2027 head-to-head · Small SUV

2027 Cadillac Lyriq vs Mercedes-Benz GLC-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
$994/ year to fuel
92 MPGe
✓ Cheaper to run
$2,194/ year to fuel
27 MPG

The 2027 Cadillac Lyriq 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 $994 a year to fuel (92 MPGe), versus $2,194 for the 2027 Mercedes-Benz GLC-Class Hybrid (27 MPG). That's roughly $1,201 a year, or about $6,004 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

  • Cadillac Lyriq
  • Mercedes-Benz GLC-Class Hybrid

Side by side

Cadillac LyriqMercedes-Benz GLC-Class Hybrid
$994 Your annual fuel cost $2,194
92 MPGe Combined efficiency 27 MPG
100 MPGe City 24 MPG
83 MPGe Highway 32 MPG
36.8 kWh Electricity use (kWh/100 mi) —
326 mi Driving range —
105 cu ft Passenger volume —
29 cu ft Cargo volume —
0 g/mi Tailpipe CO₂ (g/mi) 323 g/mi
9/10 EPA fuel economy score 5/10
10/10 EPA greenhouse gas score 5/10
11.2 hrs Charge time at 240V —
Electric Powertrain Hybrid
Electricity Fuel Premium gasoline
Electric motors (470 kW) Engine / motor 2.0L 4-cyl turbo
Single-speed Transmission 9-speed automatic
RWD 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.

Cadillac Lyriq vs Mercedes-Benz GLC-Class Hybrid across model years

  • Cadillac Lyriq
  • Mercedes-Benz GLC-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

Among 48 2027 small SUVs, the Cadillac Lyriq ranks 14th and the Mercedes-Benz GLC-Class Hybrid 43rd for lowest fuel cost.

Because the Cadillac Lyriq 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 GLC-Class Hybrid; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2027 Cadillac Lyriq or the 2027 Mercedes-Benz GLC-Class Hybrid?

Measured by cost to drive, the Cadillac Lyriq. The Cadillac Lyriq is rated 92 MPGe combined and the Mercedes-Benz GLC-Class Hybrid 27 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2027 Cadillac Lyriq vs. the Mercedes-Benz GLC-Class Hybrid per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $994 for the Cadillac Lyriq and $2,194 for the Mercedes-Benz GLC-Class Hybrid.

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