2021 Porsche 718 Cayman T
Fuel Economy Overview
The 2021 Porsche 718 Cayman T achieves an EPA-estimated 23 MPG in combined city and highway driving, with 21 MPG in the city and 27 MPG on the highway. Powered by a 2L 4-cylinder turbocharged engine paired with a automatic (am-s7), this two seaters features Rear-Wheel Drive drive.
In terms of environmental impact, the 2021 718 Cayman T produces approximately 380 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this 718 Cayman T performs better than the national average in this regard.
The estimated annual fuel cost for this vehicle is $3,000, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $4,250 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.
Energy DNA
Green Scorecard
Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy
Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.
Aerodynamic Speed Penalty
EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.
5-Year Total Cost of Ownership
Recall Intelligence
Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Porsche Cayman GT4, Cayman GTS 4.0, 718 Spyder, and Boxster GTS 4.0 vehicles. The engine connecting rods may crack and loosen.
Consequence & Remedy
Consequence: A loose connection while driving may cause engine damage, a stall, or an oil leak, increasing the risk of a crash or fire.
Remedy: Porsche will notify owners, and dealers will replace the connecting rods or, as necessary, the engine, free of charge. Owner notification letters were mailed May 21, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMA4.
Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Porsche Taycan Turbo, Taycan Turbo S, Taycan, Taycan 4S, 911 Turbo S Coupe, Cayman, Cayman T, Cayman S, Cayman GT4, 911 Carrera Coupe, 911 Carrera S Coupe, 911 Carrera 4S Coupe, 911 Carrera 4S Targa, 911 Carrera Cabriolet, 911 Carrera S Cabriolet, 911 Carrera 4S Targa Heritage Design Edition, 911 Carrera 4S Cabriolet, 911 Turbo Coupe, 911 Turbo Cabriolet, 911 Turbo S Cabriolet, 718 Spyder, and Boxster vehicles. Certain suspension components may not have been tightened correctly and can loosen.
Consequence & Remedy
Consequence: Loose suspension components may detach, causing a sudden loss of vehicle stability and control, and increasing the risk of a crash.
Remedy: Dealers will replace the affected suspension nuts and bolts. Dealers will also inspect surrounding components for damage, and replace any damaged parts as necessary. Repairs will be performed free of charge. Owner notification letters were mailed May 7, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMA3.
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Looking for comprehensive historical data?
NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all Porsche 718 Cayman T configurations.
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Fuel Cost Analysis
Based on 15,000 miles/year and current fuel prices.
Efficiency Breakdown
Estimated Lifetime Carbon Footprint
(Based on 200,000 miles driven)