01
Lowest
$0.13
per quart
98% below median
Amsoil ASL1G-EA Signature Series 5W-30 Synthetic Motor Oil
$104.08
829.5 quarts
Price as of Sep 29, 10:14 PM ET · Details
Cheapest 5w 30 synthetic per quart
65 offers ranked · median $7.04 a quart · checked Sep 29, 10:14 PM ET
Off: shows the same results Amazon returns, without extra filtering.
All words: keeps items whose title contains every word from your search, in any order.
Exact phrase: keeps items whose title includes your full search phrase exactly as typed.
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 $0.13 per quart (98% below the median) — Amsoil ASL1G-EA Signature Series 5W-30 Synthetic Motor Oil
Price range: $0.13 – $40.00 per quart across 65 offers. Median sits at $7.04.
Top brands showing: Castrol Gtx, Castrol Edge, Valvoline Max Life.
How fresh are these Amazon prices?
This result set was last recorded (about 21 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.
Results too broad? Try Strict match.
No results match your strict filter.
Switch to All Words, or turn the filter off.
02
$4.16
per quart
41% below median
Castrol GTX 5W-30 Synthetic Blend Motor Oil, 5 Quarts
$20.97
5.04 quarts
Prime
Price as of Sep 29, 10:14 PM ET · Details
03
$4.48
per quart
36% below median
Valvoline MaxLife High Mileage 5W-30 Synthetic Blend Motor Oil 5 Quart
$22.97
5.13 quarts
Prime
Price as of Sep 29, 10:14 PM ET · Details
04
$4.48
per quart
36% below median
Havoline Motor Oil 5w30 High Mileage Synthetic Technology Smart Change Engine Oil, 5W-30, 6 Quarts, Pack of 1
$26.88
6 quarts
Price as of Sep 29, 10:14 PM ET · Details
05
$4.48
per quart
36% below median
Valvoline MaxLife High Mileage 5W-30 Synthetic Blend Motor Oil 1 Quart, Pack of 6
$27.56
6.15 quarts
Prime
Price as of Sep 29, 10:14 PM ET · Details
06
$4.80
per quart
32% below median
Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil, 5 Quarts
$23.97
4.99 quarts
Prime
Price as of Sep 29, 10:14 PM ET · Details
07
$5.44
per quart
23% below median
Castrol EDGE 5W-30 Advanced Full Synthetic Motor Oil, 5 Quarts, Eco Pack
$27.48
5.05 quarts
Price as of Sep 29, 10:14 PM ET · Details
08
$5.44
per quart
23% below median
Castrol GTX Full Synthetic High Mileage 5W-30 Motor Oil, 5 Quart, Pack of 3
$79.99
14.7 quarts
Price as of Sep 29, 10:14 PM ET · Details
09
$5.44
per quart
23% below median
Castrol GTX Full Synthetic 5W-30 Motor Oil, 5 Quarts, Pack of 3
$79.99
14.7 quarts
Prime
Price as of Sep 29, 10:14 PM ET · Details
Loading more results…