2024 head-to-head · Subcompact Car

2024 Audi A3 Hybrid vs BMW i4

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
$1,453/ year to fuel
32 MPG
✓ Cheaper to run
2024 BMW i4Electric
$756/ year to fuel
120 MPGe

The 2024 BMW i4 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 $756 a year to fuel (120 MPGe), versus $1,453 for the 2024 Audi A3 Hybrid (32 MPG). That's roughly $697 a year, or about $3,486 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 A3 Hybrid
  • BMW i4

Side by side

Audi A3 HybridBMW i4
$1,453 Your annual fuel cost $756
32 MPG Combined efficiency 120 MPGe
29 MPG City 122 MPGe
37 MPG Highway 119 MPGe
— Electricity use (kWh/100 mi) 28 kWh
— Driving range 276 mi
87 cu ft Passenger volume 90 cu ft
11 cu ft Cargo volume 10 cu ft
279 g/mi Tailpipe CO₂ (g/mi) 0 g/mi
6/10 EPA fuel economy score 10/10
6/10 EPA greenhouse gas score 10/10
— Charge time at 240V 7 hrs
Hybrid Powertrain Electric
Regular gasoline Fuel Electricity
2.0L 4-cyl turbo Engine / motor Electric motor (250 kW)
7-speed dual-clutch Transmission Single-speed
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.

Audi A3 Hybrid vs BMW i4 across model years

  • Audi A3 Hybrid
  • BMW i4

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 BMW i4 has more passenger space (90 vs. 87 cu ft); the Audi A3 Hybrid has more cargo space (11 vs. 10 cu ft).

Among 33 2024 subcompact cars, the Audi A3 Hybrid ranks 6th and the BMW i4 1st for lowest fuel cost.

Because the BMW i4 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 A3 Hybrid; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2024 Audi A3 Hybrid or the 2024 BMW i4?

Measured by cost to drive, the BMW i4. The Audi A3 Hybrid is rated 32 MPG combined and the BMW i4 120 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2024 Audi A3 Hybrid vs. the BMW i4 per year?

At 15,000 miles a year with $3.10/gal regular gas and 18¢/kWh electricity, about $1,453 for the Audi A3 Hybrid and $756 for the BMW i4.

Which has more cargo space?

The Audi A3 Hybrid, with 11 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).

Audi A3 Hybrid vs BMW i4 in other years

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