2018 Cadillac CT6 Plug-In
Fuel Economy Overview
The 2018 Cadillac CT6 Plug-In achieves an EPA-estimated 25 MPG in combined city and highway driving, with 23 MPG in the city and 29 MPG on the highway. Powered by a 2L 4-cylinder turbocharged engine paired with a automatic (variable gear ratios), this midsize cars features Rear-Wheel Drive drive.
In terms of environmental impact, the 2018 CT6 Plug-In produces approximately 144 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this CT6 Plug-In performs better than the national average in this regard.
The estimated annual fuel cost for this vehicle is $2,750, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would spend $1,500 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.
Energy DNA
Green Scorecard
Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy
Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.
Aerodynamic Speed Penalty
EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.
⚡ EV Climate Range Simulator
Extreme temperatures severely impact lithium-ion battery chemistry and require heavy HVAC usage. See how your range degrades in freezing winters or scorching summers.
EV / PHEV Intel
Range Anxiety Index: High Anxiety
Urban micro-mobility only. Do not attempt long distance travel.
5-Year Total Cost of Ownership
Recall Intelligence
General Motors LLC (GM) is recalling certain 2018-2019 Cadillac CT6, Escalade ESV, Chevrolet Suburban, Volt, and GMC Yukon XL vehicles. Certain second-row or third-row rear seatbelts retractor assemblies may not automatically lock when the seatbelt is fully pulled out of the retractor, possibly preventing a child seat from being properly secured. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
Consequence & Remedy
Consequence: If the child seat is not properly secured in the event of a crash, it can increase the risk of injury.
Remedy: GM will notify owners, and dealers will inspect the rear seatbelt retractors and replace them if necessary, free of charge. The recall began November 7, 2018. Owners may contact Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is 18315.
General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CT6 vehicles. The inboard child seat anchorage bars may have had excess structural adhesive applied during assembly, which can interfere with the installation of a child seat. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."
Consequence & Remedy
Consequence: If the child seat cannot be attached correctly to the anchorage bar, there is an increased the risk of injury.
Remedy: GM will notify owners, and dealers will inspect, remove any excess adhesive, and apply anti-corrosion primer to the inboard child seat anchorage bars, free of charge. The recall began August 3, 2018. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 18228.
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Looking for comprehensive historical data?
NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all Cadillac CT6 Plug-In configurations.
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2018 Ford Fusion FWD
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2018 Hyundai Elantra
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Fuel Cost Analysis
Based on 15,000 miles/year and current fuel prices.
Efficiency Breakdown
Estimated Lifetime Carbon Footprint
(Based on 200,000 miles driven)