pctek
Well-Known Member
- Joined
- Sep 6, 2014
- Threads
- 126
- Messages
- 560
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- Location
- Northern California
- First Name
- Steve
- Vehicle(s)
- 2015 GT Premium DIB 401A
- Thread starter
- #1
I have a 2015 GT. It sees mostly city miles. When I first purchased it, it was getting 13.9 MPG. Then, last year for a short time it bumped up to 14.2 MPG. Now it's down to 12.8 MPG. Driving pattern hasn't changed.
I've noticed that it gets 14.5 to 15 MPG for the week after an oil change. Oil changes have been done at the dealer and they use a blend of Synthetic and standard oil.
Do any of you have a preferred oil that you use on your S550 that gets better city millage?
Thank you
I've noticed that it gets 14.5 to 15 MPG for the week after an oil change. Oil changes have been done at the dealer and they use a blend of Synthetic and standard oil.
Do any of you have a preferred oil that you use on your S550 that gets better city millage?
Thank you
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