2026 head-to-head · Midsize Car
2026 Mercedes-Benz E-Class Plug-in Hybrid vs Volvo S90 Hybrid
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
FWD · 2.0L 4-cyl turbo · 8-speed automatic · 28 MPG
The 2026 Mercedes-Benz E-Class Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $1,793 a year to fuel (60 MPGe + 24 MPG), versus $2,116 for the 2026 Volvo S90 Hybrid (28 MPG). That's roughly $323 a year, or about $1,614 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Mercedes-Benz E-Class Plug-in Hybrid
- Volvo S90 Hybrid
Side by side
| Mercedes-Benz E-Class Plug-in Hybrid | Volvo S90 Hybrid | |
|---|---|---|
| $1,793 | Your annual fuel cost | $2,116 |
| 60 MPGe + 24 MPG | Combined efficiency | 28 MPG |
| 55 MPGe / 22 MPG | City | 24 MPG |
| 68 MPGe / 27 MPG | Highway | 34 MPG |
| 56 kWh | Electricity use (kWh/100 mi) | — |
| 420 mi | Driving range | — |
| 44 mi | All-electric range | — |
| 100 cu ft | Passenger volume | 102 cu ft |
| 13 cu ft | Cargo volume | 14 cu ft |
| 115 g/mi | Tailpipe CO₂ (g/mi) | 318 g/mi |
| 7/10 | EPA fuel economy score | 5/10 |
| 9/10 | EPA greenhouse gas score | 5/10 |
| 2.8 hrs | Charge time at 240V | — |
| Plug-in hybrid | Powertrain | Hybrid |
| Premium gas + electricity | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 9-speed automatic | Transmission | 8-speed automatic |
| AWD | Drivetrain | FWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Mercedes-Benz E-Class Plug-in Hybrid vs Volvo S90 Hybrid across model years
- Mercedes-Benz E-Class Plug-in Hybrid
- Volvo S90 Hybrid
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Per EPA interior volume figures, the Volvo S90 Hybrid has more cargo space (14 vs. 13 cu ft).
Among 31 2026 midsize cars, the Mercedes-Benz E-Class Plug-in Hybrid ranks 18th and the Volvo S90 Hybrid 21st for lowest fuel cost.
The powertrains differ: the Mercedes-Benz E-Class Plug-in Hybrid is a plug-in hybrid, while the Volvo S90 Hybrid is a full hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2026 Mercedes-Benz E-Class Plug-in Hybrid or the 2026 Volvo S90 Hybrid?
Measured by cost to drive, the Mercedes-Benz E-Class Plug-in Hybrid. The Mercedes-Benz E-Class Plug-in Hybrid is rated 60 MPGe + 24 MPG combined and the Volvo S90 Hybrid 28 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Mercedes-Benz E-Class Plug-in Hybrid vs. the Volvo S90 Hybrid per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $1,793 for the Mercedes-Benz E-Class Plug-in Hybrid and $2,116 for the Volvo S90 Hybrid.
Which has more cargo space?
The Volvo S90 Hybrid, with 14 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).
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