2027 head-to-head · Small SUV

2027 Audi Q3 vs Cadillac Lyriq

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
$1,938/ year to fuel
24 MPG

AWD · 2.0L 4-cyl turbo · 7-speed dual-clutch · 24 MPG

✓ Cheaper to run
$994/ year to fuel
92 MPGe

The 2027 Cadillac Lyriq is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, it costs about $994 a year to fuel (92 MPGe), versus $1,938 for the 2027 Audi Q3 (24 MPG). That's roughly $944 a year, or about $4,720 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 Q3
  • Cadillac Lyriq

Side by side

Audi Q3Cadillac Lyriq
$1,938 Your annual fuel cost $994
24 MPG Combined efficiency 92 MPGe
22 MPG City 100 MPGe
28 MPG Highway 83 MPGe
— Electricity use (kWh/100 mi) 36.8 kWh
— Driving range 326 mi
— Passenger volume 105 cu ft
— Cargo volume 29 cu ft
371 g/mi Tailpipe CO₂ (g/mi) 0 g/mi
5/10 EPA fuel economy score 9/10
5/10 EPA greenhouse gas score 10/10
— Charge time at 240V 11.2 hrs
Gas Powertrain Electric
Regular gasoline Fuel Electricity
2.0L 4-cyl turbo Engine / motor Electric motors (470 kW)
7-speed dual-clutch Transmission Single-speed
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.

Audi Q3 vs Cadillac Lyriq across model years

  • Audi Q3
  • Cadillac Lyriq

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

Among 48 2027 small SUVs, the Audi Q3 ranks 38th and the Cadillac Lyriq 14th for lowest fuel cost.

Because the Cadillac Lyriq is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the Audi Q3; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2027 Audi Q3 or the 2027 Cadillac Lyriq?

Measured by cost to drive, the Cadillac Lyriq. The Audi Q3 is rated 24 MPG combined and the Cadillac Lyriq 92 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2027 Audi Q3 vs. the Cadillac Lyriq per year?

At 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, about $1,938 for the Audi Q3 and $994 for the Cadillac Lyriq.

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