2020 head-to-head · Midsize Car

2020 Alfa Romeo Giulia vs Cadillac CT5

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
$2,194/ year to fuel
27 MPG
✓ Cheaper to run
$2,279/ year to fuel
26 MPG

The 2020 Alfa Romeo Giulia is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,194 a year to fuel (27 MPG), versus $2,279 for the 2020 Cadillac CT5 (26 MPG). That's roughly $84 a year, or about $422 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

  • Alfa Romeo Giulia
  • Cadillac CT5

Side by side

Alfa Romeo GiuliaCadillac CT5
$2,194 Your annual fuel cost $2,279
27 MPG Combined efficiency 26 MPG
24 MPG City 23 MPG
33 MPG Highway 32 MPG
100 cu ft Passenger volume 99 cu ft
12 cu ft Cargo volume 13 cu ft
330 g/mi Tailpipe CO₂ (g/mi) 337 g/mi
6/10 EPA fuel economy score 5/10
6/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
8-speed automatic Transmission 10-speed automatic
RWD 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.

Alfa Romeo Giulia vs Cadillac CT5 across model years

  • Alfa Romeo Giulia
  • Cadillac CT5

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 Cadillac CT5 has more cargo space (13 vs. 12 cu ft).

Among 64 2020 midsize cars, the Alfa Romeo Giulia ranks 46th and the Cadillac CT5 49th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2020 Alfa Romeo Giulia or the 2020 Cadillac CT5?

Measured by cost to drive, the Alfa Romeo Giulia. The Alfa Romeo Giulia is rated 27 MPG combined and the Cadillac CT5 26 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 Alfa Romeo Giulia vs. the Cadillac CT5 per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,194 for the Alfa Romeo Giulia and $2,279 for the Cadillac CT5.

Which has more cargo space?

The Cadillac CT5, with 13 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).

Alfa Romeo Giulia vs Cadillac CT5 in other years

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