2026 head-to-head · Midsize Car

2026 BMW 5 Series Plug-in Hybrid vs Mercedes-Benz EQE

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$1,714/ year to fuel
68 MPGe + 25 MPG

AWD · 3.0L 6-cyl turbo · 8-speed automatic · 68 MPGe + 25 MPG

✓ Cheaper to run
$961/ year to fuel
94 MPGe

The 2026 Mercedes-Benz EQE 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 $961 a year to fuel (94 MPGe), versus $1,714 for the 2026 BMW 5 Series Plug-in Hybrid (68 MPGe + 25 MPG). That's roughly $752 a year, or about $3,762 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

  • BMW 5 Series Plug-in Hybrid
  • Mercedes-Benz EQE

Side by side

BMW 5 Series Plug-in HybridMercedes-Benz EQE
$1,714 Your annual fuel cost $961
68 MPGe + 25 MPG Combined efficiency 94 MPGe
65 MPGe / 22 MPG City 94 MPGe
73 MPGe / 28 MPG Highway 94 MPGe
49 kWh Electricity use (kWh/100 mi) 35.6 kWh
430 mi Driving range 308 mi
34 mi All-electric range —
98 cu ft Passenger volume 101 cu ft
14 cu ft Cargo volume 11 cu ft
133 g/mi Tailpipe CO₂ (g/mi) 0 g/mi
7/10 EPA fuel economy score 9/10
9/10 EPA greenhouse gas score 10/10
2 hrs Charge time at 240V 11.5 hrs
Plug-in hybrid Powertrain Electric
Premium gas + electricity Fuel Electricity
3.0L 6-cyl turbo Engine / motor Electric motor (235 kW)
8-speed automatic Transmission Single-speed
AWD Drivetrain RWD

✓ 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.

BMW 5 Series Plug-in Hybrid vs Mercedes-Benz EQE across model years

  • BMW 5 Series Plug-in Hybrid
  • Mercedes-Benz EQE

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

The BMW 5 Series Plug-in Hybrid goes farther between stops: about 430 miles on a full tank and charge, compared with 308 miles for the Mercedes-Benz EQE.

Per EPA interior volume figures, the BMW 5 Series Plug-in Hybrid has more cargo space (14 vs. 11 cu ft).

Among 31 2026 midsize cars, the BMW 5 Series Plug-in Hybrid ranks 16th and the Mercedes-Benz EQE 7th for lowest fuel cost.

Because the Mercedes-Benz EQE is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the BMW 5 Series Plug-in Hybrid; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2026 BMW 5 Series Plug-in Hybrid or the 2026 Mercedes-Benz EQE?

Measured by cost to drive, the Mercedes-Benz EQE. The BMW 5 Series Plug-in Hybrid is rated 68 MPGe + 25 MPG combined and the Mercedes-Benz EQE 94 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2026 BMW 5 Series Plug-in Hybrid vs. the Mercedes-Benz EQE per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $1,714 for the BMW 5 Series Plug-in Hybrid and $961 for the Mercedes-Benz EQE.

Which has more range?

The BMW 5 Series Plug-in Hybrid: about 430 miles versus 308 miles.

Which has more cargo space?

The BMW 5 Series Plug-in Hybrid, with 14 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

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