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title: "oil treatment for car engine — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
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last_updated: "2026-07-10T00:56:37.693Z"
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  description: "a small market ($193K/yr) — oil treatment for car engine doesn't clear our bar today."
  "og:description": "a small market ($193K/yr) — oil treatment for car engine doesn't clear our bar today."
  "og:title": "oil treatment for car engine — Niche Verdict: Skip it (45/100) | Amazon United States - Flapen"
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# **oil treatment for car engine**

**Skip it****45/100 **

a small market ($193K/yr) — oil treatment for car engine doesn't clear our bar today.

**Market/yr**

**$193K**

**Growth (1y)**

**+176.7%**

**Products**

**20**

**Brands**

**9**

was 9 a year ago

**Sellers**

**163**

**Price range**

**$5.11–$116.20**

**Returns**

**0.4%**

**Rating**

**4.7★**

**Skip it**

Scored 45/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**10**

 ×0.30

Growth

**74**

 ×0.30

Competition

**42**

 ×0.20

Quality gap

**23**

 ×0.10

Returns

**97**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 88 weeks — +176.7% year over year.

3K2KSpike '25Prime Day '25Spike '26Nov '24Feb '25May '25Aug '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

No pronounced peak months · busiest ÷ quietest = 1.5×

## **Competition**

- STP56% - Prolube14% - Lucas Oil10% - Liqui Moly6% - LUCAS OIL4% - Rislone4% - Other (3 brands)6%

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them. 9 brands and 163 sellers compete here.

**Brands**

**9 **—flat

was 9 a year ago

**Sellers**

**163**

**Top 5 brand share**

**90%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![STP High Viscosity Oil Treatment (15 fluid ounces)](https://m.media-amazon.com/images/I/41VBy99WNaL.jpg) [**STP High Viscosity Oil Treatment (15 fluid ounces)**](https://www.amazon.com/dp/B0009PCPP4)

STP$5.114.7★1,08919%▲rising

2
![STP High Mileage Oil Treatment + Stop Leak - 15 FL OZ](https://m.media-amazon.com/images/I/41pSDZRYa9L.jpg) [**STP High Mileage Oil Treatment + Stop Leak - 15 FL OZ**](https://www.amazon.com/dp/B00D8OFQUE)

STP$6.884.6★1,90118%—flat

3
![Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)](https://m.media-amazon.com/images/I/41m1ebjLemL.jpg) [**Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)**](https://www.amazon.com/dp/B0DW3MFN2F)

Prolube$37.004.6★2,79311%▲rising

4
![Lucas Oil 10001 Heavy Duty Oil Stabilizer - 1 Quart](https://m.media-amazon.com/images/I/31VVtnDGq-L.jpg) [**Lucas Oil 10001 Heavy Duty Oil Stabilizer - 1 Quart**](https://www.amazon.com/dp/B000AS1XYO)

Lucas Oil$11.914.8★6,6568%—flat

5
![STP Oil Treatment (15 oz.) - 12 Pack](https://m.media-amazon.com/images/I/51eyNLzUMeL.jpg) [**STP Oil Treatment (15 oz.) - 12 Pack**](https://www.amazon.com/dp/B06XCZJKXJ)

STP$48.874.8★1496%▼falling

6
![Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009](https://m.media-amazon.com/images/I/31xUWiSNVHL.jpg) [**Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009**](https://www.amazon.com/dp/B003U4O414)

Liqui Moly$9.704.7★7,0734%▼falling

7
![Lucas Oil 10118 High Mileage Oil Stabilizer - 1 Quart](https://m.media-amazon.com/images/I/31BPg6DMkCL.jpg) [**Lucas Oil 10118 High Mileage Oil Stabilizer - 1 Quart**](https://www.amazon.com/dp/B075P8VVTJ)

LUCAS OIL$15.334.8★3,4574%▼falling

8
![STP Ceramic Oil Treatment Protective Coating and Anti-Friction Technology 15 Oz (19387)](https://m.media-amazon.com/images/I/41nHqQCDe7L.jpg) [**STP Ceramic Oil Treatment Protective Coating and Anti-Friction Technology 15 Oz (19387)**](https://www.amazon.com/dp/B0BLD4CFT9)

STP$13.304.6★4164%▼falling

9
![Rislone 4102 XTREME LUBE Maximum Performance Engine Treatment 16.9 oz.](https://m.media-amazon.com/images/I/41mbjirJkhL.jpg) [**Rislone 4102 XTREME LUBE Maximum Performance Engine Treatment 16.9 oz.**](https://www.amazon.com/dp/B0078661MK)

Rislone$6.474.6★1,9684%▼falling

10

![STP 65148 15 Oz Oil Treatment](https://m.media-amazon.com/images/I/51FXhe8ADDL.jpg) [**STP 65148 15 Oz Oil Treatment**](https://www.amazon.com/dp/B002YL7SI0)

STP$7.044.7★1783%▼falling

11

![Hot Shots Secret Tick Fix + Protect 32 fl oz Engine Oil Additive for Gas Engines Reduces Lifter Tick and Engine Noise FR3 Nano Technology](https://m.media-amazon.com/images/I/41D1wumFPZL.jpg) [**Hot Shots Secret Tick Fix + Protect 32 fl oz Engine Oil Additive for Gas Engines Reduces Lifter Tick and Engine Noise FR3 Nano Technology**](https://www.amazon.com/dp/B0G6HKGZH2)

Hot Shot's Secret$19.344.1★1882%▲rising

12

![Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (16oz)](https://m.media-amazon.com/images/I/41-yywE-K4L.jpg) [**Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (16oz)**](https://www.amazon.com/dp/B0DVT5763K)

