2021 head-to-head · Wagon vs Compact Car

2021 Rolls-Royce Cullinan vs Rolls-Royce Dawn

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
$4,232/ year to fuel
14 MPG

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

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

RWD · 6.6L 12-cyl turbo · 8-speed automatic · 14 MPG

On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2021 Rolls-Royce Cullinan (14 MPG) costs about $4,232 a year to fuel and the 2021 Rolls-Royce Dawn (14 MPG) about $4,232.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Rolls-Royce Cullinan
  • Rolls-Royce Dawn

Side by side

Rolls-Royce CullinanRolls-Royce Dawn
$4,232 Your annual fuel cost $4,232
14 MPG Combined efficiency 14 MPG
12 MPG City 12 MPG
20 MPG Highway 18 MPG
113 cu ft Passenger volume 100 cu ft
21 cu ft Cargo volume 9 cu ft
618 g/mi Tailpipe CO₂ (g/mi) 632 g/mi
1/10 EPA fuel economy score 1/10
1/10 EPA greenhouse gas score 1/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
6.7L 12-cyl turbo Engine / motor 6.6L 12-cyl turbo
8-speed automatic Transmission 8-speed automatic
AWD 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.

Rolls-Royce Cullinan vs Rolls-Royce Dawn across model years

  • Rolls-Royce Cullinan
  • Rolls-Royce Dawn

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 Rolls-Royce Cullinan has more passenger space (113 vs. 100 cu ft); the Rolls-Royce Cullinan has more cargo space (21 vs. 9 cu ft).

Frequently asked questions

How much does it cost to fuel the 2021 Rolls-Royce Cullinan vs. the Rolls-Royce Dawn per year?

At 15,000 miles a year with $3.95/gal premium gas, about $4,232 for the Rolls-Royce Cullinan and $4,232 for the Rolls-Royce Dawn.

Which has more cargo space?

The Rolls-Royce Cullinan, with 21 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).

Rolls-Royce Cullinan vs Rolls-Royce Dawn in other years

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