Dodge 2015 Challenger - Owner Manual - Manual (Page 565)

Component Fluid, Lubricant, or Genuine Part
Engine Oil Filter We recommend you use MOPAR® Engine Oil Filters.
Spark Plugs We recommend you use MOPAR® Spark Plugs.
Fuel Selection – 3.6L Engine We recommend you use 87 Octane
Fuel Selection – 5.7L Engine
With Automatic Transmission
89 Octane recommended — 87 Octane acceptable
Fuel Selection – 5.7L Engine
With Manual Transmission
& 6.4L Engine
We recommend you use 91 Octane or higher.
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MAINTAINING YOUR VEHICLE 563