Alfa Romeo Giulia vs Audi S5

Side by side

Better figure in bold; each model's most efficient version.

Fuel economy and cost

Fuel bills differ by $500 a year. The Alfa Romeo Giulia comes to $3,050 and the Audi S5 to $3,550, both at 15,000 miles a year.

Where each one ranks

Within their class the Alfa Romeo Giulia is tied for 19th of 31 midsize cars, in the lower half. The Audi S5 is tied for 25th of 31 midsize cars, in the bottom quarter.

The Alfa Romeo Giulia has 2 rated versions, from 26 to 27 MPG. The Audi S5 has 1, from 23 to 23 MPG. For the most efficient versions, the Alfa Romeo Giulia is rated 9 higher on the highway (33 against 24), while the Audi S5 is rated 9 higher on the highway (29 against 20).

The two versions closest in rating are Giulia AWD: 2.0 L, 4 cyl, Automatic 8-spd, AWD at 26 MPG and S5 Sport Sedan: 3.0 L, 6 cyl, Automatic (AM-S7), AWD at 23, 3 MPG apart.

Ratings by model year

Both models are in the data for 8 model years, 2019 to 2026. The Alfa Romeo Giulia has the higher best rating in 8 of them and the Audi S5 in 0. The widest gap, 4 MPG, was in 2026, when the Alfa Romeo Giulia led.

Go further

• All versions and the trend of the Alfa Romeo Giulia
• All versions and the trend of the Audi S5
• The full midsize cars ranking