Product Tested

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Auto- Extra (Division of Uni-Select)

Company and Product Information

Corporate Office:
170 Industriel Blvd.
Boucherville QC J4B 2X3


Uni-Select is a leader in the Canadian distribution of automotive products and a leading independent automotive paint distributor in the United States with FinishMaster. Over 2,400 employees spread across 13 distribution centres and 189 corporate stores are dedicated to offering advanced solutions and first-rate service to customers in order for them to benefit from a positively superior experience. Uni-Select’s strong network and proficient programs contribute to the success of countless auto service shops and collision centres as well as more than 1,155 independent wholesalers in North America. Its Canadian banner programs made up of Auto Parts Plus®, Auto-Plus®, Bumper to Bumper®, Auto Select®, Uni-Pro®, SAX and Carrossier ProColor® regroup over 3,900 shops and stores.


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.

Auto Extra Motor Oil
SAE 15W-40

Product: Auto Extra
Viscosity Grade: SAE 15W-40
Labeling: CJ-4, CI-4 plus/SL

Manufactured for Uni-Select By Ashland Inc., Covington, KY

Purchased at: Valencia, PA

Date of purchase: 2/1/2015


Website(s): www.uniselect.com/eng/

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 Auto Extra
TBN, mg KOH/g (ASTM D2896) 9.5
Viscosity @ 100ºC, cSt (ASTM D445) 12.5 to 16.3 15.2
Viscosity @40ºC, cSt (ASTM D445) 113.7
Viscosity Index (ASTM D2270) 139.0
Viscosity @-20ºC mPa s (cP) (ASTM D5293) 7,000 Max 5858
Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800) 13 Max -c 11.9
ELEMENTAL ANALYSIS (click for test details) - a, b
Calcium 1213
Magnesium 851
Phosphorus, ppm 1,250 1157
Zinc, ppm 1267
Molybdenum,  ppm <1
Barium, ppm <1 
Boron, ppm 2
Silicon, ppm 4
Potassium, ppm <5
Manganese, ppm <1 
Titanium, ppm <1 
Copper, ppm <1 
Sodium, ppm 6
Vanadium, ppm <1 
Silver, ppm <1 
Aluminum, ppm <1 
Chromium, ppm <1 
Iron, ppm 2
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.