2023 Porsche 911 Turbo S CabrioletFuel Economy & MPG Ratings

Gasoline Minicompact CarsAll-Wheel Drive
2023 Porsche 911 Turbo S Cabriolet

Photo: OWS Photography. CC BY 4.0. via Wikimedia Commons

City
15
MPG
Highway
20
MPG
Combined
17
MPG

Trim Comparison

Automatic (AM-S8)
Premium
City
15
Hwy
20
Comb
17
Fuel cost: $4,800/yr
Annual Fuel Cost
$4,800

Based on gasoline at $3.67/gal, 15,000 miles/year

5-Year Fuel Savings
$-12,000

vs. average new vehicle

EPA Fuel Economy Score: 3/10
GHG Score: 3/10

Environment

CO₂ Tailpipe Emissions
528 g/mile
Annual Petroleum Consumption
17.5 barrels

Specifications

Engine
3.7L 6-cyl
Transmission
Automatic
Drivetrain
AWD
Body Style
Sedan
GVWR
Class 1 (≤6,000 lbs)

Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.

Engine & Efficiency Details

Source: EPA fueleconomy.gov

Engine Size
3.7L, 6-cylinder
Induction Type
Direct Injection
Efficiency Tech
Auto Start-Stop
Fuel Type
Premium Gasoline

Annual Fuel Cost by State

Prices as of week ending May 18, 2026 · Source: EIA

National AvgEPA default
$4.490/gal$3,962/yr
California
$5.957/gal$5,256/yr
Texas
$3.888/gal$3,431/yr
Florida
$4.136/gal$3,649/yr
New York
$4.522/gal$3,990/yr
Ohio
$4.510/gal$3,979/yr
Washington
$5.591/gal$4,933/yr
Colorado
$4.618/gal$4,075/yr
Minnesota
$4.344/gal$3,833/yr
Massachusetts
$4.448/gal$3,925/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 17 MPG combined. Regular gasoline prices. Actual costs vary.

NHTSA Safety Ratings

Source: NHTSA (nhtsa.gov)

Safety Equipment

Forward Collision Warning: StandardLane Departure Warning: Optional
2
Owner Complaints
7
Recalls
0
Investigations

Recall History

Source: NHTSA

No recalls reported for this vehicle.

Owner-Reported Problems2 complaints

Source: NHTSA

NHTSA has received 2 owner complaints for the 2023 Porsche 911 Turbo S Cabriolet. Top reported issues include engine, electrical system and fuel system. The data below is sourced from consumer complaints filed directly with NHTSA.

Problems by System / Component

Engine
1
Electrical System
1
Fuel System
1

2023 Porsche 911 Turbo S Cabriolet problems by category: Engine: 1 complaints, Electrical System: 1 complaints, Fuel System: 1 complaints.

Sample Owner Complaints

Other / UnknownFiled: 12/07/2025ODI#11703552
The center lock bolts to the wheels increase in tightness when driven even a short distance. All four of my bolts have consistently tightened to over 800 ft/lbs of torque after being installed at Pors…
Electrical SystemFiled: 10/20/2023ODI#11551052
Check engine lights, engine control module, erratic idle, P0089 check engine light code. Maybe unsafe to operate & stall?

Complaint data is sourced from the NHTSA Complaints Database. Reports are filed by vehicle owners and may not reflect confirmed defects. Last updated via NHTSA API.

Related

Porsche 911 Turbo S Cabriolet MPG History
See how this model's fuel economy changed by year

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