46
diesel engine
Skip itWeak search conversion (0.1%) — this niche doesn't clear our bar today.
Review moat
Incredible9.9avg incumbent reviews — the moat a new listing must climb
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Brand share
Great51%top-5 brand share — no brand owns this niche
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+10.1%90-day search growth — must beat 0% to launch
Avg price
Okay$296.42avg listing price — sweet spot $15–$100
Market size
Bad$70K$70K/yr · 264K searches
Conversion
Bad0.1%search→purchase rate — share of searches ending in a sale
Price range
Bad$64.35–$3119.39cheapest to priciest tracked listing — scored on the share inside $15–$100