Infiniti Q50 vs Hyundai Elantra

The Hyundai Elantra is the more efficient of the two: it reaches 54 mpg combined versus 31 mpg for the Infiniti Q50, a 23 mpg advantage and costs about $1,300 less per year to fuel.

Across 5 measured categories, the Hyundai Elantra leads in 5. Figures are EPA test data, not manufacturer claims.

2015–2024

Infiniti Q50

Midsize Cars · 60 configurations

31mpg combined (best)
All Infiniti Q50 specs

2015–2026

Hyundai Elantra

Midsize Cars · 93 configurations

54mpg combined (best)
All Hyundai Elantra specs

Head-to-head specifications

MetricInfiniti Q50Hyundai Elantra
Best combined MPG31 mpg54 mpg
Best city MPG29 mpg53 mpg
Best highway MPG36 mpg58 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$2,450$1,150
Lowest CO2 output286 g/mi165 g/mi
Engines offeredSIDI, 3.5, 2.0, 3.72.0, SIDI, SIDI; Hybrid, with Stop-Start
TransmissionsAutomatic (S7)Automatic (AV-S1), Automatic (AM-S7), Automatic (AM-S6)
DrivetrainsAll-Wheel Drive, Rear-Wheel DriveFront-Wheel Drive
Fuel typesPremiumRegular, Premium
EPA classMidsize CarsMidsize Cars
Years covered2015–20242015–2026
Configurations on record6093

Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.

Q50 vs Elantra: common questions

Which is better on gas, the Infiniti Q50 or the Hyundai Elantra?

The Hyundai Elantra is the more efficient of the two: it reaches 54 mpg combined versus 31 mpg for the Infiniti Q50, a 23 mpg advantage and costs about $1,300 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Hyundai Elantra runs about $1,150 a year in fuel at its most efficient configuration, versus about $2,450 for the Infiniti Q50 — a difference of roughly $1,300 per year.

What engines do the Q50 and Elantra offer?

Infiniti Q50: SIDI, 3.5, 2.0, 3.7. Hyundai Elantra: 2.0, SIDI, SIDI; Hybrid, with Stop-Start.

Are they in the same vehicle class?

Yes — the EPA classifies both the Infiniti Q50 and the Hyundai Elantra as Midsize Cars, so they compete directly.

More Q50 comparisons

Comparison id: infiniti-q50-vs-hyundai-elantra