36/100
2015Minicompact CarsPremium

2015 Porsche 911 Turbo S

EPA ID: 35175
17
City MPG
20
Combined MPG
20MPG· Average
24
Highway MPG

Fuel Economy Overview

The 2015 Porsche 911 Turbo S achieves an EPA-estimated 20 MPG in combined city and highway driving, with 17 MPG in the city and 24 MPG on the highway. Powered by a 3.8L 6-cylinder turbocharged engine paired with a automatic (am-s7), this minicompact cars features 4-Wheel Drive drive.

In terms of environmental impact, the 2015 911 Turbo S produces approximately 449 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 911 Turbo S has higher-than-average emissions in this regard.

The estimated annual fuel cost for this vehicle is $3,450, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $6,500 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 ClassMinicompact Cars
Fuel TypePremium
Engine3.8L 6-cyl
AspirationTurbocharged
TransmissionAutomatic (AM-S7)
Drive Type4-Wheel Drive

Green Scorecard

CO2 Emissions449 g/mi
Start-Stop SystemNot Equipped
GHG Score5/10
Smog RatingN/A
Est. Annual Cost$3,450
5-Year Cost DeltaSave $6,500

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
19.6
Impact vs EPA
+$58
/ 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
$669/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
$17,500
43.6%
Fuel & Electricity
Based on National Average rates ($3.50/gal)
$13,125
32.7%
Estimated Insurance
Based on vehicle class risk profile
$9,125
22.7%
State Registration Fees
Based on National Average DMV base rates
$400
1.0%
Total 5-Year Cost$40,150

Recall Intelligence

Campaign #14V698000·2014-12-12
critical
Component: LATCHES/LOCKS/LINKAGES:HOOD:LATCH

Porsche Cars North America, Inc. (Porsche) is recalling certain model year 2014-2015 Porsche 911, Boxster, and Cayman vehicles manufactured May 7, 2014, to September 23, 2014. The front hood upper lock components were not manufactured to specification and may fail to securely latch the vehicle's hood during operation.

Consequence & Remedy

Consequence: A failure of the hood latching mechanism may cause the hood to suddenly open during vehicle operation and will severely impede the driver's ability to see out the front windshield, increasing the risk of a vehicle crash.

Remedy: Porsche will notify owners, and dealers will replace the lock on the front hood, free of charge. The recall began December 12, 2014. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AE04.

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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 Porsche 911 Turbo S configurations.

View Model History

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Fuel Cost Analysis

Annual Fuel Cost$3,450
vs. Avg Vehicle (5 yrs)Save $6,500

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

Efficiency Breakdown

City17 MPG
Highway24 MPG
Combined20 MPG

Estimated Lifetime Carbon Footprint

(Based on 200,000 miles driven)

89.8 metric tons CO₂
Equivalent To:
🌳 111 tree seedlings grown for 10 yrs
✈️ 7.5 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.