Audi Q4 e-tron vs Hyundai Ioniq 5: Specs Compared

Also searched as Hyundai Ioniq 5 vs Audi Q4 e-tron specs — both orientations show this same side-by-side comparison.

The Audi Q4 e-tron and Hyundai Ioniq 5 are evenly matched on fuel economy — both peak at 115 mpg combined — so the decision comes down to engine choice, drivetrain, and class.

Across 2 measured categories, the Audi Q4 e-tron leads in 1. Figures are EPA test data, not manufacturer claims.

2022–2026

Audi Q4 e-tron

Standard Sport Utility Vehicle 4WD · 16 configurations

115mpg combined (best)
All Audi Q4 e-tron specs

2022–2027

Hyundai Ioniq 5

Small Sport Utility Vehicle 4WD · 25 configurations

115mpg combined (best)
All Hyundai Ioniq 5 specs

Head-to-head specifications

MetricAudi Q4 e-tronHyundai Ioniq 5
Best combined MPG115 mpg115 mpg
Best city MPG125 mpg132 mpg ✓
Best highway MPG104 mpg ✓100 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$650$650
Lowest CO2 outputNot availableNot available
Engines offeredNot availableNot available
TransmissionsAutomatic (A1)Automatic (A1)
DrivetrainsAll-Wheel Drive, Rear-Wheel DriveRear-Wheel Drive, All-Wheel Drive
Fuel typesElectricityElectricity
EPA classStandard Sport Utility Vehicle 4WDSmall Sport Utility Vehicle 4WD
Years covered2022–20262022–2027
Configurations on record1625

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

Audi Q4 e-tron vs Hyundai Ioniq 5 dimensions and size

The Hyundai Ioniq 5 is 2 inches longer than the Audi Q4 e-tron on a wheelbase 9.4 inches longer, and 903.9 lbs lighter. Both clear the roughly 200 inches of usable length in a standard single garage bay.

Audi Q4 e-tron versus Hyundai Ioniq 5 exterior dimensions
DimensionAudi Q4 e-tron (2026)Hyundai Ioniq 5 (2026)Difference
Length180.7 in182.7 in2 in
Width (excl. mirrors)73.6 in74.4 in0.8 in
Height63.4 in63.4 inidentical
Wheelbase108.7 in118.1 in9.4 in
Curb weight4,872 lbs3,968 lbs904 lbs

Width excludes mirrors; add 8–12 inches for mirrors out. Figures are for the newest model year on record for each vehicle. See both drawn to scale.

Audi Q4 e-tron vs Hyundai Ioniq 5: what the numbers mean

Running cost over five years: at the EPA's 15,000-mile-a-year assumption the Audi Q4 e-tron burns about $650 of fuel annually against $650 for the Hyundai Ioniq 5. That $0 yearly gap compounds to roughly $0 over five years and $0 over eight — often more than the price difference between two trims of the same vehicle, and the single largest running-cost line item separating these two.

City versus highway split: the Hyundai Ioniq 5 is the stronger commuter at 132 mpg city, while the Audi Q4 e-tron pulls ahead on the interstate at 104 mpg highway. If most of your driving is stop-and-go traffic the city figure is the one to weigh; for long-distance highway mileage the reverse is true, and the two vehicles effectively swap places depending on how you drive.

Drivetrain and class: the Audi Q4 e-tron is offered with All-Wheel Drive, Rear-Wheel Drive, the Hyundai Ioniq 5 with Rear-Wheel Drive, All-Wheel Drive. All-wheel drive typically costs one to two mpg combined against the same vehicle in front- or rear-wheel drive, which is worth remembering when the gap between these two is small. The EPA classes them as Standard Sport Utility Vehicle 4WD and Small Sport Utility Vehicle 4WD respectively — the class drives the interior volume, cargo space and passenger space each one is measured against.

Q4 e-tron vs Ioniq 5: common questions

Which is better on gas, the Audi Q4 e-tron or the Hyundai Ioniq 5?

The Audi Q4 e-tron and Hyundai Ioniq 5 are evenly matched on fuel economy — both peak at 115 mpg combined — so the decision comes down to engine choice, drivetrain, and class.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Hyundai Ioniq 5 runs about $650 a year in fuel at its most efficient configuration, versus about $650 for the Audi Q4 e-tron — a difference of roughly $0 per year.

What engines do the Q4 e-tron and Ioniq 5 offer?

Audi Q4 e-tron: no engine data on record. Hyundai Ioniq 5: no engine data on record.

Are they in the same vehicle class?

The EPA classifies the Audi Q4 e-tron as Standard Sport Utility Vehicle 4WD and the Hyundai Ioniq 5 as Small Sport Utility Vehicle 4WD, so they aren't a like-for-like match on size.

More Q4 e-tron comparisons

More Ioniq 5 comparisons

Comparison id: audi-q4-e-tron-vs-hyundai-ioniq-5