Passenger Tire**Lexani**$71.34**4.5★2,771 rev](https://www.amazon.com/dp/B07P7J9QYQ) [2![Fullway HP108 All-Season Passenger Car High Performance Radial Tire-235/40R18 235/40ZR18 235/40/18 235/40-18 95W Load Range XL 4-Ply BSW Black Side Wall UTQG 380AA](https://m.media-amazon.com/images/I/514uTsu9aAL.jpg)**Fullway HP108 All-Season Passenger Car High Performance Radial Tire-235/40R18 235/40ZR18 235/40/18 235/40-18 95W Load Range XL 4-Ply BSW Black Side Wall UTQG 380AA**Fullway**$80.36**4.5★13,514 rev](https://www.amazon.com/dp/B00QLPYO0U) [3![Set of 2 (TWO) Forceum Hexa-R All-Season Passenger Car High Performance Radial Tires-235/40R18 235/40ZR18 235/40/18 235/40-18 95Y Load Range XL 4-Ply BSW Black Side Wall UTQG 400AA](https://m.media-amazon.com/images/I/51pqCZRiaiL.jpg)**Set of 2 (TWO) Forceum Hexa-R All-Season Passenger Car High Performance Radial Tires-235/40R18 235/40ZR18 235/40/18 235/40-18 95Y Load Range XL 4-Ply BSW Black Side Wall UTQG 400AA**Forceum**$152.94**4.3★95 rev](https://www.amazon.com/dp/B083FZ5217) [4![Set of 2 (TWO) Fullway HP108 All-Season Passenger Car High Performance Radial Tires-235/40R18 235/40ZR18 235/40/18 235/40-18 95W Load Range XL 4-Ply BSW Black Side Wall UTQG 380AA](https://m.media-amazon.com/images/I/51YkYvpFceL.jpg)**Set of 2 (TWO) Fullway HP108 All-Season Passenger Car High Performance Radial Tires-235/40R18 235/40ZR18 235/40/18 235/40-18 95W Load Range XL 4-Ply BSW Black Side Wall UTQG 380AA**Fullway**$158.51**4.4★364 rev](https://www.amazon.com/dp/B085SV82NS) [5![Set of 4 (FOUR) Forceum Hexa-R All-Season Passenger Car High Performance Radial Tires-235/40R18 235/40ZR18 235/40/18 235/40-18 95Y Load Range XL 4-Ply BSW Black Side Wall UTQG 400AA](https://m.media-amazon.com/images/I/51ANdypwr9L.jpg)**Set of 4 (FOUR) Forceum Hexa-R All-Season Passenger Car High Performance Radial Tires-235/40R18 235/40ZR18 235/40/18 235/40-18 95Y Load Range XL 4-Ply BSW Black Side Wall UTQG 400AA**Forceum**$300.73**4.3★36 rev](https://www.amazon.com/dp/B07TB9HYRG)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Set of 4 (FOUR) Aplus PRO Racing All Season Passenger High Performance Radial Tires-235/40R18 235/40ZR18 235/40/18 235/40-18 95W Load Range XL 4-Ply BSW Black Side Wall UTQG 420AA](https://m.media-amazon.com/images/I/51Mp9AVhF+L.jpg)**Set of 4 (FOUR) Aplus PRO Racing All Season Passenger High Performance Radial Tires-235/40R18 235/40ZR18 235/40/18 235/40-18 95W Load Range XL 4-Ply BSW Black Side Wall UTQG 420AA**Aplus**$280.52**3 rev5mo ago](https://www.amazon.com/dp/B0GKGMW3VH) [![Accelera Iota EVT Passenger Car All-Season High Performance Radial Tire-235/40R18 235/40ZR18 235/40/18 235/40-18 95Y Load Range XL 4-Ply BSW Black Side Wall UTQG 320AA](https://m.media-amazon.com/images/I/51D1LzvlgLL.jpg)**Accelera Iota EVT Passenger Car All-Season High Performance Radial Tire-235/40R18 235/40ZR18 235/40/18 235/40-18 95Y Load Range XL 4-Ply BSW Black Side Wall UTQG 320AA**Accelera**$72.85**99 rev10mo ago](https://www.amazon.com/dp/B0FPFR9MNL) [![Aplus Pro Racing 235/40ZR18 95W XL Racing Tire](https://m.media-amazon.com/images/I/412jqTqPGjL.jpg)**Aplus Pro Racing 235/40ZR18 95W XL Racing Tire**Aplus**$69.69**269 rev1y ago](https://www.amazon.com/dp/B0FJYDL7FP) [![Summit Ultramax UHP Performance Passenger Tire 235/40R18 235/40/18](https://m.media-amazon.com/images/I/41YB2mtNxXL.jpg)**Summit Ultramax UHP