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5w20

brand-locked demand (top 5 brands take 99% of clicks) — 5w20 doesn't clear our bar today.

Flapen Score

43
Skip it

Ranks 1,125 of 1,428 Auto & Motorrad niches · −8 vs the category median of 51

Market size 12Growth 49Conversion 53Competition 25Returns 98Price range 88Avg price 95Brand share 3Review moat 76Quality gap 18
This niche Category average · 1,428 niches

Is 5w20 profitable on Amazon?

According to Flapen's Amazon Germany niche tracking, 5w20 is a €48K/yr Amazon Germany market (37K searches/yr). The top 5 brands hold 99% of demand. Verdict: Skip it — 43/100.

5w20: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved +18.9% over the last 90 days and 4.3% of searches end in a purchase.

€48K

revenue / yr

Units sold / yr2K
Search volume / yr+18.9%37K
Conversion rate4.3%
Avg price€29.77

Who owns the niche?

The top 5 brands hold 99% of demand, so 1% of the market is open.

1%

open market share

Brands · sellers6 · 65
Top-5 product click share70%
Open market1%
Avg brand age94 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.

0/100

page quality · 17 products

Sponsored placement76%
New entrants (1y)0· 0 succeeded
Avg rating4.7★
Avg reviews474

Top 5w20 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€5K€10K€14K€19K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

6 falling

Sellers

65

Top-5 brand share

99%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

0%

  • Liqui Moly46%
  • Castrol30%
  • MANNOL14%
  • Ford7%
  • SILKOLENE1%
  • RAVENOL1%

5w20 demand & seasonality

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

Volume37KCVR4.3%Products17Brands6Top 5 Brands99%OOS Rate0.0%Rating4.7★Reviews474Avg BSR#590
1K750Prime Day '24Spike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.6×

Top 5w20 search terms shoppers use

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

  • 5w20 motoröl8K/yr
  • wss-m2c948-b6K/yr
  • 5w20 ford ecoboost8K/yr
  • 5w206K/yr
  • motoröl 5w206K/yr
  • 5w20 ford4K/yr

What reviews say buyers love and hate about 5w20

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

What buyers love

99% of reviews
Qualität insgesamt27%

Sehr gutes Produkt

beworben Vs Tatsächliches Produkt19%

Alles wie beschrieben

Preis-Leistungs-Verhältnis17%

Super Preis

Schmierung15%

Top Motoröl

Motorleistung11%

Motoröl

What buyers complain about

83% of reviews
Preis-Leistungs-Verhältnis33%

Teuer

beworben Vs Tatsächliches Produkt33%

Das Problem ist beim Angebot auf dem 4 Liter Kanister anders abgebildet, als auf dem gekauften Kanister

Motorische Probleme17%

Motor schnurrt wie ein Kätzchen mit diesem Öl

5w20 return rate & reasons

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

0.4%

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
28%
2Gesamtgröße
16%
3Benutzerfreundlichkeit
12%
4Preis-Leistungs-Verhältnis
12%
5Schmierung
8%

Common 5w20 questions

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

Flapen scores 5w20 43/100 on Amazon Germany — Skip it. The niche generates €48K/yr across 17 tracked products. Search demand moved +18.9% over the last 90 days.
Search demand for 5w20 on Amazon Germany is steady year-round — the busiest month runs 1.6× the quietest.