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Combined MPG
16–25 MPG
55% city / 45% highway weighted
City Driving Rating
13–22 MPG
Stop-and-go urban cycle
Highway Driving Rating
20–30 MPG
Sustained open-highway test
Annual Fuel Cost
$3,050–4,750
EPA estimate @ 15,000 miles/yr
Laboratory Fuel Economy Certification

Executive Efficiency Findings

The 2018 Porsche 911 delivers an EPA-certified 16–25 MPG combined across 51 configurations. Estimated annual fuel costs range from $3,050 to $4,750.

EPA Testing Standards: Ratings derived from official dynamometer laboratory tests under 40 CFR Part 600. Real-world fuel economy varies based on driving style, ambient temperature, cargo payload, and terrain.
Certified Powertrain Attributes
  • • Certified Configurations: 51 trim and powertrain permutation(s).
  • • Combined Rating Range: 16–25 MPG.
  • • PHEV Electric Range: Up to 14 miles (49 MPGe).
  • • Annual Energy Cost: $3,050–4,750 (15k mi/yr).
Electrification Analysis

2018 Porsche 911 Powertrain & Efficiency Comparison

Factual efficiency differences across gasoline, hybrid, plug-in hybrid, and electric variants

GASOLINE 48 TRIMS

Standard Gasoline

16–25 MPG

Annual Fuel Cost: $3,050–$4,750.

EPA Certified
PLUG-IN 3 TRIMS

Plug-In Hybrid (PHEV)

14 mi EV • 49 MPGe

Gasoline Combined: 21 MPG • Annual Cost: $3,600.

Dual Fuel / Battery
Certified Ratings Matrix

Official EPA Fuel Economy Ratings by Configuration (51)

Laboratory certification test values across engine, transmission, and drivetrain permutations

