23 MPG combined isn’t going to win any hypermiling contests, but for the 2016 Porsche 911 Carrera 4 with its 3.4L flat-six engine and all-wheel drive, it’s an entirely justifiable tradeoff. This isn’t a car bought for maximizing fuel efficiency; it’s a car bought for a visceral driving experience, iconic styling, and the confidence of all-weather capability. Fuel consumption is a secondary consideration, though it’s worth understanding before signing on the dotted line.

City and highway performance

The EPA estimates this specific 911 configuration at 20 MPG in the city and 27 MPG on the highway. The urban figure reflects the stop-and-go nature of city driving, where the engine is constantly accelerating and decelerating. The car’s relatively light weight for an all-wheel-drive performance vehicle helps mitigate some of the fuel penalty in these conditions. The highway figure, meanwhile, showcases the benefits of the seven-speed PDK transmission, which allows the engine to cruise at lower RPMs for improved efficiency at higher speeds, though driving above legal speeds will always take a toll on fuel consumption.

Annual fuel cost

The EPA estimates that you’ll spend $2,500 per year on fuel if you drive the 2016 Porsche 911 Carrera 4 15,000 miles. This calculation is based on the EPA’s combined MPG rating and the national average fuel price at the time of testing. It’s a useful benchmark, but your actual fuel costs will vary depending on your driving habits, the type of fuel you use (premium is required), and local fuel prices. Aggressive driving will certainly push that annual cost higher, while more conservative driving may bring it down slightly. It’s worth budgeting for this expense, especially when factored into the overall cost of 911 ownership, from insurance to maintenance.

Real-world expectations

The EPA numbers provide a standardized comparison. Owners often report a slightly different experience. Many owners find that their combined MPG often hovers around the reported 23 MPG, but city figures can dip lower with spirited driving. Highway figures, conversely, can sometimes exceed the EPA estimate, particularly on long road trips at consistent speeds. Ultimately, your results will depend on how you drive, where you drive, and how consistently you maintain the vehicle. Consider all Porsche fuel economy data when making your own assessment.

How it compares

The 2016 911 Carrera 4’s fuel economy holds its own against its competitors but isn’t class-leading. For example, a comparable Audi R8 V10 from the same era, with its more powerful engine and all-wheel drive, lands closer to 16 MPG combined. The Mercedes-AMG GT achieves around 18 MPG combined, while offering similar performance. A BMW M4, which is rear-wheel drive, manages closer to 20 MPG combined, which is because the 911 has all-wheel-drive. Buyers drawn to the 911 are often willing to accept this compromise for its unique driving dynamics, iconic design, and the benefits of all-weather traction. See 911 MPG across all years for further comparisons of this model.

Tips to maximize efficiency

Use the Sport and Sport Plus modes carefully. These modes enhance throttle response and shift points for maximum performance, but they also significantly increase fuel consumption. Reserve them for those moments when you genuinely want to unleash the car’s full potential, and use the standard driving mode for everyday commuting.

Pay attention to tire pressure. Underinflated tires increase rolling resistance, which directly impacts fuel economy. Regularly check your tire pressure and ensure it matches the manufacturer’s recommended settings, which can be found on the driver’s side door jamb. This simple step can noticeably improve fuel efficiency.

Keep your car properly maintained. Regular oil changes, air filter replacements, and other maintenance tasks ensure that your engine is running efficiently. A well-maintained engine consumes less fuel and performs better overall, and always use the correct grade of motor oil as specified by Porsche.

Anticipate traffic flow and practice smooth driving techniques. Avoid abrupt acceleration and braking, as these actions waste fuel. Look ahead, anticipate changes in traffic, and maintain a consistent speed whenever possible. Mastering the art of smooth driving can yield surprisingly significant improvements in fuel economy.

Empty unnecessary weight from the vehicle. Carrying around extra weight in the trunk or passenger compartment reduces fuel efficiency. Remove any items you don’t need to carry on a regular basis. This will not only improve fuel economy, but also enhance the car’s handling and responsiveness.