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10w40 Engine Oil

Maybe

An estimated 0.4% of orders come back. But the products selling today already average 4.7★, so 10w40 Engine Oil is a Maybe.

Flapen Score
52
52 / 100
Top 34% of 811 Automotive niches · +3 vs the category median of 49
Market size
£167K/yr102K searches / yr
90-day growth
+12.9%search demand this quarter
Competition
57%top-5 click share · 10 brands · 51 sellers

Flapen Score

10w40 Engine Oil against its category

The dotted line is the Automotive average. Past it, 10w40 Engine Oil is stronger. Inside it, weaker.

52Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 10w40 Engine Oil market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for 10w40 Engine Oil 102K times last year and spent an estimated £167K. The top 5 brands take 90% of clicks. Demand peaks in May–Jun–Jul. Flapen scores it 52 out of 100, a Maybe.

01 · Demand

An estimated 8.7% of those searches ended in a purchase.

Shoppers searched for this 102K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 8.7% of those searches ended in a purchase. Searches in the last 90 days moved +12.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £167K a year.

Searches, last 12 months
102K
Growth, 90 days vs prior 90
+12.9%
Conversion, latest week
8.7%
Market size, estimated
£167Ka year
Peak month
May2.6× the quietest month
Top search term
10w40 motorcycle oil29K searches a year

02 · Price

A sale here is worth £18.94.

Listings sell for £18.94 on average, from £5.95 to £33.22. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 250 to 500 of them. At £18.94 that is £5K to £9K a year per listing.

Average price
£18.94inside the $15 to $100 sweet spot
Price range
£5.95–£33.22
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
8K–10K
Units per listing a year
250–500
Revenue per listing a year
£5K–£9K
Returns
0.4%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

71% of listings pay for placement with sponsored ads. 83% ship with Prime. On an average day, 10.0% of listings are out of stock. The average listing ranks #83 within Oils & Fluids. It carries 505 reviews at 4.73 stars, so a new listing needs social proof before a better product.

Sponsored listings
71%
Prime listings
83%
Out of stock, average day
10.0%
Average rank
#83in Oils & Fluids
Average rating
4.73 starsAmazon United Kingdom average 4.36 stars
Average reviews
505per listing
Listings tracked
24

04 · Newcomers

0 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 79 months on average, so the names here are established.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
79 months

Products

Top 10w40 Engine Oil products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 57% of clicks. Leaders hold, but buyers still shop past them.

Brands

10 falling

Sellers

51

Top-5 brand share

90%

Top 20: 100%

Top-5 click share

57%

Top 20: 95%

Open market

6%

  • Brand 173%
  • Brand 26%
  • Brand 34%
  • Brand 44%
  • Brand 54%
  • Brand 63%
  • Open — no brand owns it (4 brands, 6%)

Demand

10w40 Engine Oil search demand

Weekly searches over the year, seasonality beneath. Pick a range.

3K2KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul · busiest ÷ quietest = 2.6×

Search terms

Top 10w40 Engine Oil search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • 10w40 motorcycle oil29K/yr
  • 10w40 engine oil23K/yr
  • motorcycle oil9K/yr
  • 10w 40 motorcycle oil6K/yr
  • 10w 40 engine oil5K/yr
  • 10w405K/yr
  • motorbike oil4K/yr
  • 10 40 motorcycle oil4K/yr
  • castrol power 1 4t 10w-40 motorcycle oil4K/yr
  • 10w40 semi synthetic oil4K/yr

Reviews and returns

What reviews say buyers love and hate about 10w40 Engine Oil

We read the reviews and the return reasons for every product selling here.

37%of positive reviews mention “Value For Money”
14%of negative reviews mention “Compatibility-Overall”
0.4%of orders come back
“Not suitable for motorbikes”
A buyer, on “Compatibility-Overall”14% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common 10w40 Engine Oil questions

Answered from the same tracked data.