2026 head-to-head · Large Car

2026 Mercedes-Benz S-Class vs Rolls-Royce Ghost

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
$3,950/ year to fuel
15 MPG

AWD · 6.0L 12-cyl turbo · 9-speed automatic · 15 MPG

✓ Cheaper to run
$4,232/ year to fuel
14 MPG

AWD · 6.7L 12-cyl turbo · 8-speed automatic · 14 MPG

The 2026 Mercedes-Benz S-Class is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,950 a year to fuel (15 MPG), versus $4,232 for the 2026 Rolls-Royce Ghost (14 MPG). That's roughly $282 a year, or about $1,411 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

  • Mercedes-Benz S-Class
  • Rolls-Royce Ghost

Side by side

Mercedes-Benz S-ClassRolls-Royce Ghost
$3,950 Your annual fuel cost $4,232
15 MPG Combined efficiency 14 MPG
12 MPG City 12 MPG
20 MPG Highway 19 MPG
115 cu ft Passenger volume 111 cu ft
12 cu ft Cargo volume 13 cu ft
603 g/mi Tailpipe CO₂ (g/mi) 609 g/mi
2/10 EPA fuel economy score 2/10
2/10 EPA greenhouse gas score 2/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
6.0L 12-cyl turbo Engine / motor 6.7L 12-cyl turbo
9-speed automatic Transmission 8-speed automatic
AWD 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.

Mercedes-Benz S-Class vs Rolls-Royce Ghost across model years

  • Mercedes-Benz S-Class
  • Rolls-Royce Ghost

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 has more passenger space (115 vs. 111 cu ft); the Rolls-Royce Ghost has more cargo space (13 vs. 12 cu ft).

Among 24 2026 large cars, the Mercedes-Benz S-Class ranks 22nd and the Rolls-Royce Ghost 24th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2026 Mercedes-Benz S-Class or the 2026 Rolls-Royce Ghost?

Measured by cost to drive, the Mercedes-Benz S-Class. The Mercedes-Benz S-Class is rated 15 MPG combined and the Rolls-Royce Ghost 14 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2026 Mercedes-Benz S-Class vs. the Rolls-Royce Ghost per year?

At 15,000 miles a year with $3.95/gal premium gas, about $3,950 for the Mercedes-Benz S-Class and $4,232 for the Rolls-Royce Ghost.

Which has more cargo space?

The Rolls-Royce Ghost, with 13 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).

Mercedes-Benz S-Class vs Rolls-Royce Ghost in other years

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