2023 Porsche 911 Carrera GTS CabrioletFuel Economy & MPG Ratings

Gasoline Minicompact CarsRear-Wheel Drive
2023 Porsche 911 Carrera GTS Cabriolet

Photo: Mathious Ier. CC0. via Wikimedia Commons

City
17
MPG
Highway
24
MPG
Combined
20
MPG

Trim Comparison

Manual 7-spd
Premium
City
17
Hwy
24
Comb
20
Fuel cost: $4,100/yr
Automatic (AM-S8)
Premium
City
17
Hwy
23
Comb
19
Fuel cost: $4,300/yr
Annual Fuel Cost
$4,100

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

5-Year Fuel Savings
$-8,500

vs. average new vehicle

EPA Fuel Economy Score: 4/10
GHG Score: 4/10

Environment

CO₂ Tailpipe Emissions
448 g/mile
Annual Petroleum Consumption
14.9 barrels

Specifications

Engine
3L 6-cyl
Transmission
Automatic
Drivetrain
RWD
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
3L, 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$3,368/yr
California
$5.957/gal$4,468/yr
Texas
$3.888/gal$2,916/yr
Florida
$4.136/gal$3,102/yr
New York
$4.522/gal$3,392/yr
Ohio
$4.510/gal$3,383/yr
Washington
$5.591/gal$4,193/yr
Colorado
$4.618/gal$3,464/yr
Minnesota
$4.344/gal$3,258/yr
Massachusetts
$4.448/gal$3,336/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 20 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 Carrera GTS Cabriolet. Top reported issues include electrical system, engine and fuel system. The data below is sourced from consumer complaints filed directly with NHTSA.

Problems by System / Component

Electrical System
1
Engine
1
Fuel System
1

2023 Porsche 911 Carrera GTS Cabriolet problems by category: Electrical System: 1 complaints, Engine: 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 Carrera GTS Cabriolet MPG History
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