So I was looking at these two products. They seem to have an almost identical spec sheet on their respective sites. This made me beg to ask the question, is the XL formulation worth the additional cost over the OE? Here are the specs sheets provided on the amsoil website.
Code:
TYPICAL TECHNICAL PROPERTIES 5W-20
AMSOIL OE 5W-20 SYNTHETIC MOTOR OIL (OEM)
Kinematic Viscosity @ 100°C, cSt (ASTM D-445) 8.7
Kinematic Viscosity @ 40°C, cSt (ASTM D-445) 50.7
Viscosity Index (ASTM D-2270) 150
CCS Viscosity, cP @ (°C) (ASTM D-5293) 5420 (-30)
Flash Point °C (°F) (ASTM D-92) 226 (439)
Fire Point °C (°F) (ASTM D-92) 242 (468)
Pour Point °C (°F) (ASTM D-97) -43 (-45)
Noack Volatility, % weight loss (g/100g) (ASTM D-5800) 10
High Temperature/High Shear Viscosity 2.8
@ 150°C and 1.0 X 106 s-1, cP (ASTM D-5481)
Four Ball Wear Test @ 40 kgf, 75°C, 0.45
1200 rpm, 1 hour, scar diameter, mm (ASTM D-4172)
Total Base Number (ASTM D-2896) 7.9
TYPICAL TECHNICAL PROPERTIES 5W-20
AMSOIL XL 5W-20 SYNTHETIC MOTOR OIL (XLM)
Kinematic Viscosity @ 100°C, cSt (ASTM D445) 8.8
Kinematic Viscosity @ 40°C, cSt (ASTM D445) 51.3
Viscosity Index (ASTM D2270) 151
CCS Viscosity, cP @ (°C) (ASTM D5293 5537 (-30)
Flash Point °C (°F) (ASTM D92) 226 (439)
Fire Point °C (°F) (ASTM D92) 242 (467)
Pour Point °C (°F) (ASTM D97) -43 (-45)
Noack Volatility, % weight loss (g/100g) (ASTM D5800) 9.9
High Temperature/High Shear Viscosity 2.8
@ 150°C and 1.0 X 106 s-1, cP (ASTM D5481)
Four Ball Wear Test @ 40 kgf, 75°C, 0.44
1200 rpm, 1 hour, scar diameter, mm (ASTM D4172)
Total Base Number (ASTM D2896) 9
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TYPICAL TECHNICAL PROPERTIES 5W-20
AMSOIL OE 5W-20 SYNTHETIC MOTOR OIL (OEM)
Kinematic Viscosity @ 100°C, cSt (ASTM D-445) 8.7
Kinematic Viscosity @ 40°C, cSt (ASTM D-445) 50.7
Viscosity Index (ASTM D-2270) 150
CCS Viscosity, cP @ (°C) (ASTM D-5293) 5420 (-30)
Flash Point °C (°F) (ASTM D-92) 226 (439)
Fire Point °C (°F) (ASTM D-92) 242 (468)
Pour Point °C (°F) (ASTM D-97) -43 (-45)
Noack Volatility, % weight loss (g/100g) (ASTM D-5800) 10
High Temperature/High Shear Viscosity 2.8
@ 150°C and 1.0 X 106 s-1, cP (ASTM D-5481)
Four Ball Wear Test @ 40 kgf, 75°C, 0.45
1200 rpm, 1 hour, scar diameter, mm (ASTM D-4172)
Total Base Number (ASTM D-2896) 7.9
TYPICAL TECHNICAL PROPERTIES 5W-20
AMSOIL XL 5W-20 SYNTHETIC MOTOR OIL (XLM)
Kinematic Viscosity @ 100°C, cSt (ASTM D445) 8.8
Kinematic Viscosity @ 40°C, cSt (ASTM D445) 51.3
Viscosity Index (ASTM D2270) 151
CCS Viscosity, cP @ (°C) (ASTM D5293 5537 (-30)
Flash Point °C (°F) (ASTM D92) 226 (439)
Fire Point °C (°F) (ASTM D92) 242 (467)
Pour Point °C (°F) (ASTM D97) -43 (-45)
Noack Volatility, % weight loss (g/100g) (ASTM D5800) 9.9
High Temperature/High Shear Viscosity 2.8
@ 150°C and 1.0 X 106 s-1, cP (ASTM D5481)
Four Ball Wear Test @ 40 kgf, 75°C, 0.44
1200 rpm, 1 hour, scar diameter, mm (ASTM D4172)
Total Base Number (ASTM D2896) 9