2023 Porsche 911 GT3 RSFuel Economy & MPG Ratings

Gasoline Two SeatersRear-Wheel Drive
City
14
MPG
Highway
18
MPG
Combined
16
MPG

Trim Comparison

Automatic (AM-S7)
Premium
City
14
Hwy
18
Comb
16
Fuel cost: $5,100/yr
Annual Fuel Cost
$5,100

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

5-Year Fuel Savings
$-13,500

vs. average new vehicle

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

Environment

CO₂ Tailpipe Emissions
570 g/mile
Annual Petroleum Consumption
18.6 barrels

Specifications

Engine
4L 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
4L, 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$4,209/yr
California
$5.957/gal$5,585/yr
Texas
$3.888/gal$3,645/yr
Florida
$4.136/gal$3,878/yr
New York
$4.522/gal$4,239/yr
Ohio
$4.510/gal$4,228/yr
Washington
$5.591/gal$5,242/yr
Colorado
$4.618/gal$4,329/yr
Minnesota
$4.344/gal$4,073/yr
Massachusetts
$4.448/gal$4,170/yr

Calculated at 15,000 miles/year (EPA standard assumption) using 16 MPG combined. Regular gasoline prices. Actual costs vary.

NHTSA Safety Ratings

Source: NHTSA (nhtsa.gov)

Safety Equipment

Forward Collision Warning: Standard
2
Owner Complaints
6
Recalls
0
Investigations

Recall History1

Source: NHTSA

Owner-Reported Problems2 complaints

Source: NHTSA

NHTSA has received 2 owner complaints for the 2023 Porsche 911 GT3 RS. 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 GT3 RS 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 GT3 RS MPG History
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