2021 head-to-head · Compact Car

2021 Acura TLX 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
$2,370/ year to fuel
25 MPG
✓ Cheaper to run
$4,232/ year to fuel
14 MPG

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

The 2021 Acura TLX is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel (25 MPG), versus $4,232 for the 2021 Rolls-Royce Dawn (14 MPG). That's roughly $1,862 a year, or about $9,311 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

  • Acura TLX
  • Rolls-Royce Dawn

Side by side

Acura TLXRolls-Royce Dawn
$2,370 Your annual fuel cost $4,232
25 MPG Combined efficiency 14 MPG
22 MPG City 12 MPG
30 MPG Highway 18 MPG
93 cu ft Passenger volume 100 cu ft
14 cu ft Cargo volume 9 cu ft
357 g/mi Tailpipe CO₂ (g/mi) 632 g/mi
5/10 EPA fuel economy score 1/10
5/10 EPA greenhouse gas score 1/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 6.6L 12-cyl turbo
10-speed automatic Transmission 8-speed automatic
FWD 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.

Acura TLX vs Rolls-Royce Dawn across model years

  • Acura TLX
  • 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 Dawn has more passenger space (100 vs. 93 cu ft); the Acura TLX has more cargo space (14 vs. 9 cu ft).

Among 37 2021 compact cars, the Acura TLX ranks 30th and the Rolls-Royce Dawn 36th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2021 Acura TLX or the 2021 Rolls-Royce Dawn?

Measured by cost to drive, the Acura TLX. The Acura TLX is rated 25 MPG combined and the Rolls-Royce Dawn 14 MPG (EPA, most efficient configuration of each).

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

At 15,000 miles a year with $3.95/gal premium gas, about $2,370 for the Acura TLX and $4,232 for the Rolls-Royce Dawn.

Which has more cargo space?

The Acura TLX, with 14 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).

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