2027 head-to-head · Large Car

2027 Lucid Air vs Mercedes-Benz S-Class 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.

Swap sides
✓ Cheaper to run
$624/ year to fuel
146 MPGe
✓ Cheaper to run
$2,576/ year to fuel
23 MPG

The 2027 Lucid Air 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 $624 a year to fuel (146 MPGe), versus $2,576 for the 2027 Mercedes-Benz S-Class Hybrid (23 MPG). That's roughly $1,952 a year, or about $9,762 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

  • Lucid Air
  • Mercedes-Benz S-Class Hybrid

Side by side

Lucid AirMercedes-Benz S-Class Hybrid
$624 Your annual fuel cost $2,576
146 MPGe Combined efficiency 23 MPG
149 MPGe City 20 MPG
142 MPGe Highway 28 MPG
23.1 kWh Electricity use (kWh/100 mi) —
420 mi Driving range —
101 cu ft Passenger volume 112 cu ft
32 cu ft Cargo volume 13 cu ft
0 g/mi Tailpipe CO₂ (g/mi) 386 g/mi
10/10 EPA fuel economy score 5/10
10/10 EPA greenhouse gas score 5/10
10 hrs Charge time at 240V —
Electric Powertrain Hybrid
Electricity Fuel Premium gasoline
Electric motor (330 kW) Engine / motor 3.0L 6-cyl turbo
Single-speed Transmission 9-speed automatic
RWD Drivetrain AWD

✓ 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.

Lucid Air vs Mercedes-Benz S-Class Hybrid across model years

  • Lucid Air
  • Mercedes-Benz S-Class 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 Mercedes-Benz S-Class Hybrid has more passenger space (112 vs. 101 cu ft); the Lucid Air has more cargo space (32 vs. 13 cu ft).

Among 16 2027 large cars, the Lucid Air ranks 1st and the Mercedes-Benz S-Class Hybrid 10th for lowest fuel cost.

Because the Lucid Air 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 Mercedes-Benz S-Class Hybrid; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2027 Lucid Air or the 2027 Mercedes-Benz S-Class Hybrid?

Measured by cost to drive, the Lucid Air. The Lucid Air is rated 146 MPGe combined and the Mercedes-Benz S-Class Hybrid 23 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2027 Lucid Air vs. the Mercedes-Benz S-Class Hybrid per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $624 for the Lucid Air and $2,576 for the Mercedes-Benz S-Class Hybrid.

Which has more cargo space?

The Lucid Air, with 32 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).

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