Here's the UOA on our Volt after 23,662 miles, and 20 months. During that time we estimate that we burned approximately 112 gallons of fuel. All but a handful of times did the engine oil get up to operating temperature due to the nature of the Volt programming and how we use it. I would define it as the poster child for severe service due to the very short trip nature. The OLM read 75%.
Cheers!
OIL AC Delco Dexos 1
MILES IN USE 23,662 miles/112 gallons
MILES 23,662
SAMPLE TAKEN 1/29/2014 - 20 months
ALUMINUM 7
CHROMIUM 0
IRON 28
COPPER 87
LEAD 1
TIN 3
CADMIUM 0
VANADIUM 0
MOLYBDENUM 67
ANTIMONY 0
NICKEL 3
MANGANESE 6
SILVER 0
TITANIUM 0
POTASSIUM 4
BORON 52
SILICON 39
SODIUM 8
CALCIUM 1003
MAGNESIUM 698
LITHIUM 0
PHOSPHORUS 668
ZINC 742
BARIUM 4
WATER 0.0
SUS @ 212ºF 53.0
cSt @ 100ºC 8.2
Flashpoint ºF 320
Fuel % 2.3
Antifreeze 0.0
Insolubles 0.2
TBN 3.8
Cheers!
OIL AC Delco Dexos 1
MILES IN USE 23,662 miles/112 gallons
MILES 23,662
SAMPLE TAKEN 1/29/2014 - 20 months
ALUMINUM 7
CHROMIUM 0
IRON 28
COPPER 87
LEAD 1
TIN 3
CADMIUM 0
VANADIUM 0
MOLYBDENUM 67
ANTIMONY 0
NICKEL 3
MANGANESE 6
SILVER 0
TITANIUM 0
POTASSIUM 4
BORON 52
SILICON 39
SODIUM 8
CALCIUM 1003
MAGNESIUM 698
LITHIUM 0
PHOSPHORUS 668
ZINC 742
BARIUM 4
WATER 0.0
SUS @ 212ºF 53.0
cSt @ 100ºC 8.2
Flashpoint ºF 320
Fuel % 2.3
Antifreeze 0.0
Insolubles 0.2
TBN 3.8