2023 head-to-head · Midsize Car

2023 Alfa Romeo Giulia vs Infiniti Q50

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
$2,576/ year to fuel
23 MPG

The 2023 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 $2,576 for the 2023 Infiniti Q50 (23 MPG). That's roughly $382 a year, or about $1,908 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
  • Infiniti Q50

Side by side

Alfa Romeo GiuliaInfiniti Q50
$2,194 Your annual fuel cost $2,576
27 MPG Combined efficiency 23 MPG
24 MPG City 20 MPG
33 MPG Highway 29 MPG
100 cu ft Passenger volume 100 cu ft
12 cu ft Cargo volume 14 cu ft
330 g/mi Tailpipe CO₂ (g/mi) 388 g/mi
5/10 EPA fuel economy score 5/10
5/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 3.0L 6-cyl turbo
8-speed automatic Transmission 7-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 Infiniti Q50 across model years

  • Alfa Romeo Giulia
  • Infiniti Q50

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 Infiniti Q50 has more cargo space (14 vs. 12 cu ft).

Among 50 2023 midsize cars, the Alfa Romeo Giulia ranks 33rd and the Infiniti Q50 42nd for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2023 Alfa Romeo Giulia or the 2023 Infiniti Q50?

Measured by cost to drive, the Alfa Romeo Giulia. The Alfa Romeo Giulia is rated 27 MPG combined and the Infiniti Q50 23 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2023 Alfa Romeo Giulia vs. the Infiniti Q50 per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,194 for the Alfa Romeo Giulia and $2,576 for the Infiniti Q50.

Which has more cargo space?

The Infiniti Q50, with 14 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).

Alfa Romeo Giulia vs Infiniti Q50 in other years

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