2015 Motor Oil Samples Side-by-Side via Viscosity Grade

All brands of the same Viscosity Grade that were tested by PQIA in 2015

(Click on the images below for each Viscosity Grade Side-by-Side View)

SAE 30 Side-by-Side View of 9 Samples

SAE 0W-20 Side-by-Side View of 3 Samples

SAE 5W-20 Side-by-Side View of 7 Samples

SAE 5W-30 Side-by-Side View of 26 Samples

SAE 10W-30 Side-by-Side View of 19 Samples

SAE 10W-40 Side-by-Side View of 14 Samples

SAE 15W-40 Side-by-Side View of 22 Samples

CONSUMER ADVISORIES AND ALERTS

ADVISORIES, CONSUMER ALERTS, AND DON’T BUYS Consumer Alert A CONSUMER ALERT is issued by PQIA when the product tested has a significant

PASSENGER CAR MOTOR OIL

PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY/PASSENGER CAR MOTOR OIL Passenger car motor oil is the lifeblood of your engine. In addition to lubricating moving

HEAVY DUTY DIESEL ENGINE OIL

PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY/HEAVY DUTY DIESEL ENGINE OIL Heavy duty diesel engine oils are formulated to meet the

AUTOMATIC TRANSMISSION FLUID

PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY/AUTOMATIC TRANSMISSION FLUID Automatic Transmission Fluids are carefully balanced to

ANTIFREEZE & COOLANT

PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY FOR ANTIFREEZE & COOLANT Antifreeze/coolant is critical for protecting engines. The primary