10w40
Worth a lookShows low returns (0.4%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Avg price
Great€18.32avg listing price — sweet spot $15–$100
Price range
Great€4.63–€50.61cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.5%search→purchase rate — share of searches ending in a sale
Market size
Good€437K€437K/yr · 365K searches
Growth
Okay+15.6%90-day search growth — must beat 0% to launch
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,608.3avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon Germany niche tracking, 10w40 is a €437K/yr Amazon Germany market (365K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
10w40 market data
- Units sold / yr
- 25K–30K
- avg 1,250–1,500/product
- Revenue / yr
- €458K–€550K
- units × avg price
- Conversion rate
- 6.5%
- Avg BSR
- #63
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 75%
- Out of stock
- 0.0%
- Avg brand age
- 99 months
- Avg seller age
- 184 days
Competition & brand share
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.Brands
5 falling
Sellers
85
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
59%
Top 20: 100%
Open market
0%
- MANNOL50%
- Liqui Moly36%
- Castrol8%
- Mobil Super4%
- Mobil2%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +15.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top 10w40 search terms
- 10w40 motoröl108K/yr
- motoröl 10w4074K/yr
- 10w4053K/yr
- liqui moly 10w4019K/yr
- mannol 10w4019K/yr
- öl 10w4015K/yr
- 10w40 motoröl 5l17K/yr
- 10 w 40 motoröl14K/yr
- motorenöl 10w-407K/yr
- motoröl 10w40 5 liter6K/yr
Top 10w40 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.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MANNOL 7501 Classic 10W-40 5 L
MANNOL€14.094.8★4,286 rev
MANNOL 7501 Classic 10W-40 10L
MANNOL€25.504.8★4,286 rev
LIQUI MOLY MoS2 Leichtlauf 10W-40 | 5 L | teilsynthetisches Motoröl | Art.-Nr.: 1092
Liqui Moly€30.624.6★2,001 rev
LIQUI MOLY Leichtlauf 10W-40 | 5 L | Synthesetechnologie Motoröl | Art.-Nr.: 1310
Liqui Moly€28.034.8★4,609 rev
MANNOL 7507 Defender 10W-40 5L
MANNOL€15.884.7★6,639 rev
Newest
by launch date
MANNOL 7726 Ceramic Pro 10W-40 5L
MANNOL€20.1130 rev
Castrol POWER1 4T 10W-40 Motoröl 4L
Castrol€29.591,060 rev
Castrol GTX 10W-40 A3/B4 Motoröl 5L
Castrol€23.26919 rev
Castrol POWER1 4T 10W-40 Motoröl 1L
Castrol€10.43856 rev
MANNOL 7501 Classic 10W-40 10L
MANNOL€25.504,286 rev
Trending
90-day click momentum
LIQUI MOLY Motorbike 4T 10W-40 | 1 L | Motorrad 4-Takt-Öl | Art.-Nr.: 3044
Liqui Moly€10.444.8★
Liqui Moly Formula Super 10W-40 | 1 L | mineralisches Motoröl | Art.-Nr.: 3862
Liqui Moly€8.944.8★
MANNOL 7507 Defender 10W-40 1L
MANNOL€4.634.7★
LIQUI MOLY Motorbike 4T 10W-40 | 4 L | Motorrad 4-Takt-Öl | Art.-Nr.: 3046
Liqui Moly€26.204.8★
MANNOL 7726 Ceramic Pro 10W-40 5L
MANNOL€20.114.3★
What buyers say about 10w40
What buyers praise and complain about, mined from review topics.What buyers love
“Super Qualität”
“Tolles Öl auch für ältere Motoren”
“Super günstig ok”
“Alles so wie es sein soll”
“Super, Motoröl”
“Passt”
“Zuverlässigkeit”
“Motoröl”
“Deutscher Hersteller”
“Funktioniert wie es soll”
What buyers complain about
“Für 5.30€ Top Preis Leistung”
“Zu dünn”
“Flasche undicht”
“Öl schmiert, Motor läuft”
“Nicht geeignet für honda st 1100 bj 91”
“haben eine sehr geringe Qualität.”
“scheint Wasser drinnen zu sein, war in einem Beutel eingeschweißt,. wie kann so was?”
“Es ist grau”
“Es ist grau und stinkt nach Abgasen”
“Meiner Meinung nach ist es für luftgekühlte Motorräder nicht ganz gut geeignet”
Top return reasons
Common questions
- Is 10w40 profitable to sell on Amazon Germany?
- The niche generates €437K/yr across 20 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +15.6%. Flapen's verdict: Worth a look (50/100).
- How competitive is the 10w40 niche?
- 5 brands and 85 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in 10w40?
- Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Dicke, Auslaufsicher. The return rate is 0.4%.
- When does demand for 10w40 peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the 10w40 niche?
- Listings span €4.63–€50.61; the average listing price is €18.32 (sweet spot $15–$100). The average incumbent carries 2,608 reviews — the moat a new listing must climb.