2027 head-to-head · Compact Car

2027 Audi RS e-tron vs Rolls-Royce Spectre

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
$1,085/ year to fuel
84 MPGe

AWD · Electric motors (667 kW) · Single-speed · 84 MPGe · 278 mi

✓ Cheaper to run
$1,110/ year to fuel
82 MPGe

On fuel costs these two are nearly tied. Driving 15,000 miles a year with 18¢/kWh electricity, the most efficient 2027 Audi RS e-tron (84 MPGe) costs about $1,085 a year to fuel and the 2027 Rolls-Royce Spectre (82 MPGe) about $1,110.

Your numbers

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

Fuel cost over 10 years

  • Audi RS e-tron
  • Rolls-Royce Spectre

Side by side

Audi RS e-tronRolls-Royce Spectre
$1,085 Your annual fuel cost $1,110
84 MPGe Combined efficiency 82 MPGe
85 MPGe City 80 MPGe
82 MPGe Highway 84 MPGe
40.2 kWh Electricity use (kWh/100 mi) 41.1 kWh
278 mi Driving range 324 mi
91 cu ft Passenger volume 94 cu ft
11 cu ft Cargo volume 10 cu ft
0 g/mi Tailpipe CO₂ (g/mi) 0 g/mi
9/10 EPA fuel economy score 9/10
10/10 EPA greenhouse gas score 10/10
15.5 hrs Charge time at 240V 11 hrs
Electric Powertrain Electric
Electricity Fuel Electricity
Electric motors (667 kW) Engine / motor Electric motors (550 kW)
Single-speed Transmission Single-speed
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.

Audi RS e-tron vs Rolls-Royce Spectre across model years

  • Audi RS e-tron
  • Rolls-Royce Spectre

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

The Rolls-Royce Spectre goes farther between stops: about 324 miles on a charge, compared with 278 miles for the Audi RS e-tron.

Per EPA interior volume figures, the Rolls-Royce Spectre has more passenger space (94 vs. 91 cu ft); the Audi RS e-tron has more cargo space (11 vs. 10 cu ft).

Among 13 2027 compact cars, the Audi RS e-tron ranks 5th and the Rolls-Royce Spectre 6th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2027 Audi RS e-tron or the 2027 Rolls-Royce Spectre?

Measured by cost to drive, the Audi RS e-tron. The Audi RS e-tron is rated 84 MPGe combined and the Rolls-Royce Spectre 82 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2027 Audi RS e-tron vs. the Rolls-Royce Spectre per year?

At 15,000 miles a year with 18¢/kWh electricity, about $1,085 for the Audi RS e-tron and $1,110 for the Rolls-Royce Spectre.

Which has more range?

The Rolls-Royce Spectre: about 324 miles versus 278 miles.

Which has more cargo space?

The Audi RS e-tron, with 11 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).

Audi RS e-tron vs Rolls-Royce Spectre in other years

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