23 MPG combined in the 2020 Porsche Cayman T 2.0L isn’t going to win any hypermiling awards, but it’s perfectly acceptable for a focused sports car engineered to deliver driving thrills. Nobody buys a Cayman expecting Prius-like frugality. This is a car for enthusiasts who prioritize driving feel, a communicative chassis, and the Porsche badge. Fuel economy is a secondary consideration for the Cayman T’s target demographic.

City and highway performance

The EPA estimates 21 MPG in the city and 27 MPG on the highway for the Cayman T equipped with the 7-speed dual-clutch automatic transmission (PDK). These numbers reflect the car’s characteristics. The lower city MPG results from stop-and-go traffic, frequent acceleration, and the engine’s limited efficient operating zone at lower speeds. The highway MPG, while better, isn’t stellar. This is because of the car’s sporty gearing and the expectation that drivers will exploit the engine’s power for passing and maintaining higher cruising speeds. After all, the Cayman T begs to be driven hard, and a light foot is difficult to maintain.

Annual fuel cost

The EPA estimates an annual fuel cost of $2,500 for the 2020 Porsche Cayman T 2.0L. This figure is based on driving 15,000 miles per year and using the national average fuel price at the time of calculation. Individual fuel costs will vary depending on driving habits, local fuel prices, and actual miles driven. However, $2,500 provides a benchmark for potential owners to factor into their budget. If you’re cross-shopping the Cayman against more fuel-efficient vehicles, this figure offers a cost comparison.

Real-world expectations

EPA estimates are a good starting point, but real-world fuel economy often differs. Aggressive driving, frequent track days, and extended periods spent in Sport or Sport Plus mode will lower the average MPG. Conversely, a driver who prioritizes smooth acceleration, anticipates traffic flow, and makes use of the car’s coasting function might see figures closer to, or even slightly exceeding, the EPA estimates. Expect variation, and understand that the way you drive your Cayman T will directly affect fuel consumption.

How it compares

Compared to other performance coupes, the Cayman T’s fuel economy is in a reasonable middle ground. The BMW M2 Competition offers more power and typically achieves around 20 MPG combined. The Nissan Z, with its larger V6 engine, delivers a similar 22 MPG combined. A Subaru BRZ, with its less powerful engine and focus on lightness, can achieve around 25 MPG combined, but delivers a very different driving experience. The Cayman T strikes a balance for buyers who want a focused sports car without completely sacrificing fuel efficiency.

Tips to maximize efficiency

Optimize your tire pressures. Maintaining the correct tire pressure, as indicated on the door jamb sticker, reduces rolling resistance and improves fuel efficiency. Regularly check and adjust your tire pressures, especially during temperature changes.

Anticipate traffic and drive smoothly. Avoid abrupt acceleration and braking, which consume excess fuel. Look ahead, maintain a consistent speed, and allow the car to coast whenever possible. The Cayman’s PDK transmission selects the optimal gear for efficiency when left in automatic mode.

Limit idling. Excessive idling burns fuel. If you’re stopped for more than a minute or two, consider turning off the engine. The Cayman T’s quick-start system makes restarting the engine effortless.

Use the appropriate driving mode. Sport and Sport Plus modes enhance throttle response and sharpen the driving experience, but they also increase fuel consumption. When cruising or commuting, select a more efficient driving mode, such as Normal or Individual with optimized efficiency settings. This can affect the CAYMAN MPG across all years.