Prolube$29.384.6★2,7932%▼falling

13

![STP 65148 15 Oz Oil Treatment](https://m.media-amazon.com/images/I/31Oxz5FW6+L.jpg) [**STP 65148 15 Oz Oil Treatment**](https://www.amazon.com/dp/B00QTLTK9Q)

STP$10.335.0★82%▼falling

14

![STP Synthetic Automotive Oil Treatment - 15 FL OZ Bottle 6 Pack](https://m.media-amazon.com/images/I/51M4f1nrljL.jpg) [**STP Synthetic Automotive Oil Treatment - 15 FL OZ Bottle 6 Pack**](https://www.amazon.com/dp/B0GWMYVKQD)

STP$56.720.0★02%▲rising

15

![LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance Less Friction & Lower Fuel Consumption 300 ml](https://m.media-amazon.com/images/I/311w8nUBq7L.jpg) [**LIQUI MOLY Oil Additive Cera Tec 20002 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance Less Friction & Lower Fuel Consumption 300 ml**](https://www.amazon.com/dp/B001CZODH8)

Liqui Moly$28.704.8★33,7742%▼falling

**~~Showing 15 of 20 — show all ~~**

## **Product shelf**

All 20 tracked products in this niche.

Top sellersNewestTrending

[![STP High Viscosity Oil Treatment (15 fluid ounces)](https://m.media-amazon.com/images/I/41VBy99WNaL.jpg)**STP High Viscosity Oil Treatment (15 fluid ounces)** STP**$5.11**4.7★1,089 reviews](https://www.amazon.com/dp/B0009PCPP4) [![STP High Mileage Oil Treatment + Stop Leak - 15 FL OZ](https://m.media-amazon.com/images/I/41pSDZRYa9L.jpg)**STP High Mileage Oil Treatment + Stop Leak - 15 FL OZ** STP**$6.88**4.6★1,901 reviews](https://www.amazon.com/dp/B00D8OFQUE) [![Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)](https://m.media-amazon.com/images/I/41m1ebjLemL.jpg)**Prolube Oil Treatment - Engine Oil Additive for Gas & Diesel Engines - Reduces Wear Noise Vibration - Boosts Fuel Economy & Horsepower - Works on Transmissions & Differentials (1QT)** Prolube**$37.00**4.6★2,793 reviews](https://www.amazon.com/dp/B0DW3MFN2F) [![Lucas Oil 10001 Heavy Duty Oil Stabilizer - 1 Quart](https://m.media-amazon.com/images/I/31VVtnDGq-L.jpg)**Lucas Oil 10001 Heavy Duty Oil Stabilizer - 1 Quart** Lucas Oil**$11.91**4.8★6,656 reviews](https://www.amazon.com/dp/B000AS1XYO) [![STP Oil Treatment (15 oz.) - 12 Pack](https://m.media-amazon.com/images/I/51eyNLzUMeL.jpg)**STP Oil Treatment (15 oz.) - 12 Pack** STP**$48.87**4.8★149 reviews](https://www.amazon.com/dp/B06XCZJKXJ) [![Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009](https://m.media-amazon.com/images/I/31xUWiSNVHL.jpg)**Liqui Moly MoS2 Anti-Friction Engine Treatment | 300 ml | Oil additive | SKU: 2009** Liqui Moly**$9.70**4.7★7,073 reviews](https://www.amazon.com/dp/B003U4O414) [![Lucas Oil 10118 High Mileage Oil Stabilizer - 1 Quart](https://m.media-amazon.com/images/I/31BPg6DMkCL.jpg)**Lucas Oil 10118 High Mileage Oil Stabilizer - 1 Quart** LUCAS OIL**$15.33**4.8★3,457 reviews](https://www.amazon.com/dp/B075P8VVTJ) [![STP Ceramic Oil Treatment Protective Coating and Anti-Friction Technology 15 Oz (19387)](https://m.media-amazon.com/images/I/41nHqQCDe7L.jpg)**STP Ceramic Oil Treatment Protective Coating and Anti-Friction Technology 15 Oz (19387)** STP**$13.30**4.6★416 reviews](https://www.amazon.com/dp/B0BLD4CFT9)

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**20%

*“Excellent product”*

**Lubrication**12%

*“Improved lubricant and performance all around”*

**Noise Level**12%

*“I noticed less noise”*

**Advertised Vs Actual Product**11%

*“AS ADVERTISED”*

**Value For Money**9%

*“Not too expensive”*

**Efficiency**8%

*“Immediate improvements”*

**Fuel Efficiency**7%

*“Gas mileage has improved slightly too”*

**Ease Of Use**3%

*“Easy to use”*

**Motor Power**3%

*“Motor runs smoothly”*

**Soft Feel**1%

*“Super smooth”*

### **What buyers complain about **

**Noise Level**18%

*“which has been noisy since i bought it”*

**Functionality-Overall**16%

*“Did not work”*

**Lubrication**11%

*“Anxious to see if this lubricant lives up to it's reputation”*

**Value For Money**9%

*“Overpriced”*

**Leak-Proof**5%

*“Leak”*

**Fuel Efficiency**4%

*“I don't know if it was this or the fact that I switched to running non ethanol gas in the car”*

**Advertised Vs Actual Product**3%

*“change the photo it is very deceiving”*

**Quality-Overall**2%

*“Extremely dissatisfied with this product”*

**Thickness**2%

*“This is so thick”*

**Compatibility-Overall**1%

*“Will not work for the pentastar 3.6”*

#### **Top return reasons**- Compatibility-Overall20% - Leak-Proof20% - Value For Money13% - Advertised Vs Actual Product10% - Functionality-Overall9% - Defective Material/Parts5% - Lubrication5% - Size-Overall3% - Fuel Efficiency3% - Noise Level2%