The Real Cost
Week of September 21, 2026 · San Antonio, TX
2027 Volkswagen Tiguan
15.3 gal tank · 28 MPG
$51–$60
typical fill → full tank · 15.3 galAt $3.93/gal, this tank gets you about 428 miles.
Source: EIA · Updated September 21, 2026
12-week state trend
+$0.64 over 12 wk
Local context
San Antonio runs at $3.93/gal this week — about 12.3% below the U.S. average of $4.48. At this price the 2027 Volkswagen Tiguan's 28 MPG returns roughly 7.1 miles per dollar (35.7 gallons per 1,000 miles).
At a typical 12,000 miles a year — the U.S. driving average — a San Antonio driver spends about $1,684 on gas in this car (use the calculator for your own mileage). For the same car, $2,573 in California (priciest reporting state at $6.00/gal) vs. $1,684 in Texas ($3.93/gal). $889 swing.
By the numbers
Fill cost
$51–$60
typical → full · 428 mi/tank
Per gallon
$3.93
EIA TX state weekly
Monthly · 12k mi/yr
$140.32
35.7 gal
Annual · 12k mi/yr
$1684
429 gal
The math
Why it costs what it costs.
- Fill cost = 15.3 gal × $3.93/gal = $60.11
- Miles per tank = 15.3 × 28 = 428
- Annual @ 12,000 mi (typical) = 12,000 ÷ 28 × $3.93 = $1684
Want to customize miles per year or override the pump price you saw? Use the full calculator.