Performance Passenger Tire 235/40R18 235/40/18**SUMMIT**$79.55**2 rev1y ago](https://www.amazon.com/dp/B0G258D1G7) [![Continental ProContact RX All Season 235/40R18 91W Passenger Tire](https://m.media-amazon.com/images/I/51w+Avmq1HL.jpg)**Continental ProContact RX All Season 235/40R18 91W Passenger Tire**Continental**$141.57**19 rev1y ago](https://www.amazon.com/dp/B00PXOQOEE)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Set of 4 (FOUR) Forceum Hexa-R All-Season Passenger Car High Performance Radial Tires-235/40R18 235/40ZR18 235/40/18 235/40-18 95Y Load Range XL 4-Ply BSW Black Side Wall UTQG 400AA](https://m.media-amazon.com/images/I/51ANdypwr9L.jpg)**Set of 4 (FOUR) Forceum Hexa-R All-Season Passenger Car High Performance Radial Tires-235/40R18 235/40ZR18 235/40/18 235/40-18 95Y Load Range XL 4-Ply BSW Black Side Wall UTQG 400AA**Forceum**$300.73**4.3★**▲ 246%**](https://www.amazon.com/dp/B07TB9HYRG) [![Set of 4 (FOUR) Aplus PRO Racing All Season Passenger High Performance Radial Tires-235/40R18 235/40ZR18 235/40/18 235/40-18 95W Load Range XL 4-Ply BSW Black Side Wall UTQG 420AA](https://m.media-amazon.com/images/I/51Mp9AVhF+L.jpg)**Set of 4 (FOUR) Aplus PRO Racing All Season Passenger High Performance Radial Tires-235/40R18 235/40ZR18 235/40/18 235/40-18 95W Load Range XL 4-Ply BSW Black Side Wall UTQG 420AA**Aplus**$280.52**5.0★**▲ 175%**](https://www.amazon.com/dp/B0GKGMW3VH) [![Aplus Pro Racing 235/40ZR18 95W XL Racing Tire](https://m.media-amazon.com/images/I/412jqTqPGjL.jpg)**Aplus Pro Racing 235/40ZR18 95W XL Racing Tire**Aplus**$69.69**4.6★**▲ 114%**](https://www.amazon.com/dp/B0FJYDL7FP) [![Summit Ultramax UHP Performance Passenger Tire 235/40R18 235/40/18](https://m.media-amazon.com/images/I/41YB2mtNxXL.jpg)**Summit Ultramax UHP Performance Passenger Tire 235/40R18 235/40/18**SUMMIT**$79.55**5.0★**▲ 99%**](https://www.amazon.com/dp/B0G258D1G7) [![Ironman iMove Gen 3 A/S UHP All Season 235/40R18 95W Passenger Tire](https://m.media-amazon.com/images/I/41wBLW-Y+KL.jpg)**Ironman iMove Gen 3 A/S UHP All Season 235/40R18 95W Passenger Tire**Ironman**$82.90**4.0★**▲ 51%**](https://www.amazon.com/dp/B09RDYXJTL)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +12.7% search growth over the last 90 days.

3K2KSpike '25Prime Day '25Black Friday '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**34%

*“Good quality”*

**Value For Money**22%

*“Value for money is good”*

**Wheel Quality**18%

*“they ride good”*

**Size-Overall**8%

*“Fit perfect”*

**Strength**2%

*“still going strong with over 35,000 miles”*

**Maintenance And Repair**2%

*“Fix really good”*

**Functionality-Overall**2%

*“they ride good”*

**Grip**2%

*“Grippy in wet conditions”*

**Correct Contents**2%

*“Second set perfect”*

**Friction**1%

*“Great traction and they look nice”*

### **What buyers complain about **

**Durability**25%

*“Questionable reliability”*

**Smell**13%

*“Smell of rubber”*

**Quality-Overall**13%

*“A lot of reviewers on here expect 5 star nascar level quality on $70 tires”*

**Size-Overall**13%

*“Amazon says they wont fit my car”*

### **Top return reasons **

**Size-Overall**69%

**Advertised Vs Actual Product**7%

**Value For Money**5%

**Compatibility-Overall**5%

**Functionality-Overall**4%

**Product Condition**4%

**Quality-Overall**3%

**Durability**1%

**Assembly/Installation**1%

**Maintenance And Repair**1%