29/100
2015Midsize CarsPremium

2015 Cadillac CTS

EPA ID: 35100
14
City MPG
16
Combined MPG
16MPG· Below Avg
19
Highway MPG

Fuel Economy Overview

The 2015 Cadillac CTS achieves an EPA-estimated 16 MPG in combined city and highway driving, with 14 MPG in the city and 19 MPG on the highway. Powered by a 6.2L 8-cylinder engine paired with a manual 6-spd, this midsize cars features Rear-Wheel Drive drive.

In terms of environmental impact, the 2015 CTS produces approximately 561 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 has higher-than-average emissions in this regard.

The estimated annual fuel cost for this vehicle is $4,300, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $10,750 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 TypePremium
Engine6.2L 8-cyl
AspirationNaturally Aspirated
TransmissionManual 6-spd
Drive TypeRear-Wheel Drive

Green Scorecard

CO2 Emissions561 g/mi
Start-Stop SystemNot Equipped
GHG Score3/10
Smog RatingN/A
Est. Annual Cost$4,300
5-Year Cost DeltaSave $10,750

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
15.9
Impact vs EPA
+$25
/ 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
$834/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
44.8%
Fuel & Electricity
Based on National Average rates ($3.50/gal)
$16,406
32.8%
Estimated Insurance
Based on vehicle class risk profile
$10,840
21.7%
State Registration Fees
Based on National Average DMV base rates
$400
0.8%
Total 5-Year Cost$50,046

Recall Intelligence

Campaign #20V038000·2020-05-01
critical
Component: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

General Motors LLC (GM) is recalling certain 2014-2015 Cadillac CTS-V Sport vehicles equipped with 3.6L Twin Turbo V6 engines. The roll pins in the rear-axle differential may fracture.

Consequence & Remedy

Consequence: If the roll pins fracture while the vehicle is in motion, the rear wheels may lock up and the driver can lose control of the vehicle, increasing the risk of a crash.

Remedy: GM will notify owners, and dealers will repair or replace the rear axle differential, free of charge. The recall began May 1, 2020. Owners may contact Cadillac customer service at 1-800-333-4223. GM's number for this recall is N192279370.

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.

Loading live complaint data...

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 configurations.

View Model History

Similar 2015 Midsize Cars Alternatives

Fuel Cost Analysis

Annual Fuel Cost$4,300
vs. Avg Vehicle (5 yrs)Save $10,750

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

Efficiency Breakdown

City14 MPG
Highway19 MPG
Combined16 MPG

Estimated Lifetime Carbon Footprint

(Based on 200,000 miles driven)

112.2 metric tons CO₂
Equivalent To:
🌳 139 tree seedlings grown for 10 yrs
✈️ 9.3 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.