5w40
Worth a lookShows low returns (0.5%), but brand-locked demand (top 5 brands take 96% of clicks) keeps it on the watch list.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Incredible€26.27avg listing price — sweet spot $15–$100
Price range
Great€6.53–€62.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good€572K€572K/yr · 578K searches
Competition
Good55%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.8%search→purchase rate — share of searches ending in a sale
Review moat
Okay2,524.27avg incumbent reviews — the moat a new listing must climb
Growth
Okay+11.0%90-day search growth — must beat 0% to launch
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Brand share
Bad96%top-5 brand share — brand-locked demand
According to Flapen's Amazon Germany niche tracking, 5w40 is a €572K/yr Amazon Germany market (578K searches/yr). The top 5 brands hold 96% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
5w40 market data
- Units sold / yr
- 30K–40K
- avg 1,250–1,500/product
- Revenue / yr
- €788K–€1.1M
- units × avg price
- Conversion rate
- 3.8%
- Avg BSR
- #95
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 82%
- Out of stock
- 0.0%
- Avg brand age
- 98 months
- Avg seller age
- 183 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
8 rising
Sellers
78
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
55%
Top 20: 98%
Open market
2%
- Liqui Moly46%
- MANNOL27%
- Castrol17%
- Mobil5%
- ecanis1%
- Mobil Super1%
- Open — no brand owns it (2 brands, 2%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +11.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top 5w40 search terms
- 5w40141K/yr
- motoröl 5w40112K/yr
- 5w40 motoröl 5l72K/yr
- liqui moly 5w4044K/yr
- mannol 5w4032K/yr
- castrol 5w4029K/yr
- öl 5w4020K/yr
- 5w 40 motoröl16K/yr
- 5w40 motoröl15K/yr
- 5w40 liqui moly13K/yr
Top 5w40 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 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
LIQUI MOLY Top Tec 4100 5W-40 | 5 L | Synthesetechnologie Motoröl | Art.-Nr.: 3701
Liqui Moly€32.334.8★7,993 rev

MANNOL 7915 Extreme 5W-40 Synthetisches Motoröl 5L
MANNOL€20.274.7★5,987 rev

LIQUI MOLY Synthoil High Tech 5W-40 | 5 L | vollsynthetisches Motoröl | Art.-Nr.: 1307
Liqui Moly€41.114.8★1,211 rev

Castrol EDGE 5W-40 Motoröl 5L
Castrol€33.124.8★1,130 rev

LIQUI MOLY Leichtlauf High Tech 5W-40 | 1 L | Synthesetechnologie Motoröl | Art.-Nr.: 3863
Liqui Moly€9.284.8★5,214 rev
Newest
by launch date
Motoröl 5 Liter 5W-40 A3/B4 SN ECANIS High-Tech synthetisch für diverse PKW
ecanis€23.707 rev

FLOTEX Premium Tec 5W40 Motoröl 5L I Hochwertiges 5W40 für geringere Emissionswerte I Ergiebiges 5W 40 Motoröl für Otto- & Dieselmotoren I Profi 5 W 40 5L mit hervorragender Viskosität
Flotex€21.8041 rev

Castrol EDGE 5W-40 Motoröl 5L
Castrol€33.121,130 rev

Castrol EDGE TURBO DIESEL 5W-40 Motoröl 5L
Castrol€33.02626 rev

Castrol MAGNATEC 5W-40 C3 Motoröl 5L
Castrol€30.311,026 rev
Trending
90-day click momentum
Motoröl 5 Liter 5W-40 A3/B4 SN ECANIS High-Tech synthetisch für diverse PKW
ecanis€23.704.8★

Total Quartz 9000 5W-40 5L
TotalEnergies€29.344.6★

MANNOL 7915 Extreme 5W-40 4L
MANNOL€19.124.7★

MANNOL 7915 Extreme 5W-40 20L
MANNOL€62.124.7★

Mobil Super 3000 X1 5W-40 1L silber
Mobil Super€6.534.8★
What buyers say about 5w40
What buyers praise and complain about, mined from review topics.What buyers love
“Super Produkt”
“Super Top Motoröl”
“Preis Leistung super”
“Das Produkt entspricht der Beschreibung”
“400 Ps kein Problem”
“Motoröl”
“Passt alles”
“Gut geschmiert”
“EXZELLENTE REINIGUNGSWIRKUNG”
“Praktischer Kanister”
What buyers complain about
“teuer also andere”
“Es ist bestimmt kein High Performance Öl”
“Motoröl 5w30. Kauf ich immer bei Amazon, sehr günstig”
“Läuft aus”
“Hält nicht die Normen”
“Kanister mit Mangelnder Qualität”
“nach rund 5000km war es schwarz”
“Unhandlich”
“Der Kraftstoffverbrauch ist leicht gestiegen”
Top return reasons
Common questions
- Is 5w40 profitable to sell on Amazon Germany?
- The niche generates €572K/yr across 22 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +11.0%. Flapen's verdict: Worth a look (51/100).
- How competitive is the 5w40 niche?
- 8 brands and 78 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in 5w40?
- Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Schmierung, Motorische Probleme. The return rate is 0.5%.
- When does demand for 5w40 peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the 5w40 niche?
- Listings span €6.53–€62.12; the average listing price is €26.27 (sweet spot $15–$100). The average incumbent carries 2,524 reviews — the moat a new listing must climb.