Product Tested

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Advanced Auto Parts

Company and Product Information

Corporate Office:
Advanced Auto Parts
CQ Sourcing, Inc.
4721 Hargrove Road
Raleigh, NC 27616

Website(s): www.carquest.com

Headquartered in Roanoke, Va., Advance Auto Parts, Inc., the largest automotive aftermarket parts provider in North America, serves both the professional installer and do-it-yourself customers. As of January 3, 2015 Advance operated 5,261 stores, 111 Worldpac branches, and served approximately 1,328 independently-owned Carquest branded stores in 49 states, Puerto Rico, the Virgin Islands and Canada. Advance employs approximately 73,000 Team Members.


The Petroleum Quality Institute of America (PQIA) is an independent resource for information and insights on the quality of lubricants in the marketplace. Our mission is to serve the consumer of lubricants by randomly sampling and independently testing lubricants taken from the field. Test results are posted along with the brand names on the PQIA website. This webpage provides an analysis on the brand detailed below.

The following are the test results for the sample examined.

SAE10W-30 Motor Oil

Product: CarQuest
Viscosity Grade: SAE 10W-30
Labeling: API SN/ILSAC GF-5

Distributed By: Advance Auto Parts for CQ Sourcing, Inc., Raleigh, NC

Purchased at: Hugoton, KS

Date of purchase: 4/13/2016


Website(s): www.carquest.com

Test Results and Assessment:

The results of the tests conducted on this sample meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories.

bottle icon Physical Properties pass
Elemental Analysis pass
Labeling warning

Note: Although laboratory tests alone cannot be used to establish if engine oil meets an API Service Category, they can be used to determine if it doesn't.

PHYSICAL TESTS (click for test details) - a Standard CarQuest
TBN, mg KOH/g (ASTM D2896) 6.59
Viscosity @ 100ºC, cSt (ASTM D445) 9.3 to <12.5 11.02
Viscosity @40ºC, cSt (ASTM D445) 72.55
Viscosity Index (ASTM D2270) 141
Viscosity @-25ºC mPa s (cP) (ASTM D5293) 7,000 Max 5,636
Volatility, mass % loss, 1 hr, @ 250ยบC (ASTM D5800) 15 Max -c 13.4
ELEMENTAL ANALYSIS (click for test details) - a, b
Calcium 1,559
Magnesium 6
Phosphorus, ppm 600 to 800 708
Zinc, ppm 760
Molybdenum,  ppm <1
Barium, ppm <1
Boron, ppm 4
Silicon, ppm 3
Potassium, ppm <5
Manganese, ppm <1
Titanium, ppm <1
Copper, ppm <1
Sodium, ppm 430
Vanadium, ppm <1
Silver, ppm <1
Aluminum, ppm <1
Chromium, ppm <1
Iron, ppm <1
Nickel, ppm <1
Lead, ppm <1
Antimony, ppm <1
Tin, ppm <1
  1. Standards, shown in yellow are established by API, SAE and others.
  2. Test Method for metal analysis is ASTM D5185.
  3. This specification is expressed to two significant figures, therefore results up to 15.5 are considered on specification.