Porsche · 2022
911 Carrera Cabriolet 3.0L 6-cyl
✓ EPA Verified
Premium Gasoline
Minicompact Cars
Rear-Wheel Drive
City
18
MPG
Combined
20
MPG
Highway
24
MPG
Annual Fuel Cost
$2,900
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$750
more per year
Class Comparison — Minicompact Cars
Bottom 26%
Better than 26 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 20 MPG
This vehicle
20 MPG
Class average
25 MPG
Class lowest
16 MPG
EPA Energy & Environment Scores
4
Energy Score
Out of 10
4
GHG Score
Out of 10
443 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine3.0L 6-cyl
TransmissionAutomatic (AM-S8)
DriveRear-Wheel Drive
Fuel TypePremium Gasoline
Vehicle ClassMinicompact Cars
Engine DescSIDI
Start-StopYes
EPA Vehicle ID44416

20 MPG combined is not a bragging point for the 2022 Porsche 911 Carrera Cabriolet 3.0L. This isn’t a vehicle bought for maximizing fuel efficiency, it’s an experience, a statement, and a visceral connection to the road. It’s a car for someone who wants open-air thrills and iconic design over saving money at the pump.

City and highway performance

The EPA estimates for the 2022 911 Carrera Cabriolet are 18 MPG in the city and 24 MPG on the highway. The city number reflects the stop-and-go of urban environments, where the turbocharged 3.0L flat-six works harder, and the eight-speed PDK automatic transmission shifts frequently. On the open road, the 24 MPG highway figure shows the potential for better economy when the engine settles into a more efficient cruising speed. Few 911 drivers are buying this car to hypermile on the interstate, the urge to use the available power is often too strong. These numbers, while factual, rarely dictate the purchasing decision for someone in the market for a 911 drop-top.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2022 Porsche 911 Carrera Cabriolet 3.0L at $2,900. This is calculated based on driving 15,000 miles per year, with a mix of city and highway driving, using the national average fuel price. This provides a standardized benchmark, but your actual fuel expenses will vary depending upon driving style, local fuel prices, and how much time you spend accelerating quickly. Before buying, you might consider looking at all Porsche fuel economy data to see where this model fits within the brand’s range.

Real-world expectations

While the EPA figures provide a baseline, real-world fuel economy in the 2022 911 Carrera Cabriolet will likely be lower for many owners. Driving hard, a common occurrence for this car, will significantly decrease fuel efficiency. Short trips around town, with the engine not fully warmed up, will also negatively impact MPG. Weather conditions can play a role, cooler temperatures can lead to slightly lower efficiency. The octane of the gasoline used can also affect the mileage; running premium fuel, as recommended, is essential for optimal performance, but it might slightly impact your wallet.

How it compares

The Porsche 911 exists in a rarefied space, and its direct competitors present a mix of performance, luxury, and open-air driving. The Chevrolet Corvette Stingray Convertible manages a respectable 19 MPG combined with its potent V8, placing it slightly behind the 911. A BMW Z4 M40i achieves around 25 MPG combined, delivering a more fuel-efficient experience, but with a different performance profile. An Audi R8 Spyder, with its V10 engine, will deliver considerably less MPG closer to the mid-teens. These differences matter less to the 911 buyer, who wants the unique Porsche experience and driving dynamics over saving fuel. You can compare the 911 MPG across all years to understand its fuel economy history.

Tips to maximize efficiency

While the Porsche 911 Carrera Cabriolet isn’t designed for maximum fuel efficiency, there are ways to improve your MPG without sacrificing the driving experience entirely. Try to anticipate traffic and maintain a steady speed whenever possible. Avoid aggressive acceleration and hard braking to minimize fuel consumption.

Ensure your tires are properly inflated. Underinflated tires increase rolling resistance, forcing the engine to work harder and burning more fuel. Check your tire pressure regularly and maintain the pressure recommended for optimal fuel economy.

Reduce unnecessary weight in the vehicle. Remove items from the trunk and passenger area that aren’t needed. The less weight the car carries, the less effort the engine has to exert and the better consumption will be.

Consider using the car’s driving modes carefully. Sport and Sport Plus modes prioritize performance over efficiency. Use the Normal or Eco mode for everyday driving when trying to save gas.

Pay attention to the vehicle’s maintenance schedule. Regular maintenance, including oil changes and air filter replacements, ensures the engine runs efficiently. A well-maintained engine consumes less fuel.