Hyundai Ioniq 6 vs Lexus ES: Specs Compared

Also searched as Lexus ES vs Hyundai Ioniq 6 specs — both orientations show this same side-by-side comparison.

The Hyundai Ioniq 6 is the more efficient of the two: it reaches 140 mpg combined versus 127 mpg for the Lexus ES, a 13 mpg advantage and costs about $50 less per year to fuel.

Across 4 measured categories, the Hyundai Ioniq 6 leads in 4. Figures are EPA test data, not manufacturer claims.

2023–2027

Hyundai Ioniq 6

Midsize Cars · 16 configurations

140mpg combined (best)
All Hyundai Ioniq 6 specs

2015–2026

Lexus ES

Midsize Cars · 40 configurations

127mpg combined (best)
All Lexus ES specs

Head-to-head specifications

MetricHyundai Ioniq 6Lexus ES
Best combined MPG140 mpg ✓127 mpg
Best city MPG153 mpg ✓135 mpg
Best highway MPG127 mpg ✓118 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$550 ✓$600
Lowest CO2 outputNot available191 g/mi
Engines offeredNot availableSIDI & PFI; Hybrid, SIDI & PFI, 2.5, 3.5
TransmissionsAutomatic (A1)Automatic (AV-S6), Automatic (A1), Automatic (S8)
DrivetrainsAll-Wheel Drive, Rear-Wheel DriveFront-Wheel Drive, All-Wheel Drive
Fuel typesElectricityPremium, Electricity, Regular
EPA classMidsize CarsMidsize Cars
Years covered2023–20272015–2026
Configurations on record1640

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

Hyundai Ioniq 6 vs Lexus ES dimensions and size

The Lexus ES is 11.4 inches longer than the Hyundai Ioniq 6, and 178.6 lbs heavier. At over 200 inches, the larger of the two is past the comfortable limit of a standard 192-inch single garage bay once you allow walking room.

Hyundai Ioniq 6 versus Lexus ES exterior dimensions
DimensionHyundai Ioniq 6 (2026)Lexus ES (2026)Difference
Length190.9 in202.4 in11.4 in
Width (excl. mirrors)74 in75.6 in1.6 in
Height59.1 in61.4 in2.4 in
Wheelbase116.1 in116.1 inidentical
Curb weight4,462 lbs4,641 lbs179 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.

Hyundai Ioniq 6 vs Lexus ES: what the numbers mean

Running cost over five years: at the EPA's 15,000-mile-a-year assumption the Hyundai Ioniq 6 burns about $550 of fuel annually against $600 for the Lexus ES. That $50 yearly gap compounds to roughly $250 over five years and $400 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 and highway economy: the Hyundai Ioniq 6 leads in both cycles — 153 mpg city and 127 mpg highway against 135 and 118 mpg — so its fuel-efficiency advantage holds whether you commute in traffic or cover long highway miles.

Powertrain choice: the Hyundai Ioniq 6 is recorded with no distinct engine configurations, the Lexus ES with 4 (SIDI & PFI; Hybrid, SIDI & PFI, 2.5). Across 16 recorded Hyundai Ioniq 6 configurations and 40 for the Lexus ES, the wider the engine spread the more the real-world fuel efficiency depends on which version you actually buy, so check the specific model year and drivetrain rather than the headline number.

Drivetrain and class: the Hyundai Ioniq 6 is offered with All-Wheel Drive, Rear-Wheel Drive, the Lexus ES with Front-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 Midsize Cars and Midsize Cars respectively — the class drives the interior volume, cargo space and passenger space each one is measured against.

Ioniq 6 vs ES: common questions

Which is better on gas, the Hyundai Ioniq 6 or the Lexus ES?

The Hyundai Ioniq 6 is the more efficient of the two: it reaches 140 mpg combined versus 127 mpg for the Lexus ES, a 13 mpg advantage and costs about $50 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Hyundai Ioniq 6 runs about $550 a year in fuel at its most efficient configuration, versus about $600 for the Lexus ES — a difference of roughly $50 per year.

What engines do the Ioniq 6 and ES offer?

Hyundai Ioniq 6: no engine data on record. Lexus ES: SIDI & PFI; Hybrid, SIDI & PFI, 2.5, 3.5.

Are they in the same vehicle class?

Yes — the EPA classifies both the Hyundai Ioniq 6 and the Lexus ES as Midsize Cars, so they compete directly.

More Ioniq 6 comparisons

More ES comparisons

Comparison id: hyundai-ioniq-6-vs-lexus-es