2025 Mercedes-Benz S-Class plug-in hybrid vs gas: is the plug-in worth it?
S 580e 4MATIC AWD vs S 500 4MATIC AWD
No. Does not pay back in 6 years.
48.7years to pay back
- Plug-in: $10,450 more. Saves $214 a year.
- Break-even: 584,800 miles.
- No gas trim with the same name. Cheapest gas AWD/4WD trim used.
- 12,000 miles a year. Gas $3.20. Electricity 17 cents a kWh. Plug-ins: 50% of miles on electricity.
Every plug-in pair
| Pair | MSRP | Rating | Energy a year | Price gap | Saves a year | Payback | Ahead after 6 years |
|---|---|---|---|---|---|---|---|
| S 580e 4MATIC AWD S 500 4MATIC AWD | $128,200 $117,750 | 23 mpg, 54 kWh/100 mi 24 mpg | $1,386 $1,600 | $10,450 | $214 | 48.7 years | Gas, $9,163 |
What changes the answer
- Gas price for a 6-year payback: $9.59.
- Miles a year for a 6-year payback: 97,500.
What you give up
| Measure | Plug-in | Gas | Change |
|---|---|---|---|
| Horsepower | 510 hp | 442 hp | +68 hp |
| Torque | 694 lb-ft | 413 lb-ft | +281 lb-ft |
| Cargo, seats down | 12.9 cu ft | 12.9 cu ft | about the same |
| Curb weight | 5,501 lb | 4,740 lb | +761 lb |
What this cannot tell you
Incentives, insurance, upkeep and resale are not included.
Your own mpg will differ.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree