2018 head-to-head · Small SUV

2018 Lexus RX vs Mercedes-Benz GLC-Class Plug-in 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
$2,022/ year to fuel
23 MPG
✓ Cheaper to run
$2,113/ year to fuel
56 MPGe + 25 MPG

4WD · 2.0L 4-cyl turbo · 7-speed automatic · 56 MPGe + 25 MPG

The 2018 Lexus RX is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, 18¢/kWh electricity and $3.95/gal premium gas, it costs about $2,022 a year to fuel (23 MPG), versus $2,113 for the 2018 Mercedes-Benz GLC-Class Plug-in Hybrid (56 MPGe + 25 MPG). That's roughly $91 a year, or about $455 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

  • Lexus RX
  • Mercedes-Benz GLC-Class Plug-in Hybrid

Side by side

Lexus RXMercedes-Benz GLC-Class Plug-in Hybrid
$2,022 Your annual fuel cost $2,113
23 MPG Combined efficiency 56 MPGe + 25 MPG
20 MPG City 55 MPGe / 24 MPG
27 MPG Highway 57 MPGe / 27 MPG
— Electricity use (kWh/100 mi) 59 kWh
— Driving range 350 mi
— All-electric range 10 mi
391 g/mi Tailpipe CO₂ (g/mi) 235 g/mi
5/10 EPA fuel economy score 7/10
5/10 EPA greenhouse gas score 9/10
— Charge time at 240V 1.9 hrs
Gas Powertrain Plug-in hybrid
Regular gasoline Fuel Premium gas + electricity
3.5L 6-cyl Engine / motor 2.0L 4-cyl turbo
8-speed automatic Transmission 7-speed automatic
FWD Drivetrain 4WD

✓ 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.

Lexus RX vs Mercedes-Benz GLC-Class Plug-in Hybrid across model years

  • Lexus RX
  • Mercedes-Benz GLC-Class Plug-in 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 68 2018 small SUVs, the Lexus RX ranks 42nd and the Mercedes-Benz GLC-Class Plug-in Hybrid 46th for lowest fuel cost.

The powertrains differ: the Lexus RX is a conventional gas model, while the Mercedes-Benz GLC-Class Plug-in Hybrid is a plug-in hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2018 Lexus RX or the 2018 Mercedes-Benz GLC-Class Plug-in Hybrid?

Measured by cost to drive, the Lexus RX. The Lexus RX is rated 23 MPG combined and the Mercedes-Benz GLC-Class Plug-in Hybrid 56 MPGe + 25 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2018 Lexus RX vs. the Mercedes-Benz GLC-Class Plug-in Hybrid per year?

At 15,000 miles a year with $3.10/gal regular gas, 18¢/kWh electricity and $3.95/gal premium gas, about $2,022 for the Lexus RX and $2,113 for the Mercedes-Benz GLC-Class Plug-in Hybrid.

Lexus RX vs Mercedes-Benz GLC-Class Plug-in Hybrid in other years

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