Configuration / Model Powertrain Drivetrain Transmission City Highway Combined EV Range Annual Fuel Cost CO2 (g/mi)
911 Carrera Premium 3L 6-Cyl Gas Rear-Wheel Drive Automatic (AM-S7) 22 MPG 30 MPG 25 MPG — $3,050 —
911 Carrera Cabriolet Premium 3L 6-Cyl Gas Rear-Wheel Drive Automatic (AM-S7) 22 MPG 28 MPG 24 MPG — $3,150 —
911 Carrera S Premium 3L 6-Cyl Gas Rear-Wheel Drive Automatic (AM-S7) 22 MPG 28 MPG 24 MPG — $3,150 —
911 Carrera S Cabriolet Premium 3L 6-Cyl Gas Rear-Wheel Drive Automatic (AM-S7) 22 MPG 28 MPG 24 MPG — $3,150 —
911 Carrera 4 Premium 3L 6-Cyl Gas 4-Wheel Drive Automatic (AM-S7) 22 MPG 28 MPG 24 MPG — $3,150 —
911 Carrera 4 Cabriolet Premium 3L 6-Cyl Gas 4-Wheel Drive Automatic (AM-S7) 21 MPG 28 MPG 24 MPG — $3,150 —
911 Carrera 4S Premium 3L 6-Cyl Gas 4-Wheel Drive Automatic (AM-S7) 21 MPG 28 MPG 24 MPG — $3,150 —
911 Carrera 4S Cabriolet Premium 3L 6-Cyl Gas 4-Wheel Drive Automatic (AM-S7) 21 MPG 28 MPG 24 MPG — $3,150 —
911 Targa 4 Premium 3L 6-Cyl Gas 4-Wheel Drive Automatic (AM-S7) 22 MPG 28 MPG 24 MPG — $3,150 —
911 Targa 4S Premium 3L 6-Cyl Gas 4-Wheel Drive Automatic (AM-S7) 21 MPG 27 MPG 24 MPG — $3,150 —
911 Carrera Premium 3L 6-Cyl Gas Rear-Wheel Drive Manual 7-spd 20 MPG 29 MPG 23 MPG — $3,300 —
911 Carrera Cabriolet Premium 3L 6-Cyl Gas Rear-Wheel Drive Manual 7-spd 20 MPG 29 MPG 23 MPG — $3,300 —
911 Carrera S Premium 3L 6-Cyl Gas Rear-Wheel Drive Manual 7-spd 20 MPG 29 MPG 23 MPG — $3,300 —
911 Carrera S Cabriolet Premium 3L 6-Cyl Gas Rear-Wheel Drive Manual 7-spd 20 MPG 28 MPG 23 MPG — $3,300 —
911 Carrera 4 Premium 3L 6-Cyl Gas 4-Wheel Drive Manual 7-spd 20 MPG 28 MPG 23 MPG — $3,300 —
911 Carrera 4S Premium 3L 6-Cyl Gas 4-Wheel Drive Manual 7-spd 20 MPG 28 MPG 23 MPG — $3,300 —
911 Carrera GTS Premium 3L 6-Cyl Gas Rear-Wheel Drive Automatic (AM-S7) 20 MPG 26 MPG 23 MPG — $3,300 —
911 Targa 4S Premium 3L 6-Cyl Gas 4-Wheel Drive Manual 7-spd 19 MPG 28 MPG 22 MPG — $3,450 —
911 Carrera GTS Cabriolet Premium 3L 6-Cyl Gas Rear-Wheel Drive Automatic (AM-S7) 20 MPG 26 MPG 22 MPG — $3,450 —
911 Carrera 4 GTS Premium 3L 6-Cyl Gas 4-Wheel Drive Automatic (AM-S7) 20 MPG 26 MPG 22 MPG — $3,450 —
911 Carrera 4 GTS Cabriolet Premium 3L 6-Cyl Gas 4-Wheel Drive Automatic (AM-S7) 20 MPG 25 MPG 22 MPG — $3,450 —
911 Carrera 4 Cabriolet Premium 3L 6-Cyl Gas 4-Wheel Drive Manual 7-spd 19 MPG 28 MPG 22 MPG — $3,450 —
911 Carrera 4S Cabriolet Premium 3L 6-Cyl Gas 4-Wheel Drive Manual 7-spd 19 MPG 28 MPG 22 MPG — $3,450 —
911 Targa 4 Premium 3L 6-Cyl Gas 4-Wheel Drive Manual 7-spd 19 MPG 28 MPG 22 MPG — $3,450 —
911 Targa 4 GTS Premium 3L 6-Cyl Gas 4-Wheel Drive Automatic (AM-S7) 20 MPG 26 MPG 22 MPG — $3,450 —
911 Carrera T Premium 3L 6-Cyl Gas Rear-Wheel Drive Automatic (AM-S7) 20 MPG 26 MPG 22 MPG — $3,450 —
911 Carrera GTS Premium 3L 6-Cyl Gas Rear-Wheel Drive Manual 7-spd 18 MPG 26 MPG 21 MPG — $3,600 —
911 Carrera GTS Cabriolet Premium 3L 6-Cyl Gas Rear-Wheel Drive Manual 7-spd 18 MPG 26 MPG 21 MPG — $3,600 —
911 Carrera 4 GTS Premium 3L 6-Cyl Gas 4-Wheel Drive Manual 7-spd 18 MPG 26 MPG 21 MPG — $3,600 —
911 Carrera 4 GTS Cabriolet Premium 3L 6-Cyl Gas 4-Wheel Drive Manual 7-spd 18 MPG 26 MPG 21 MPG — $3,600 —
911 Targa 4 GTS Premium 3L 6-Cyl Gas 4-Wheel Drive Manual 7-spd 18 MPG 26 MPG 21 MPG — $3,600 —
911 Turbo Premium 3.8L 6-Cyl Gas All-Wheel Drive Automatic (AM-S7) 19 MPG 24 MPG 21 MPG — $3,600 —
911 Turbo Cabriolet Premium 3.8L 6-Cyl Gas All-Wheel Drive Automatic (AM-S7) 19 MPG 24 MPG 21 MPG — $3,600 —
911 Turbo S Premium 3.8L 6-Cyl Gas All-Wheel Drive Automatic (AM-S7) 19 MPG 24 MPG 21 MPG — $3,600 —
911 Turbo S Cabriolet Premium 3.8L 6-Cyl Gas All-Wheel Drive Automatic (AM-S7) 19 MPG 24 MPG 21 MPG — $3,600 —
Panamera Turbo Premium 4L 8-Cyl Gas All-Wheel Drive Automatic (AM-S8) 18 MPG 25 MPG 21 MPG — $3,600 —
Panamera Turbo Executive Premium 4L 8-Cyl Gas All-Wheel Drive Automatic (AM-S8) 18 MPG 25 MPG 21 MPG — $3,600 —
Panamera Turbo S e-Hybrid Premium Gas or Electricity 4L Plug-in Hybrid All-Wheel Drive Automatic (AM-S8) 48 MPGe (19 MPG) 51 MPGe (23 MPG) 49 MPGe (21 MPG) 14 mi $3,600 —
Panamera Turbo S e-Hybrid Executive Premium Gas or Electricity 4L Plug-in Hybrid All-Wheel Drive Automatic (AM-S8) 48 MPGe (19 MPG) 51 MPGe (23 MPG) 49 MPGe (21 MPG) 14 mi $3,600 —
Panamera Turbo S e-Hybrid ST Premium Gas or Electricity 4L Plug-in Hybrid All-Wheel Drive Automatic (AM-S8) 48 MPGe (19 MPG) 51 MPGe (23 MPG) 49 MPGe (21 MPG) 14 mi $3,600 —
Panamera Turbo ST Premium 4L 8-Cyl Gas All-Wheel Drive Automatic (AM-S8) 18 MPG 23 MPG 20 MPG — $3,800 —
911 Turbo S Exclusive Premium 3.8L 6-Cyl Gas All-Wheel Drive Automatic (AM-S7) 17 MPG 23 MPG 19 MPG — $4,000 —
Macan Turbo Premium 3.6L 6-Cyl Gas All-Wheel Drive Automatic (AM-S7) 17 MPG 23 MPG 19 MPG — $4,000 —
911 Carrera T Premium 3L 6-Cyl Gas Rear-Wheel Drive Manual 7-spd 16 MPG 25 MPG 19 MPG — $4,000 —
Macan Turbo Kit Premium 3.6L 6-Cyl Gas All-Wheel Drive Automatic (AM-S7) 17 MPG 23 MPG 19 MPG — $4,000 —
911 GT3 Premium 4L 6-Cyl Gas Rear-Wheel Drive Automatic (AM-S7) 15 MPG 20 MPG 17 MPG — $4,450 —
Cayenne Turbo Premium 4.8L 8-Cyl Gas All-Wheel Drive Automatic (S8) 14 MPG 21 MPG 17 MPG — $4,450 —
Cayenne Turbo S Premium 4.8L 8-Cyl Gas All-Wheel Drive Automatic (S8) 14 MPG 21 MPG 17 MPG — $4,450 —
911 GT2 RS Premium 3.8L 6-Cyl Gas Rear-Wheel Drive Automatic (AM-S7) 15 MPG 21 MPG 17 MPG — $4,450 —
911 GT3 Touring Premium 4L 6-Cyl Gas Rear-Wheel Drive Manual 6-spd 14 MPG 21 MPG 17 MPG — $4,450 —
911 GT3 Premium 4L 6-Cyl Gas Rear-Wheel Drive Manual 6-spd 13 MPG 21 MPG 16 MPG — $4,750 —
Operating Cost Economics

