10w30 motor oil
Launch itA $1.5M/yr market growing +27.6% this quarter with returns at 0.5% — clears our launch bar.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Avg price
Great$21.00avg listing price — sweet spot $15–$100
Market size
Great$1.5M$1.5M/yr · 760K searches
Conversion
Great9.2%search→purchase rate — share of searches ending in a sale
Price range
Great$5.37–$69.13cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+27.6%90-day search growth — must beat 0% to launch
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Review moat
Bad5,948.36avg incumbent reviews — the moat a new listing must climb
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 United States niche tracking, 10w30 motor oil is a $1.5M/yr Amazon United States market (760K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Apr–May. Verdict: Launch it — 58/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
10w30 motor oil market data
- Units sold / yr
- 80K–100K
- avg 4,000–5,000/product
- Revenue / yr
- $1.7M–$2.1M
- units × avg price
- Conversion rate
- 9.2%
- Avg BSR
- #44
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 32%
- Out of stock
- 0.0%
- Avg brand age
- 97 months
- Avg seller age
- 151 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
7 falling
Sellers
78
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
57%
Top 20: 98%
Open market
1%
- Valvoline27%
- Castrol23%
- Pennzoil17%
- Mobil16%
- STP13%
- HAVOLINE3%
- Open — no brand owns it (1 brand, 1%)
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — +27.6% search growth over the last 90 days.Peak months: Apr, May · busiest ÷ quietest = 2.3×
Top 10w30 motor oil search terms
- 10w30 motor oil280K/yr
- 10w30 synthetic motor oil96K/yr
- motor oil 10w-3045K/yr
- 10w3042K/yr
- mobil 1 10w30 full synthetic25K/yr
- 10w-30 full synthetic oil32K/yr
- 10w 30 motor oil26K/yr
- castrol 10w3025K/yr
- 10w-3021K/yr
- 10w30 full synthetic motor oil17K/yr
Top 10w30 motor oil 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
Valvoline High Mileage with MaxLife Technology 10W-30 Synthetic Blend Motor Oil 5 Quart
Valvoline$19.914.8★28,037 rev
STP Premium Synthetic Blend 4 Cycle Small Engine Oil SAE 10w30 Motor Oil for Lawnmowers Generators Tractors Snow Blowers and More 32 fl oz
STP$11.004.8★3,439 rev
Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil 5 Quarts
Castrol$16.834.8★3,463 rev
Mobil 1 Advanced Full Synthetic Motor Oil 10W-30 5 Quart
Mobil$25.574.8★2,139 rev
Castrol GTX 10W-30 Conventional Motor Oil 5 Quarts
Castrol$20.814.8★4,417 rev
Newest
by launch date
Havoline Motor Oil 10w30 High Mileage Synthetic Technology Smart Change Engine Oil 10W-30 6 Quarts Pack of 1
HAVOLINE$22.6399 rev
Shell Rotella T6 Full Synthetic 10W-30 Diesel Engine Oil 1 Gallon (3 Pack)
Shell Rotella$69.13468 rev
Valvoline MaxLife High Mileage Full Synthetic 10W-30 Motor Oil 5 Quart
Valvoline$26.8311,005 rev
STP Premium Synthetic Blend 4 Cycle Small Engine Oil SAE 10w30 Motor Oil for Lawnmowers Generators Tractors Snow Blowers and More 32 fl oz
STP$11.003,439 rev
Mobil 1 Extended Performance 10W-30; 5QT
Mobil$28.51835 rev
Trending
90-day click momentum
Pennzoil Platinum Full Synthetic 10W-30 Motor Oil 5 Quart
Pennzoil$19.424.8★
Pennzoil 10W-30 Motor Oil 5 Quart
Pennzoil$22.364.8★
Pennzoil Platinum Full Synthetic 10W-30 Motor Oil 1 Quart
Pennzoil$7.174.8★
Valvoline Full Synthetic High Mileage with MaxLife Technology 10W-30 Motor Oil 1 QT
Valvoline$7.984.8★
Castrol GTX High Mileage 10W-30 Synthetic Blend Motor Oil 5 Quarts
Castrol$16.834.8★
What buyers say about 10w30 motor oil
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent value”
“Excellent product”
“Good Lubrication”
“As advertised”
“Excellent motor oil”
“Very effective and to me is the best brand”
“Fuel efficiency”
“Easy to use”
“doesnt cause leaks”
“Correct 👍 product”
What buyers complain about
“Bottle leaked”
“a little expensive”
“1=too heavy to move around”
“don't buy for everyday use”
“Small engine oil”
“It is hard to pour out the box without making a little of a mess”
“The majority of jeep 4.0L owners think modern oil is bad”
“Does not look like Mobil1 not much thicker than water”
“It was the heaviest oil filter I have ever changed on my truck”
“Before, it would stop as soon as it started, which was very troublesome, especially when it was cold”
Top return reasons
Common questions
- Is 10w30 motor oil profitable to sell on Amazon United States?
- The niche generates $1.5M/yr across 22 tracked products. 90-day search growth is +27.6%. Flapen's verdict: Launch it (58/100).
- How competitive is the 10w30 motor oil niche?
- 7 brands and 78 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in 10w30 motor oil?
- Top complaints mined from reviews: Leak-Proof, Value For Money, Weight Heavy. The return rate is 0.5%.
- When does demand for 10w30 motor oil peak?
- Demand peaks in Apr–May; the busiest month runs 2.3× the quietest.
- What does it cost to enter the 10w30 motor oil niche?
- Listings span $5.37–$69.13; the average listing price is $21.00 (sweet spot $15–$100). The average incumbent carries 5,948 reviews — the moat a new listing must climb.