Which Car Has

Cadillac XTS

Transmission, start-stop, premium fuel and flex-fuel by model year, 2013–2019

TransmissionThe 2019 Cadillac XTS uses a 6-speed automatic in every configuration EPA tested.

Auto start-stopNo. EPA lists no auto start-stop on any 2019 Cadillac XTS configuration it tested.

Premium fuelEPA tested 1 of 3 2019 Cadillac XTS configurations on premium fuel and the rest on regular gasoline; your owner's manual or fuel-door label is the authority.

Flex-fuel (E85)No. EPA does not list any 2019 Cadillac XTS configuration as a flex-fuel vehicle (FFV).

2019 at a glance

3 configurations tested by EPA

CVTNone
0 of 3
No CVT
ManualNone
0 of 3
Not offered
Auto start-stopNone
0 of 3
Premium fuelSome
1 of 3
EPA test fuel
Flex-fuel (E85)None
0 of 3
No FFV versions

EPA lists no manual transmission for any Cadillac XTS from 2013–2019.

Cadillac XTS features by model year

Which Cadillac XTS model years have each feature. Each cell links to that year's configurations.
’13’14’15’16’17’18’19
CVT2013 CVT: None2014 CVT: None2015 CVT: None2016 CVT: None2017 CVT: None2018 CVT: None2019 CVT: None
Manual2013 Manual: None2014 Manual: None2015 Manual: None2016 Manual: None2017 Manual: None2018 Manual: None2019 Manual: None
Automated manual2013 Automated manual: None2014 Automated manual: None2015 Automated manual: None2016 Automated manual: None2017 Automated manual: None2018 Automated manual: None2019 Automated manual: None
Automatic2013 Automatic: All2014 Automatic: All2015 Automatic: All2016 Automatic: All2017 Automatic: All2018 Automatic: All2019 Automatic: All
Start-stop2013 Start-stop: None2014 Start-stop: None2015 Start-stop: None2016 Start-stop: None2017 Start-stop: None2018 Start-stop: None2019 Start-stop: None
Premium fuel2013 Premium fuel: None2014 Premium fuel: Some2015 Premium fuel: None2016 Premium fuel: Some2017 Premium fuel: None2018 Premium fuel: Some2019 Premium fuel: Some
Flex-fuel2013 Flex-fuel: None2014 Flex-fuel: None2015 Flex-fuel: None2016 Flex-fuel: None2017 Flex-fuel: None2018 Flex-fuel: None2019 Flex-fuel: None
All configurationsSome configurationsNoneNot reported by EPA

Configurations by year

2019 Cadillac XTS

3 configurations
EPA model nameEngineTransmissionDriveStart-stopEPA test fuelFlex-fuel
XTS3.6L 6-cyl6-speed automaticS6Front-WheelNoRegularNo
XTS AWD3.6L 6-cyl turbo6-speed automaticS6All-WheelNoPremiumNo
XTS AWD3.6L 6-cyl6-speed automaticS6All-WheelNoRegularNo

2018 Cadillac XTS

3 configurations
EPA model nameEngineTransmissionDriveStart-stopEPA test fuelFlex-fuel
XTS3.6L 6-cyl6-speed automaticS6Front-WheelNoRegularNo
XTS AWD3.6L 6-cyl turbo6-speed automaticS6All-WheelNoPremiumNo
XTS AWD3.6L 6-cyl6-speed automaticS6All-WheelNoRegularNo

2017 Cadillac XTS

3 configurations
EPA model nameEngineTransmissionDriveStart-stopEPA test fuelFlex-fuel
XTS3.6L 6-cyl6-speed automaticS6Front-WheelNoRegularNo
XTS AWD3.6L 6-cyl6-speed automaticS6All-WheelNoRegularNo
XTS AWD3.6L 6-cyl turbo6-speed automaticS6All-WheelNoRegularNo

2016 Cadillac XTS

3 configurations
EPA model nameEngineTransmissionDriveStart-stopEPA test fuelFlex-fuel
XTS3.6L 6-cyl6-speed automaticS6Front-WheelNoRegularNo
XTS AWD3.6L 6-cyl6-speed automaticS6All-WheelNoRegularNo
XTS AWD3.6L 6-cyl turbo6-speed automaticS6All-WheelNoPremiumNo

2015 Cadillac XTS

3 configurations
EPA model nameEngineTransmissionDriveStart-stopEPA test fuelFlex-fuel
XTS3.6L 6-cyl6-speed automaticS6Front-WheelNoRegularNo
XTS AWD3.6L 6-cyl turbo6-speed automaticS6All-WheelNoRegularNo
XTS AWD3.6L 6-cyl6-speed automaticS6All-WheelNoRegularNo

2014 Cadillac XTS

3 configurations
EPA model nameEngineTransmissionDriveStart-stopEPA test fuelFlex-fuel
XTS3.6L 6-cyl6-speed automaticS6Front-WheelNoRegularNo
XTS AWD3.6L 6-cyl6-speed automaticS6All-WheelNoRegularNo
XTS AWD3.6L 6-cyl turbo6-speed automaticS6All-WheelNoPremiumNo

2013 Cadillac XTS

2 configurations
EPA model nameEngineTransmissionDriveStart-stopEPA test fuelFlex-fuel
XTS3.6L 6-cyl6-speed automaticS6Front-WheelNoRegularNo
XTS AWD3.6L 6-cyl6-speed automaticS6All-WheelNoRegularNo

Check before you buy or refuel Confirm on the window sticker, owner's manual or with the dealer. Trims and options can differ from the configurations EPA tested.

About premium fuel EPA data shows the fuel a vehicle was tested on. It does not say whether premium is required or only recommended. Your owner's manual or fuel-door label is the authority.

Before using E85 Confirm the vehicle is a flex-fuel vehicle (FFV) in the owner's manual, or look for a yellow gas cap or an "FFV" badge. Not every version of a model is flex-fuel.

Source: U.S. EPA / Department of Energy vehicle data fromFuelEconomy.gov, data as of September 29, 2026.See how we classify vehicles.

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