2023 Porsche 718 Cayman GT4

4.0L 6-cyl · 6-speed manual · RWD

GasolinePremiumTwo Seaters

Official EPA record #45973 from FuelEconomy.gov · data 2026-07-26 · every assumption below is yours to edit. How this is computed

Per month

$257.51

Per year

$3,090

Per mile

25.8¢/mi

5-year total

$15,450

two-seater body style — not this exact model

Notes & official EPA estimate

623 gal of fuel / yeargasoline @ $4.96/galAt $5.96/gal: $309.43/mo

A mile road trip costs about $77.40 in energy.

Official FuelEconomy.gov estimate: $4,050/year — assumes 15,000 miles/year and EPA price assumptions. The figures above use your inputs instead.

Compare with another vehiclePrices: EPA national averages, Jul 24, 2026 — override anytime.

At 12,000 miles per year (55% city / 45% highway) with EPA national-average prices ($4.96/gal premium), this 2023 Porsche 718 Cayman GT4 costs about $257.51 per month in fuel — $3,090 per year, 25.8¢/mi, $15,450 over five years.Assumptions are editable below. Prices as of July 24, 2026 · EPA vehicle record #45973. EPA figures are laboratory estimates; real-world cost varies with driving conditions, weather, and where you buy energy.

Official EPA efficiency

Measure	Value
City MPG	17
Highway MPG	23
Combined MPG	19

Official EPA estimates

Estimate	Value
Official annual fuel cost (15,000 mi/yr)	$4,050/yr
Tailpipe CO₂	462 g/mi
EPA greenhouse gas score	4/10
EPA smog rating (Federal Tier 3 Bin 70)	5/10

Source: U.S. EPA / DOE FuelEconomy.gov, vehicle record #45973 (record updated 2024-02-21). Snapshot processed 2026-07-26; page data last changed 2024-02-21.

View this record on FuelEconomy.gov

Related configurations

Same year, same family

Adjacent model years