Genesis G80 vs Nissan LEAF: Specs Compared
Also searched as Nissan LEAF vs Genesis G80 specs — both orientations show this same side-by-side comparison.
The Nissan LEAF is the more efficient of the two: it reaches 121 mpg combined versus 97 mpg for the Genesis G80, a 24 mpg advantage and costs about $100 less per year to fuel.
Across 4 measured categories, the Nissan LEAF leads in 4. Figures are EPA test data, not manufacturer claims.
Head-to-head specifications
| Metric | Genesis G80 | Nissan LEAF |
|---|---|---|
| Best combined MPG | 97 mpg | 121 mpg ✓ |
| Best city MPG | 105 mpg | 131 mpg ✓ |
| Best highway MPG | 93 mpg | 111 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $750 | $650 ✓ |
| Lowest CO2 output | 345 g/mi | Not available |
| Engines offered | SIDI & PFI, SIDI | Not available |
| Transmissions | Automatic (S8), Automatic (A1) | Automatic (A1) |
| Drivetrains | All-Wheel Drive, Rear-Wheel Drive | Front-Wheel Drive |
| Fuel types | Premium, Electricity, Regular | Electricity |
| EPA class | Large Cars | Midsize Cars |
| Years covered | 2017–2027 | 2015–2026 |
| Configurations on record | 43 | 26 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Genesis G80 vs Nissan LEAF dimensions and size
The Genesis G80 is 22.8 inches longer than the Nissan LEAF on a wheelbase 12.6 inches longer, and 81.6 lbs heavier. Both clear the roughly 200 inches of usable length in a standard single garage bay.
| Dimension | Genesis G80 (2026) | Nissan LEAF (2026) | Difference |
|---|---|---|---|
| Length | 196.5 in | 173.6 in | 22.8 in |
| Width (excl. mirrors) | 75.6 in | 71.3 in | 4.3 in |
| Height | 57.9 in | 61.4 in | 3.5 in |
| Wheelbase | 118.5 in | 105.9 in | 12.6 in |
| Curb weight | 4,295 lbs | 4,213 lbs | 82 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.
Genesis G80 vs Nissan LEAF: what the numbers mean
Running cost over five years: at the EPA's 15,000-mile-a-year assumption the Nissan LEAF burns about $650 of fuel annually against $750 for the Genesis G80. That $100 yearly gap compounds to roughly $500 over five years and $800 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 Nissan LEAF leads in both cycles — 131 mpg city and 111 mpg highway against 105 and 93 mpg — so its fuel-efficiency advantage holds whether you commute in traffic or cover long highway miles.
Powertrain choice: the Genesis G80 is recorded with 2 distinct engine configurations (SIDI & PFI, SIDI), the Nissan LEAF with no. Across 43 recorded Genesis G80 configurations and 26 for the Nissan LEAF, 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 Genesis G80 is offered with All-Wheel Drive, Rear-Wheel Drive, the Nissan LEAF with Front-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 Large Cars and Midsize Cars respectively — the class drives the interior volume, cargo space and passenger space each one is measured against.
G80 vs LEAF: common questions
Which is better on gas, the Genesis G80 or the Nissan LEAF?
The Nissan LEAF is the more efficient of the two: it reaches 121 mpg combined versus 97 mpg for the Genesis G80, a 24 mpg advantage and costs about $100 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Nissan LEAF runs about $650 a year in fuel at its most efficient configuration, versus about $750 for the Genesis G80 — a difference of roughly $100 per year.
What engines do the G80 and LEAF offer?
Genesis G80: SIDI & PFI, SIDI. Nissan LEAF: no engine data on record.
Are they in the same vehicle class?
The EPA classifies the Genesis G80 as Large Cars and the Nissan LEAF as Midsize Cars, so they aren't a like-for-like match on size.
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Comparison id: genesis-g80-vs-nissan-leaf