Skip to content

15w40

brand-locked demand (top 5 brands take 100% of clicks) — 15w40 doesn't clear our bar today.

Flapen Score

48
Skip it

Ranks 870 of 1,428 Auto & Motorrad niches · −3 vs the category median of 51

Market size 40Growth 51Conversion 80Competition 25Returns 98Price range 80Avg price 95Brand share 0Review moat 55Quality gap 16
This niche Category average · 1,428 niches

Is 15w40 profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, 15w40 is a €203K/yr Amazon Germany market (96K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Apr. Verdict: Skip it — 48/100.

15w40: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved +22.3% over the last 90 days and 8.1% of searches end in a purchase.

€203K

revenue / yr

Units sold / yr8K
Search volume / yr+22.3%96K
Conversion rate8.1%
Avg price€26.04

Who owns the niche?

The top 5 brands hold 100% of demand, so 0% of the market is open.

0%

open market share

Brands · sellers5 · 60
Top-5 product click share70%
Open market0%
Avg brand age97 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.8★ — the gap to enter on.

0/100

page quality · 14 products

Sponsored placement79%
New entrants (1y)0· 0 succeeded
Avg rating4.8★
Avg reviews1,292

Top 15w40 products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.

€0€20K€41K€61K€81K1001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

5 flat

Sellers

60

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

0%

  • MANNOL51%
  • Liqui Moly32%
  • MATHY9%
  • Mobil5%
  • Castrol3%

15w40 demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume96KCVR8.1%Products14Brands5Top 5 Brands100%OOS Rate0.0%Rating4.8★Reviews1,292Avg BSR#87
3K2KPrime Day '24Spike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr · busiest ÷ quietest = 1.9×

Top 15w40 search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • 15w40 motoröl35K/yr
  • motoröl 15w4015K/yr
  • 15w4016K/yr
  • motoröl 15w40 traktor7K/yr
  • öl 15w405K/yr
  • 15 w 40 motoröl6K/yr
  • 15w40 motoröl 5l5K/yr
  • sae 15w404K/yr
  • mannol 15w403K/yr

What reviews say buyers love and hate about 15w40

What buyers mention most, as a share of all reviews.

What buyers love

98% of reviews
Qualität insgesamt32%

Top Qualität

Preis-Leistungs-Verhältnis20%

Preis/Leistung Top

beworben Vs Tatsächliches Produkt18%

Alles so wie es sein soll

Schmierung15%

bestes Oil

Motorleistung8%

Top Motoröl

What buyers complain about

77% of reviews
Dicke27%

Zu dünn

Qualität insgesamt20%

mein Gott es ist Öl was will man da schon falsch machen bzw was will man hier groß über die Qualität reden.

Schmierung20%

Motorenöl halt

Preis-Leistungs-Verhältnis10%

Ist die Preisersparnis nicht wert

15w40 return rate & reasons

Why buyers send it back, as a share of all return requests.

0.3%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Kompatibilität – insgesamt
26%
2Gesamtgröße
24%
3Auslaufsicher
18%
4Schmierung
9%
5beworben Vs Tatsächliches Produkt
6%

Common 15w40 questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores 15w40 48/100 on Amazon Germany — Skip it. The niche generates €203K/yr across 14 tracked products. Search demand moved +22.3% over the last 90 days.
Search demand for 15w40 on Amazon Germany peaks in Mar–Apr, where the busiest month runs 1.9× the quietest.