† Based on industry standard Sequence IVA (wear) using SAE 5W-30.
* Based on industry standard Sequence VG and M-111 (sludge) using SAE 0W-40.
** Fuel economy measurements made using CAFE cycle under FTP75. Average of 550 extra miles based on mixed city/highway miles and US average of 15,366 miles driven per year with 4.1% better MPG vs dirty engine; source fhwa.dot.gov, 2011.
*** Based on industry standard ASTM D5800 (evaporation loss).