---
title: "Diesel Additiv — €663K/yr Amazon DE Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/de/auto-motorrad/diesel-additiv"
last_updated: "2026-08-09T21:31:00.927Z"
locale: en
meta:
description: "Niche score 48/100 · €663K/yr market · 949K searches/yr · €19.47 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · €663K/yr market · 949K searches/yr · €19.47 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Diesel Additiv — €663K/yr Amazon DE Niche (2026) - Flapen"
---
# **diesel additiv**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 67Growth 23Conversion 45Competition 58Returns 99Price range 82Avg price 86Brand share 0Review moat 24Quality gap 21
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****€19.47**
avg listing price — sweet spot $15–$100
**Price range**
**Great****€4.83–€67.94**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****€663K**
€663K/yr · 949K searches
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****3.6%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****4,927.72**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-4.6%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon Germany niche tracking, diesel additiv is a €663K/yr Amazon Germany market (949K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 48/100.
Data updated Jul 6, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **diesel additiv market data**
- **Units sold / yr**
- **40K–50K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **€779K–€974K**
- units × avg price
- **Conversion rate**
- **3.6%**
- **Avg BSR**
- **#14**
- **Page quality**
- **0%**
- **Prime**
- **56%**
- **Sponsored**
- **68%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **65 months**
- **Avg seller age**
- **180 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**4 **▼falling
**Sellers**
**90**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**50%**
Top 20: 95%
**Open market**
**0%**
- Liqui Moly86% - SYPRIN9% - LIFETIME4% - RAVENOL2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -4.6% search growth over the last 90 days.
25K15KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/de/auto-motorrad/diesel-additiv/trend)
## **Top diesel additiv search terms**
- **liqui moly**409K/yr+4.4%2.0% conv. - **diesel additiv**284K/yr-7.7%5.2% conv. - **liqui moly diesel additiv**44K/yr-38.3%5.2% conv. - **liqui moly diesel**31K/yr+4.6%4.6% conv. - **diesel additiv liqui moly**29K/yr-11.5%6.3% conv. - **liqui moly super diesel additiv**18K/yr+1.7%8.4% conv. - **additive diesel motor**18K/yr+0.2%5.7% conv. - **diesel zusatz**21K/yr-27.3%2.9% conv. - **super diesel additiv liqui moly**13K/yr+5.4%8.8% conv. - **liqui moly additiv**11K/yr-10.6%4.8% conv. [**All search terms **](https://flapen.com/research/de/auto-motorrad/diesel-additiv/search-terms)
## **Top diesel additiv 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%5%€33K10%€66K15%€99K20%€133K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**2x LIQUI MOLY 5128 Motor-System-Reiniger Diesel Additiv 300ml**Liqui Moly**€21.36**4.7★4,106 rev](https://www.amazon.de/dp/B01K1SSETE) [2**2x 250ml LIQUI MOLY 5120 Additiv Super Diesel Additiv Korrosion Schutz Reinigung**Liqui Moly**€16.34**4.8★2,609 rev](https://www.amazon.de/dp/B00YC4U26C) [3**Liqui Moly Speed Tec Diesel | 250 ml | Dieseladditiv | Art.-Nr.: 3722 Farblos**Liqui Moly**€6.49**4.7★2,246 rev](https://www.amazon.de/dp/B00295I3NU) [4**SYPRIN Original Diesel System Reiniger - Systemreiniger für Dieselmotoren I Reinigt Einspritzdüsen Injektoren & Kraftstoffsystem - 500ml**SYPRIN**€18.17**4.6★4,069 rev](https://www.amazon.de/dp/B082WF32BG) [5**LIQUI MOLY Motorsystemreiniger Benzin | 300 ml | Benzinadditiv | Art.