2026 head-to-head · Compact Car

2026 Audi RS e-tron vs Porsche Taycan

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
$977/ year to fuel
93 MPGe

The 2026 Porsche Taycan is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $977 a year to fuel (93 MPGe), versus $1,085 for the 2026 Audi RS e-tron (84 MPGe). That's roughly $108 a year, or about $540 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

  • Audi RS e-tron
  • Porsche Taycan

Side by side

Audi RS e-tronPorsche Taycan
$1,085 Your annual fuel cost $977
84 MPGe Combined efficiency 93 MPGe
85 MPGe City 94 MPGe
82 MPGe Highway 92 MPGe
40.2 kWh Electricity use (kWh/100 mi) 36.2 kWh
278 mi Driving range 315 mi
91 cu ft Passenger volume 89 cu ft
11 cu ft Cargo volume 12 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 13 hrs
Electric Powertrain Electric
Electricity Fuel Electricity
Electric motors (667 kW) Engine / motor Electric motors (325 kW)
Single-speed Transmission 2-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.

Audi RS e-tron vs Porsche Taycan across model years

  • Audi RS e-tron
  • Porsche Taycan

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 Porsche Taycan goes farther between stops: about 315 miles on a charge, compared with 278 miles for the Audi RS e-tron.

Per EPA interior volume figures, the Porsche Taycan has more cargo space (12 vs. 11 cu ft).

Among 21 2026 compact cars, the Audi RS e-tron ranks 8th and the Porsche Taycan 5th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2026 Audi RS e-tron or the 2026 Porsche Taycan?

Measured by cost to drive, the Porsche Taycan. The Audi RS e-tron is rated 84 MPGe combined and the Porsche Taycan 93 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2026 Audi RS e-tron vs. the Porsche Taycan per year?

At 15,000 miles a year with 18¢/kWh electricity, about $1,085 for the Audi RS e-tron and $977 for the Porsche Taycan.

Which has more range?

The Porsche Taycan: about 315 miles versus 278 miles.

Which has more cargo space?

The Porsche Taycan, with 12 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

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