33/100
2015Midsize CarsPremium

2015 Cadillac CTS Sedan

EPA ID: 35126
16
City MPG
18
Combined MPG
18MPG· Below Avg
24
Highway MPG

Fuel Economy Overview

The 2015 Cadillac CTS Sedan achieves an EPA-estimated 18 MPG in combined city and highway driving, with 16 MPG in the city and 24 MPG on the highway. Powered by a 3.6L 6-cylinder turbocharged engine paired with a automatic (s8), this midsize cars features Rear-Wheel Drive drive.

In terms of environmental impact, the 2015 CTS Sedan produces approximately 480 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 CTS Sedan has higher-than-average emissions in this regard.

The estimated annual fuel cost for this vehicle is $3,850, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $8,500 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

Vehicle ClassMidsize Cars
Fuel TypePremium
Engine3.6L 6-cyl
AspirationTurbocharged
TransmissionAutomatic (S8)
Drive TypeRear-Wheel Drive

Green Scorecard

CO2 Emissions480 g/mi
Start-Stop SystemNot Equipped
GHG Score4/10
Smog RatingN/A
Est. Annual Cost$3,850
5-Year Cost DeltaSave $8,500

Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy

55% City45% Highway

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.

Your Real MPG
18.8
Impact vs EPA
$-128
/ year
💨

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.

5-Year Total Cost of Ownership

Estimated Monthly Cost
$804/mo
Includes estimated depreciation, fuel, insurance, and state fees over 5 years. Does not include loan interest.
15,000 mi
Value Depreciation
Est. value lost over 60 months
$22,400
46.5%
Fuel & Electricity
Based on National Average rates ($3.50/gal)
$14,583
30.2%
Estimated Insurance
Based on vehicle class risk profile
$10,840
22.5%
State Registration Fees
Based on National Average DMV base rates
$400
0.8%
Total 5-Year Cost$48,223

Recall Intelligence

Campaign #18V595000·2018-11-01
critical
Component: SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

General Motors LLC (GM) is recalling certain 2014-2016 Cadillac CTS vehicles, equipped with heated front seats. The flexible heating mats in the front seats may be damaged over time, resulting in the seat heaters producing excessive heat.

Consequence & Remedy

Consequence: In cold ambient temperatures, the seat heaters in these vehicles can turn on automatically when the vehicle is remotely started. If a damaged seat heater is turned on while no one is inside the vehicle, the damaged seat heater can overheat, increasing the risk of a fire.

Remedy: GM will notify owners, and dealers will recalibrate the body control module, disabling the automatic activation of the heated seat when the vehicle is remotely started, free of charge. The recall began November 1, 2018. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for the recall is 18286.

Campaign #15V358000·2015-07-06
critical
Component: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

General Motors LLC (GM) is recalling certain model year 2015 Cadillac ATS and CTS vehicles. The affected vehicles have a bracket between the brake pedal assembly and the rod that actuates the brakes that may fracture during normal brake pedal operation.

Consequence & Remedy

Consequence: If the bracket fractures, the driver would not be able to apply the brakes, increasing the risk of a crash.

Remedy: GM will notify owners, and dealers will inspect the vehicle and replace any affected bracket, free of charge. The recall began July 6, 2015. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 15352.

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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 CTS Sedan configurations.

View Model History

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Fuel Cost Analysis

Annual Fuel Cost$3,850
vs. Avg Vehicle (5 yrs)Save $8,500

Based on 15,000 miles/year and current fuel prices.

Efficiency Breakdown

City16 MPG
Highway24 MPG
Combined18 MPG

Estimated Lifetime Carbon Footprint

(Based on 200,000 miles driven)

96.0 metric tons CO₂
Equivalent To:
🌳 119 tree seedlings grown for 10 yrs
✈️ 8.0 cross-country flights/yr

Data Provenance

Data directly from the EPA National Vehicle and Fuel Emissions Laboratory. The combined rating is a weighted average (55% city, 45% highway). For official figures, visit fueleconomy.gov.