40/100
2015Midsize CarsRegular

2015 Cadillac CTS Sedan

EPA ID: 35222
18
City MPG
22
Combined MPG
22MPG· Average
28
Highway MPG

Fuel Economy Overview

The 2015 Cadillac CTS Sedan achieves an EPA-estimated 22 MPG in combined city and highway driving, with 18 MPG in the city and 28 MPG on the highway. Powered by a 3.6L 6-cylinder 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 407 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 $2,700, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $2,750 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 TypeRegular
Engine3.6L 6-cyl
AspirationNaturally Aspirated
TransmissionAutomatic (S8)
Drive TypeRear-Wheel Drive

Green Scorecard

CO2 Emissions407 g/mi
Start-Stop SystemNot Equipped
GHG Score5/10
Smog RatingN/A
Est. Annual Cost$2,700
5-Year Cost DeltaSave $2,750

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
21.4
Impact vs EPA
+$62
/ 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
$760/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
49.2%
Fuel & Electricity
Based on National Average rates ($3.50/gal)
$11,932
26.2%
Estimated Insurance
Based on vehicle class risk profile
$10,840
23.8%
State Registration Fees
Based on National Average DMV base rates
$400
0.9%
Total 5-Year Cost$45,572

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$2,700
vs. Avg Vehicle (5 yrs)Save $2,750

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

Efficiency Breakdown

City18 MPG
Highway28 MPG
Combined22 MPG

Estimated Lifetime Carbon Footprint

(Based on 200,000 miles driven)

81.4 metric tons CO₂
Equivalent To:
🌳 101 tree seedlings grown for 10 yrs
✈️ 6.8 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.