The Real Cost
Week of May 18, 2026 · Charlotte, NC
2026 BMW X5 M Competition
24 gal tank · 15 MPG
$98.88 to fill the tank
At $4.12/gal, this tank gets you about 360 miles.
Source: EIA · Updated May 18, 2026
By the numbers
- Fill cost
- $98.88
- 360 miles per tank
- $/gallon
- $4.12
- EIA Lower Atlantic weekly
- Monthly (12k mi/yr)
- $274.67
- 66.7 gallons
- Annual (12k mi/yr)
- $3296
- 800 gallons
The math
Why it costs what it costs.
- Fill cost = 24 gal × $4.12/gal = $98.88
- Miles per tank = 24 × 15 = 360
- Annual (12,000 mi) = 12,000 ÷ 15 × $4.12 = $3296
Want to customize miles per year or override the pump price you saw? Use the full calculator.