2024 head-to-head · Midsize & Large SUV

2024 Audi Q8 e-tron vs Tesla Model X

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
$1,050/ year to fuel
87 MPGe
✓ Cheaper to run
$907/ year to fuel
100 MPGe

The 2024 Tesla Model X is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $907 a year to fuel (100 MPGe), versus $1,050 for the 2024 Audi Q8 e-tron (87 MPGe). That's roughly $143 a year, or about $716 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 Q8 e-tron
  • Tesla Model X

Side by side

Audi Q8 e-tronTesla Model X
$1,050 Your annual fuel cost $907
87 MPGe Combined efficiency 100 MPGe
84 MPGe City 104 MPGe
90 MPGe Highway 96 MPGe
38.9 kWh Electricity use (kWh/100 mi) 33.6 kWh
296 mi Driving range 335 mi
102 cu ft Passenger volume —
27 cu ft Cargo volume —
0 g/mi Tailpipe CO₂ (g/mi) 0 g/mi
9/10 EPA fuel economy score 10/10
10/10 EPA greenhouse gas score 10/10
16 hrs Charge time at 240V 14 hrs
Electric Powertrain Electric
Electricity Fuel Electricity
Electric motors (313 kW) Engine / motor Electric motors (486 kW)
2-speed automatic 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 Q8 e-tron vs Tesla Model X across model years

  • Audi Q8 e-tron
  • Tesla Model X

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 Tesla Model X goes farther between stops: about 335 miles on a charge, compared with 296 miles for the Audi Q8 e-tron.

Among 79 2024 midsize & large SUVs, the Audi Q8 e-tron ranks 10th and the Tesla Model X 2nd for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2024 Audi Q8 e-tron or the 2024 Tesla Model X?

Measured by cost to drive, the Tesla Model X. The Audi Q8 e-tron is rated 87 MPGe combined and the Tesla Model X 100 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2024 Audi Q8 e-tron vs. the Tesla Model X per year?

At 15,000 miles a year with 18¢/kWh electricity, about $1,050 for the Audi Q8 e-tron and $907 for the Tesla Model X.

Which has more range?

The Tesla Model X: about 335 miles versus 296 miles.

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