The Real Cost
Week of November 2, 2026 · Chicago, IL
2027 Hyundai Sonata
2.5L I4 FWD · 15.9 gal tank · 29 MPG · manufacturer spec
$64–$75
typical fill → full tank · 15.9 galAt $4.71/gal, this tank gets you about 461 miles.
Source: EIA · Updated November 2, 2026
12-week state trend · padd proxy
+$0.29 over 12 wk
Local context
Chicago runs at $4.71/gal this week — about 13.3% above the U.S. average of $4.15. At this price the 2027 Hyundai Sonata's 29 MPG returns roughly 6.2 miles per dollar (34.5 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a Chicago driver spends about $1,947 on gas in this car (use the calculator for your own mileage). For the same car, $2,378 in California (priciest reporting state at $5.75/gal) vs. $1,481 in Texas ($3.58/gal). $898 swing.
By the numbers
Fill cost
$64–$75
typical → full · 461 mi/tank
Per gallon
$4.71
EIA weekly — Chicago
Monthly · 12k mi/yr
$162.28
34.5 gal
Annual · 12k mi/yr
$1947
414 gal
The math
Why it costs what it costs.
- Fill cost = 15.9 gal × $4.71/gal = $74.83
- Miles per tank = 15.9 × 29 = 461
- Annual @ 12,000 mi (typical) = 12,000 ÷ 29 × $4.71 = $1947
Want to customize miles per year or override the pump price you saw? Use the full calculator.