01
Lowest
$0.12
per quart
98% below median
Amsoil ASL1G-EA Signature Series 5W-30 Synthetic Motor Oil
$100.13
829.5 quarts
Price as of Nov 13, 9:40 PM ET · Details
Cheapest 5w 30 synthetic per quart
64 offers ranked · median $7.39 a quart · checked Nov 13, 9:40 PM ET
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Ranked results
PriceCrow compares available Amazon listings for 5w 30 synthetic, converts compatible package sizes to price per quart, and sorts the results from lowest unit cost upward. This comparison uses current or recently cached Amazon data and may not include every listing, coupon, shipping charge, or Prime offer.
What is the lowest current price per quart?
The lowest recorded result is $0.12 per quart (98% below the median) — Amsoil ASL1G-EA Signature Series 5W-30 Synthetic Motor Oil
Price range: $0.12 – $39.99 per quart across 64 offers. Median sits at $7.39.
Top brands showing: Castrol Gtx, Castrol Edge, Genuine Oem.
How fresh are these Amazon prices?
This result set was last recorded (about 22 hours ago). Rerun the search to check for newer prices.
How should I use this comparison?
Use it as a shortlist, then confirm the product size, price, shipping, coupon terms, availability, and Prime eligibility on Amazon. Add qualifiers such as “organic,” “bulk,” or a brand name when you need a narrower result set. How PriceCrow calculates these prices.
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02
$4.59
per quart
38% below median
Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts
$22.97
5 quarts
Prime
Price as of Nov 13, 9:40 PM ET · Details
03
$4.59
per quart
38% below median
Valvoline MaxLife High Mileage 5W-30 Synthetic Blend Motor Oil 5 Quart | #1 High Mileage Motor Oil Brand, helps protect aging engines, reduce leaks and minimize oil consumption
$22.97
5 quarts
Prime
Price as of Nov 13, 9:40 PM ET · Details
04
$4.60
per quart
38% below median
Valvoline Daily Protection SAE 5W-30 Synthetic Blend Motor Oil 5 QT
$22.98
5 quarts
Price as of Nov 13, 9:40 PM ET · Details
05
$5.33
per quart
28% below median
Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts, Pack of 3
$79.99
15 quarts
Prime
Price as of Nov 13, 9:40 PM ET · Details
06
$5.33
per quart
28% below median
Castrol GTX Full Synthetic High Mileage 5W-30 Motor Oil, 5 Quart, Pack of 3
$79.99
15 quarts
Price as of Nov 13, 9:40 PM ET · Details
07
$5.50
per quart
26% below median
Castrol EDGE 5W-30 Advanced Full Synthetic Motor Oil, 5 Quarts, Eco Pack
$27.48
5 quarts
Prime
Price as of Nov 13, 9:40 PM ET · Details
08
$5.62
per quart
24% below median
Castrol EDGE High Mileage 5W-30 Advanced Full Synthetic Motor Oil, 5 Quarts
$28.12
5 quarts
Prime
Price as of Nov 13, 9:40 PM ET · Details
09
$5.72
per quart
23% below median
Castrol GTX 5W-30 Synthetic Blend Motor Oil, 5 Quarts
$28.58
5 quarts
Prime
Price as of Nov 13, 9:40 PM ET · Details
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