What does the 2026 Mercedes-Benz GLS cost per mile?
Fuel cost a mile
15.2cents
- 2025 IRS rate: 70 cents a mile.
- Margin: 54.8 cents a mile.
- $5,476 per 10,000 miles.
- 2026 Mercedes-Benz GLS GLS 450 4MATIC AWD: 21 mpg.
- Median of 137 gas and hybrid SUVs (2026): 13.9 cents a mile.
Gas $3.20. 2025 IRS rate 70 cents.
| Trim | Rating | Cost a mile | Margin a mile | Per 10,000 mi |
|---|---|---|---|---|
| GLS 450 4MATIC AWD | 21 mpg | 15.2 cents | 54.8 cents | $5,476 |
| GLS 580 4MATIC AWD | 16 mpg | 20.0 cents | 50.0 cents | $5,000 |
| AMG GLS 63 4MATIC | 17 mpg | 18.8 cents | 51.2 cents | $5,118 |
| Maybach GLS 600 4MATIC SUV | 15 mpg | 21.3 cents | 48.7 cents | $4,867 |
What this cannot tell you
Fuel only. Insurance, repairs and value loss not counted.
The IRS rate covers every cost, not fuel alone.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree