2027 head-to-head · Midsize & Large SUV

2027 Infiniti QX80 vs Mercedes-Benz G-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
$3,292/ year to fuel
18 MPG
✓ Cheaper to run
$3,950/ year to fuel
15 MPG

4WD · 4.0L 8-cyl turbo · 9-speed automatic · 15 MPG

The 2027 Infiniti QX80 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,292 a year to fuel (18 MPG), versus $3,950 for the 2027 Mercedes-Benz G-Class Hybrid (15 MPG). That's roughly $658 a year, or about $3,292 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

  • Infiniti QX80
  • Mercedes-Benz G-Class Hybrid

Side by side

Infiniti QX80Mercedes-Benz G-Class Hybrid
$3,292 Your annual fuel cost $3,950
18 MPG Combined efficiency 15 MPG
16 MPG City 14 MPG
20 MPG Highway 16 MPG
504 g/mi Tailpipe CO₂ (g/mi) 608 g/mi
3/10 EPA fuel economy score 2/10
3/10 EPA greenhouse gas score 2/10
Gas Powertrain Hybrid
Premium gasoline Fuel Premium gasoline
3.5L 6-cyl turbo Engine / motor 4.0L 8-cyl turbo
9-speed automatic Transmission 9-speed automatic
RWD 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.

Infiniti QX80 vs Mercedes-Benz G-Class Hybrid across model years

  • Infiniti QX80
  • Mercedes-Benz G-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 58 2027 midsize & large SUVs, the Infiniti QX80 ranks 52nd and the Mercedes-Benz G-Class Hybrid 57th for lowest fuel cost.

The powertrains differ: the Infiniti QX80 is a conventional gas model, while the Mercedes-Benz G-Class Hybrid is a full hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2027 Infiniti QX80 or the 2027 Mercedes-Benz G-Class Hybrid?

Measured by cost to drive, the Infiniti QX80. The Infiniti QX80 is rated 18 MPG combined and the Mercedes-Benz G-Class Hybrid 15 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2027 Infiniti QX80 vs. the Mercedes-Benz G-Class Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas, about $3,292 for the Infiniti QX80 and $3,950 for the Mercedes-Benz G-Class Hybrid.

Infiniti QX80 vs Mercedes-Benz G-Class Hybrid in other years

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