Standardized Energy Cost & Consumption Benchmarks

Standardized annual energy consumption and operating cost metrics based on 15,000 annual miles

ENERGY UNIT 25 MI

Fuel Cost per 25 Miles

$3.50–$5.47

Based on $3.50 per gallon regular gasoline

ANNUAL TOTAL 15K MI

Annual Fuel Consumption

600–938 Gal

Estimated annual energy units needed for 15,000 miles

5-YEAR VALUE SAVINGS

5-Year Fuel Cost vs Avg Vehicle

EPA Benchmark

Compared to the average new vehicle over 5 years

Related Workstations

Related Official Reports for 2018 Porsche 911

Cross-reference safety ratings, owner defect complaints, and recall campaigns

← 2018 Porsche 911 Overview

Vehicle summary, specifications, and primary KPI metrics.

2018 Porsche 911 Safety Ratings →

NHTSA 5-Star NCAP crash tests, rollover risk, and active driver assistance.

2018 Porsche 911 Owner Complaints (2) →

NHTSA consumer defect complaint filings by affected component.

2018 Porsche 911 Safety Recalls (2) →

Official safety recall notices, defects, and free repair instructions.
Search Intelligence

Quick Answers: EPA Fuel Economy, Electric Range & Energy Costs for the 2018 Porsche 911

Direct, deterministic answers synthesized from verified United States government databases for the 2018 Porsche 911

What gas mileage (MPG) does the 2018 Porsche 911 get?

The 2018 Porsche 911 achieves an EPA-certified rating of 16 to 25 MPG combined across 51 certified configuration(s).

City ratings range from 13 to 25 MPG, and highway ratings range from 16 to 30 MPG.

Source: EPA FuelEconomy.gov (40 CFR Part 600)

What is the plug-in hybrid electric range of the 2018 Porsche 911?

The 2018 Porsche 911 plug-in hybrid (PHEV) delivers up to 14 miles of all-electric driving range before transitioning to hybrid gasoline operation.

In electric mode, efficiency is rated at 21 MPGe, switching to 0 MPG combined on gasoline.

Source: EPA FuelEconomy.gov Certified Ratings

What is the estimated annual fuel or energy cost for the 2018 Porsche 911?

Using AutoUtility's standardized operating cost model, estimated annual fueling and energy costs range between $3,050 and $4,750 for the 2018 Porsche 911.

Calculated under AutoUtility's standardized methodology (15,000 miles per year, 55% city / 45% highway driving, $3.50/gallon regular gasoline, $0.16/kWh electricity) using official EPA dynamometer consumption ratings.

Source: AutoUtility Operating Cost Model (EPA-Certified Baseline)
Official US Government Data Provenance

Fuel economy ratings, electric range figures, and energy cost estimates on this page are retrieved directly from the United States Environmental Protection Agency (EPA) and U.S. Department of Energy (FuelEconomy.gov) certified vehicle database under 40 CFR Part 600.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.