---
title: "Coolant for My Car By Reg — £47K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/automotive/coolant-for-my-car-by-reg"
last_updated: "2026-08-06T14:17:22.048Z"
locale: en
meta:
description: "Niche score 37/100 · £47K/yr market · 79K searches/yr · £12.44 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 37/100 · £47K/yr market · 79K searches/yr · £12.44 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Coolant for My Car By Reg — £47K/yr Amazon UK Niche (2026) - Flapen"
---
# **coolant for my car by reg**
**Skip it**
A small market ($47K/yr) — this niche doesn't clear our bar today.
Market size 12Growth 25Conversion 56Competition 20Returns 99Price range 43Avg price 54Brand share 23Review moat 75Quality gap 23
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****511.36**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****4.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****£12.44**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****£4.75–£22.76**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+0.4%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****76%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£47K**
£47K/yr · 79K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United Kingdom niche tracking, coolant for my car by reg is a £47K/yr Amazon United Kingdom market (79K searches/yr). The top 5 brands hold 91% of demand. Verdict: Skip it — 37/100.
Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **coolant for my car by reg market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **£50K–£62K**
- units × avg price
- **Conversion rate**
- **4.7%**
- **Avg BSR**
- **#59**
- **Page quality**
- **0%**
- **Prime**
- **73%**
- **Sponsored**
- **55%**
- **Out of stock**
- **9.7%**
- **Avg brand age**
- **77 months**
- **Avg seller age**
- **188 days**
## **Competition & brand share**
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▲rising
**Sellers**
**22**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**76%**
Top 20: 100%
**Open market**
**2%**
- Holts28% - Comma23% - Prestone17% - JOVS11% - DYNAMAX11% - Liqui Moly7% - Open — no brand owns it (1 brand, 2%)
## **Demand**
Weekly Amazon search volume, last 32 weeks — +0.4% search growth over the last 90 days.
3K2KSpike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/uk/automotive/coolant-for-my-car-by-reg/trend)
## **Top coolant for my car by reg search terms**
- **coolant for my car by reg**32K/yr+19.4%1.1% conv. - **wss-m97b44-d coolant**8K/yr+11.8%5.5% conv. - **g40 coolant**9K/yr-20.4%5.0% conv. - **mercedes coolant**4K/yr-1.2%1.1% conv. - **g40 coolant ready mixed**4K/yr-4.3%5.3% conv. - **antifreeze concentrate**9K/yr-54.0%1.1% conv. - **antifreeze coolant concentrate**4K/yr-3.9%1.1% conv. - **coolant for mercedes**3K/yr+18.6%0.8% conv. - **mercedes approved coolant**4K/yr+54.9%0.9% conv. - **find correct coolant for my car**2K/yr-93.6%0.0% conv. [**All search terms **](https://flapen.com/research/uk/automotive/coolant-for-my-car-by-reg/search-terms)
## **Top coolant for my car by reg 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%10%£5K20%£9K30%£14K40%£19K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Comma XSG40M5L Xstream G40 Antifreeze RTU 5 Liter**Comma**£18.46**4.7★377 rev](https://www.amazon.co.uk/dp/B00G6MX5HQ) [2**Holts HAFR0010B Antifreeze Coolant for Car Ford Vaux Opel WSS-M97B44-D/GMW 3240 10-year 300k mile long life protection to -37C Includes Spout Orange 5 Litre**Holts**£14.13**4.6★208 rev](https://www.amazon.co.uk/dp/B0CKFF3V4D) [3**Prestone PAFR0035B Coolant Antifreeze for All Vehicles 10 year 300 000 miles Corrosion Protection Ready to Use 1 Litre**Prestone**£4.75**4.7★1,989 rev](https://www.amazon.co.uk/dp/B0CLS46ZW3) [4**Holts HAFR0009B Antifreeze Coolant for Car Ford Vaux Opel WSS-M97B44-D/GMW 3240 10-year 300k mile long life protection to -37C Orange 1 Litre**Holts**£5.86**4.6★221 rev](https://www.amazon.co.uk/dp/B0CKFF2YTQ) [5**JOVS Antifreeze Engine Coolant Red 5L All-Year Protection for Your Vehicle from Freezing & Overheating - Suitable for All Cars Frost Prevention Trusted Formula for Peak Engine Performance.