2023 head-to-head · Compact Car

2023 Audi A4 Hybrid vs Cadillac CT4

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
$2,116/ year to fuel
28 MPG
✓ Cheaper to run
$2,194/ year to fuel
27 MPG

The 2023 Audi A4 Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,116 a year to fuel (28 MPG), versus $2,194 for the 2023 Cadillac CT4 (27 MPG). That's roughly $78 a year, or about $392 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 A4 Hybrid
  • Cadillac CT4

Side by side

Audi A4 HybridCadillac CT4
$2,116 Your annual fuel cost $2,194
28 MPG Combined efficiency 27 MPG
24 MPG City 23 MPG
33 MPG Highway 34 MPG
92 cu ft Passenger volume 90 cu ft
12 cu ft Cargo volume 11 cu ft
322 g/mi Tailpipe CO₂ (g/mi) 331 g/mi
6/10 EPA fuel economy score 5/10
6/10 EPA greenhouse gas score 5/10
Hybrid Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
7-speed dual-clutch Transmission 8-speed automatic
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 A4 Hybrid vs Cadillac CT4 across model years

  • Audi A4 Hybrid
  • Cadillac CT4

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 Audi A4 Hybrid has more cargo space (12 vs. 11 cu ft).

Among 31 2023 compact cars, the Audi A4 Hybrid ranks 19th and the Cadillac CT4 21st for lowest fuel cost.

The powertrains differ: the Audi A4 Hybrid is a full hybrid, while the Cadillac CT4 is a conventional gas model.

Frequently asked questions

Which is more fuel-efficient, the 2023 Audi A4 Hybrid or the 2023 Cadillac CT4?

Measured by cost to drive, the Audi A4 Hybrid. The Audi A4 Hybrid is rated 28 MPG combined and the Cadillac CT4 27 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2023 Audi A4 Hybrid vs. the Cadillac CT4 per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,116 for the Audi A4 Hybrid and $2,194 for the Cadillac CT4.

Which has more cargo space?

The Audi A4 Hybrid, with 12 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

Audi A4 Hybrid vs Cadillac CT4 in other years

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