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49

215/45r18

Skip it

Prices mostly outside the sweet spot ($67.12–$324.12) — this niche doesn't clear our bar today.

Market size 16Growth 51Conversion 17Competition 68Returns 100Price range 13Avg price 63Brand share 60Review moat 85Quality gap 28

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Review moat

Great300.81

avg incumbent reviews — the moat a new listing must climb

Competition

Good44%

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

Avg price

Good$135.54

avg listing price — sweet spot $15–$100

Brand share

Good69%

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

Growth

Good+21.3%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.3%

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

Market size

Bad$63K

$63K/yr · 35K searches

Price range

Bad$67.12–$324.12

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

According to Flapen's Amazon United States niche tracking, 215/45r18 is a $63K/yr Amazon United States market (35K searches/yr). The top 5 brands hold 69% of demand. Verdict: Skip it — 49/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

215/45r18 market data

Units sold / yr
750–1K
avg 0–100/product
Revenue / yr
$102K–$136K
units × avg price
Conversion rate
1.3%
Avg BSR
#5,697
Page quality
0%
Prime
63%
Sponsored
50%
Out of stock
5.4%
Avg brand age
60 months
Avg seller age
151 days

Competition & brand share

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 falling

Sellers

32

Top-5 brand share

69%

Top 20: 100%

Top-5 click share

44%

Top 20: 90%

Open market

23%

  • Accelera23%
  • HANKOOK17%
  • Lexani11%
  • Aplus10%
  • Barkley8%
  • Lionhart8%

Demand

Weekly Amazon search volume, last 49 weeks — +21.3% search growth over the last 90 days.
1K600Spike '25Black Friday '25Spike '26Aug '25Sep '25Nov '25Jan '26Mar '26May '26

Top 215/45r18 search terms

  • 215/45r1817K/yr
  • 215/45r18 tires8K/yr
  • 215/45/185K/yr
  • 215 45 185K/yr
All search terms

Top 215/45r18 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%$2K6%$4K9%$6K12%$8K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

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

What buyers say about 215/45r18

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

What buyers love

Value For Money30%

“Good deal”

Quality-Overall25%

“Good quality tires”

Wheel Quality14%

“Good tires”

Grip6%

“nice grip on the road”

Friction6%

“dry traction is awesome compared to the Walmart Goodyears”

Durability5%

“The tread design looks durable”

Strength5%

“These are still going strong months later”

Functionality-Overall5%

“But for the money, they work”

Size-Overall2%

“Good fit on a 2017 corolla sport”

What buyers complain about

Quality-Overall40%

“These tires were not good”

Comfort-Overall20%

“Makes me feel a little uneasy”

Durability20%

“the tire blew out in 4 months”

Smell10%

“Was thinking the reviewer who mentioned smell was picky”

Top return reasons

Size-Overall70%
Compatibility-Overall8%
Advertised Vs Actual Product7%
Value For Money6%
Product Condition3%
Functionality-Overall2%
Quality-Overall2%
Maintenance And Repair1%
Assembly/Installation1%

Common questions

Is 215/45r18 profitable to sell on Amazon United States?
The niche generates $63K/yr across 32 tracked products. 3 of 10 products launched in the last 360 days are still selling. 90-day search growth is +21.3%. Flapen's verdict: Skip it (49/100).
How competitive is the 215/45r18 niche?
21 brands and 32 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 69% of demand.
What do buyers complain about in 215/45r18?
Top complaints mined from reviews: Quality-Overall, Comfort-Overall, Durability. The return rate is 0.1%.
What does it cost to enter the 215/45r18 niche?
Listings span $67.12–$324.12; the average listing price is $135.54 (sweet spot $15–$100). The average incumbent carries 301 reviews — the moat a new listing must climb.