**JOVS**£9.62**4.6★1,025 rev](https://www.amazon.co.uk/dp/B0BJ39GK76)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Mercedes-Benz Genuine Radiator Coolant Antifreeze Pink 1L OEM MB 325.6 Engine Coolant Anti-Corrosion & Thermal Protection 1 Litre Bottle for Mercedes Cars & Vans A000989180809**Mercedes-Benz**£22.76**33 rev4mo ago](https://www.amazon.co.uk/dp/B0FT3VLX8T) [**Holts HAFR0010B Antifreeze Coolant for Car Ford Vaux Opel WSS-M97B44-D/GMW 3240 10-year 300k mile long life protection to -37C Includes Spout Orange 5 Litre**Holts**£14.13**208 rev2y ago](https://www.amazon.co.uk/dp/B0CKFF3V4D) [**Holts HAFR0009B Antifreeze Coolant for Car Ford Vaux Opel WSS-M97B44-D/GMW 3240 10-year 300k mile long life protection to -37C Orange 1 Litre**Holts**£5.86**221 rev2y ago](https://www.amazon.co.uk/dp/B0CKFF2YTQ) [**DYNAMAX Cool G13 Antifreeze Coolant READY MIX -37 1 Litre Light Red/Violet Colour**DYNAMAX**£10.84**42 rev2y ago](https://www.amazon.co.uk/dp/B0CNTC76PH) [**Prestone PAFR0035B Coolant Antifreeze for All Vehicles 10 year 300 000 miles Corrosion Protection Ready to Use 1 Litre**Prestone**£4.75**1,989 rev2y ago](https://www.amazon.co.uk/dp/B0CLS46ZW3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**LIQUI MOLY Coolant Ready Mix RAF 12+ | 1 L | Winter product | Cooling protection | SKU: 6924 silver**Liqui Moly**£9.85**4.6★**▲ 126%**](https://www.amazon.co.uk/dp/B0119DU7HW) [**DYNAMAX Cool G11 Antifreeze Coolant CONCENTRATE 1 Litre Blue/Green Coolant**DYNAMAX**£13.16**4.6★**▲ 111%**](https://www.amazon.co.uk/dp/B0C5R4FGNH) [**DYNAMAX Cool G13 Antifreeze Coolant READY MIX -37 1 Litre Light Red/Violet Colour**DYNAMAX**£10.84**4.7★**▲ 102%**](https://www.amazon.co.uk/dp/B0CNTC76PH) [**DYNAMAX Cool G12 EVO Antifreeze Coolant CONCENTRATE 1 Litre Light Red/Violet (Purple) Coolant**DYNAMAX**£14.04**4.6★**▲ 81%**](https://www.amazon.co.uk/dp/B0CDM36JB3) [**Holts HAFR0010B Antifreeze Coolant for Car Ford Vaux Opel WSS-M97B44-D/GMW 3240 10-year 300k mile long life protection to -37C Includes Spout Orange 5 Litre**Holts**£14.13**4.6★**▲ 24%**](https://www.amazon.co.uk/dp/B0CKFF3V4D)
**~~View all trending →~~**
## **What buyers say about coolant for my car by reg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**30%
*“Great value for money”*
**Quality-Overall**23%
*“Excellent product”*
**Coolant**19%
*“Coolant Antifreeze”*
**Advertised Vs Actual Product**14%
*“Just as advertised”*
**Ease Of Use**7%
*“Easy to use”*
**Efficiency**1%
*“Good for the car”*
**Durability**1%
*“lasts longer”*
**Size-Overall**1%
*“Good size”*
**Motor Power**0%
*“Happy motoring”*
**Display Colors**0%
*“The right colour”*
### **What buyers complain about **
**Quality-Overall**39%
*“Cheap”*
**Coolant**11%
*“I was buying these regularly last year because I had a coolant leak that my previous mechanic insisted would be a major, expensive job”*
**Leak-Proof**11%
*“Potential to leak”*
**Value For Money**6%
*“Although cheaper in my local supermarket”*
**Heating**6%
*“Car not hot”*
**Instructions/User Manual/Troubleshooting**6%
*“Marking down one star for the terrible photocopy instructions on the bottle”*
### **Top return reasons **
**Compatibility-Overall**26%
**Coolant**22%
**Color**15%
**Leak-Proof**11%
**Defective Material/Parts**8%
**Value For Money**6%
**Quality-Overall**5%
**Advertised Vs Actual Product**2%
**Ease Of Use**1%
**Size-Overall**1%
## **Common questions**
- **Is coolant for my car by reg profitable to sell on Amazon United Kingdom?**
- The niche generates £47K/yr across 11 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +0.4%. Flapen's verdict: Skip it (37/100).
- **How competitive is the coolant for my car by reg niche?**
- 7 brands and 22 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in coolant for my car by reg?**
- Top complaints mined from reviews: Quality-Overall, Coolant, Leak-Proof. The return rate is 0.2%.
- **What does it cost to enter the coolant for my car by reg niche?**
- Listings span £4.75–£22.76; the average listing price is £12.44 (sweet spot $15–$100). The average incumbent carries 511 reviews — the moat a new listing must climb.
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