-Nr.: 5129**Liqui Moly**€9.89**4.6★12,360 rev](https://www.amazon.de/dp/B001CZKBFG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**RAVENOL Diesel Clean Extreme**RAVENOL**€7.61**271 rev1y ago](https://www.amazon.de/dp/B0DP7YVSKL) [**LIFETIME Longlife Diesel Additiv Konzentrat Pro-Line | Diesel Zusatz | Reicht für 9-10 Tankfüllungen | Diesel Reiniger I Diesel Systemreiniger I DPF Reiniger I Diesel Injektor Reiniger I 500ml**LIFETIME**€21.47**391 rev2y ago](https://www.amazon.de/dp/B0CSN5MCN8) [**SYPRIN Original Diesel Additiv - Kraftstoffzusatz für Dieselmotoren Dieselsystem I Dieseladditiv Kraftstoffadditiv Injektoren Injektor - 250ml**SYPRIN**€13.45**2,328 rev6y ago](https://www.amazon.de/dp/B082WFG1HB) [**SYPRIN Original Diesel System Reiniger - Systemreiniger für Dieselmotoren I Reinigt Einspritzdüsen Injektoren & Kraftstoffsystem - 500ml**SYPRIN**€18.17**4,069 rev6y ago](https://www.amazon.de/dp/B082WF32BG) [**8x Additiv LIQUI MOLY 5120 Super Diesel Additiv Korrosion Schutz Reinigung 250ml**Liqui Moly**€46.21**418 rev8y ago](https://www.amazon.de/dp/B06XZZSFL4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**LIQUI MOLY 5176 Pro-Line Super Diesel Additiv 1 l**Liqui Moly**€20.59**4.6★**▲ 89%**](https://www.amazon.de/dp/B004GV7C14) [**BandelOne enthält 2x 500mL Liqui Moly 5156 Pro-Line Diesel System Injektor Reiniger Dieseladditiv**Liqui Moly**€31.23**4.7★**▲ 61%**](https://www.amazon.de/dp/B01K1SR6MU) [**Liqui Moly Öl-Verlust Stop | 300 ml | Öladditiv | Art.-Nr.: 1005**Liqui Moly**€11.38**4.4★**▲ 52%**](https://www.amazon.de/dp/B001CZSGTE) [**LIQUI MOLY Injectionreiniger | 300 ml | Benzinadditiv | Art.-Nr.: 5110**Liqui Moly**€8.25**4.6★**▲ 23%**](https://www.amazon.de/dp/B001CZKC3M) [**LIQUI MOLY Pro-Line Motorspülung | 500 ml | Öladditiv | Art.-Nr.: 2427**Liqui Moly**€9.24**4.7★**▲ 20%**](https://www.amazon.de/dp/B001CZSG94)
**~~View all trending →~~**
## **What buyers say about diesel additiv**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Qualität insgesamt**28%
*“Beste Produkt”*
**beworben Vs Tatsächliches Produkt**10%
*“Produkt wie beschrieben”*
**Motorleistung**8%
*“1A, das Beste für den Motor”*
**Preis-Leistungs-Verhältnis**8%
*“Bester Gegenwert fürs Geld”*
**Treibstoffeffizienz**7%
*“nahm das Gas besser an.”*
**Effizienz**7%
*“Bester Motorreiniger”*
**Schmierung**6%
*“Gute Motorspülung”*
**Einfache Reinigung**6%
*“Injektion cleaner”*
**Geräuschpegel**4%
*“Motor läuft leiser”*
**Gesamtgröße**3%
*“Passt Alles”*
### **What buyers complain about **
**Funktionalität insgesamt**22%
*“Funktioniert nicht”*
**Schmierung**9%
*“ein spürbarar Teil der Reibung ist vom Motor in Richtung Bremse gewandert, was vorallem bei 4 Zylinder deutlich am Bremsabrieb sichtbar ist.”*
**Geräuschpegel**7%
*“Motor ist immer noch laut”*
**Geruch**6%
*“Riesen Sauerei und alles stinkt bis heute noch”*
**Preis-Leistungs-Verhältnis**5%
*“Schade ums Geld”*
**Filterung**5%
*“bei unserem 218d brachte der Partikelfilter ne Störung”*
**Treibstoffeffizienz**5%
*“vermutlich von schlechtem Treibstoff”*
**Motorische Probleme**4%
*“Ok. Motor läuft noch”*
**Wartung und Reparatur**3%
*“Pflege muss sein”*
**Auslaufsicher**3%
*“Dose undicht”*
### **Top return reasons **
**Kompatibilität – insgesamt**32%
**Gesamtgröße**13%
**Funktionalität insgesamt**10%
**Auslaufsicher**10%
**Motorische Probleme**7%
**beworben Vs Tatsächliches Produkt**7%
**Defekt Material/Teile**3%
**Schmierung**3%
**Preis-Leistungs-Verhältnis**2%
**Qualität insgesamt**2%
## **Common questions**
- **Is diesel additiv profitable to sell on Amazon Germany?**
- The niche generates €663K/yr across 25 tracked products. 90-day search growth is -4.6%. Flapen's verdict: Skip it (48/100).
- **How competitive is the diesel additiv niche?**
- 4 brands and 90 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in diesel additiv?**
- Top complaints mined from reviews: Funktionalität insgesamt, Schmierung, Geräuschpegel. The return rate is 0.3%.
- **When does demand for diesel additiv peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the diesel additiv niche?**
- Listings span €4.83–€67.94; the average listing price is €19.47 (sweet spot $15–$100). The average incumbent carries 4,928 reviews — the moat a new listing must climb.
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