The Real Cost

2023 Mercedes-Benz GLC300

2.0L I4 Premium AWD · 17.4 gal tank · 22 MPG · manufacturer spec

$63–$74

typical fill → full tank · 17.4 gal

At $4.23/gal, this tank gets you about 383 miles.

Source: EIA · Updated November 2, 2026

12-week state trend · padd proxy

+$0.17 over 12 wk

Local context

Philadelphia runs at $4.23/gal this week — about 1.9% above the U.S. average of $4.15. At this price the 2023 Mercedes-Benz GLC300's 22 MPG returns roughly 5.2 miles per dollar (45.5 gallons per 1,000 miles).

At a typical 12,000 miles a year — the U.S. driving average — a Philadelphia driver spends about $2,308 on gas in this car (use the calculator for your own mileage). For the same car, $3,135 in California (priciest reporting state at $5.75/gal) vs. $1,952 in Texas ($3.58/gal). $1,184 swing.

By the numbers

Fill cost

$63–$74

typical → full · 383 mi/tank

Per gallon

$4.23

EIA Central Atlantic weekly

Monthly · 12k mi/yr

$192.36

45.5 gal

Annual · 12k mi/yr

$2308

545 gal

The math

Why it costs what it costs.

  • Fill cost = 17.4 gal × $4.23/gal = $73.64
  • Miles per tank = 17.4 × 22 = 383
  • Annual @ 12,000 mi (typical) = 12,000 ÷ 22 × $4.23 = $2308

Want to customize miles per year or override the pump price you saw? Use the full calculator.