DecodedCars2020 Genesis G80
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2020 models.
- Class
- Large Cars
- Body styles
- 4dr Sedan AWD 3.8, 4dr Sedan AWD 5.0
- Engines
- 3.8L 6-cyl, 3.3L 6-cyl turbo, 5.0L 8-cyl
- Drivetrain
- Rear-Wheel Drive, All-Wheel Drive
- Fuel
- Regular Gasoline, Premium Gasoline
- MPG (best)
- 21 combined · 18 city / 26 hwy
- Length
- 196.5 in
- Curb weight
- 4,295–4,687 lb
- NHTSA rating
- ★★★★★
- Recalls
- 3 campaigns
Pros & cons
What's good
- AWD / 4WD available
- 5-star NHTSA safety ratingTop overall score in federal crash tests.
Watch out for
- "Park outside" recallCheck that the recall repair was done before buying or driving.
Calculated from EPA, NHTSA and vPIC data against 28 similar 2020 models — not a review. How we calculate this →
Overview
The 2020 Genesis G80 is a large car offered with 3 engines (3.8L 6-cyl, 3.3L 6-cyl turbo and 5.0L 8-cyl) and rear-wheel drive and all-wheel drive.
It measures about 197 inches long and 75 inches wide on a 119-inch wheelbase, with a curb weight of roughly 4,295 lb (4dr Sedan AWD 3.8).
EPA rates its most efficient version at 21 MPG combined (18 city / 26 highway), 10% worse than the 2020 large car average of 23.3 MPG, for an estimated $3,200 a year in fuel.
In NHTSA crash testing it earned the top 5-star overall rating.
It has 3 recall campaigns on file and owners have filed 11 complaints with NHTSA since 2015, most often about the unknown or other.
What changed for 2020
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2019 G80 — a carry-over year in the data.
Compared with 2019; trim, feature and price changes aren't covered. See the 2019 G80 →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| 4dr Sedan AWD 3.8 | 196.5 in | 74.8 in | 57.9 in | 118.5 in | 64.6 / 65.7 in | 4,295 lb | 52/48 |
| 4dr Sedan AWD 5.0 | 196.5 in | 74.8 in | 57.9 in | 118.5 in | 64.6 / 65.7 in | 4,687 lb | 52/48 |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| G80 RWD | 3.8L 6-cyl | Automatic (S8) | Rear-Wheel Drive | 18 / 26 / 21 | -10% | $3,200 | 423 |
| G80 AWD | 3.8L 6-cyl | Automatic (S8) | All-Wheel Drive | 18 / 24 / 20 | -14% | $3,350 | 445 |
| G80 AWD | 3.3L 6-cyl turbo | Automatic (S8) | All-Wheel Drive | 17 / 24 / 20 | -14% | $4,100 | 453 |
| G80 RWD | 3.3L 6-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 17 / 25 / 20 | -14% | $4,100 | 442 |
| G80 RWD | 5.0L 8-cyl | Automatic (S8) | Rear-Wheel Drive | 16 / 24 / 19 | -18% | $4,350 | 474 |
| G80 AWD | 5.0L 8-cyl | Automatic (S8) | All-Wheel Drive | 15 / 23 / 18 | -23% | $4,550 | 503 |
EPA estimates; "vs. class" is combined MPG against the 2020 EPA class average. How we calculate this →
Safety ratings & technology
| Version | Overall | Frontal | Driver / passenger | Side | Side pole | Rollover | Rollover risk |
|---|---|---|---|---|---|---|---|
| 2020 Genesis G80 4DR RWD | ★★★★★ | ★★★★★ | 5★ / 5★ | ★★★★★ | ★★★★★ | ★★★★★ | 9.5% |
| 2020 Genesis G80 4DR AWD | ★★★★★ | ★★★★★ | 5★ / 5★ | ★★★★★ | ★★★★★ | ★★★★★ | 9.5% |
Similar 2020 large cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2020 Genesis G80 (this car) | 21 MPG | ★★★★★ | 3 |
| 2020 BMW 5 Series | 28 MPG | Not rated | 0 |
| 2020 Mercedes-Benz E-Class | 26 MPG | ★★★★★ | 0 |
| 2020 Mercedes-Benz C-Class | 28 MPG | Not rated | 0 |
| 2020 Audi A6 | 27 MPG | ★★★★★ | 9 |
| 2020 Lexus LS | 28 MPG | Not rated | 2 |
| 2020 Lincoln Continental | 21 MPG | ★★★★★ | 2 |
Recalls (3)
Seats › Front Assembly › Power Adjust · Oct 8, 2026 Park outside
NHTSA campaign 26V664000 · 94,622 vehicles
- Problem
- Hyundai Motor America (Genesis) is recalling certain 2015-2016 Hyundai Genesis, and 2017-2020 Genesis G80 vehicles. The front power seat motors may overheat due to a stuck power seat control switch, which can result in a fire while parked or driving.
- Risk
- A fire increases the risk of injury.
- Fix
- Owners are advised to park their vehicles outdoors and away from other vehicles or structures until the repair has been performed. The remedy is currently under development. Owner notification letters are expected to be mailed December 7, 2026. Owners of Hyundai vehicles may contact Hyundai customer service at 1-855-371-9460. Genesis owners may contact Genesis customer service at 844-340-9741. Hyundai recall number for this recall is 308 and Genesis' recall number is 035G. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov beginning October 13, 2026.
Engine And Engine Cooling › Engine › Gasoline › Turbo/Supercharger · Mar 8, 2024
NHTSA campaign 24V191000 · 28,439 vehicles
- Problem
- Hyundai Motor America (Hyundai) is recalling certain 2018-2020 Genesis G80, 2017-2022 G90, and 2019-2022 G70 vehicles equipped with a 3.3-liter V6 turbocharged engine. The left turbocharger oil feed pipe may deteriorate and leak oil.
- Risk
- An oil leak in the presence of hot engine components can increase the risk of an engine compartment fire.
- Fix
- Dealers will replace the left turbocharger oil feed pipe, free of charge. Owner notification letters were mailed May 3, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 019G. This recall expands and replaces recall number 19V-538. Vehicles previously repaired under 19V-538 will need to have the new remedy completed.
Service Brakes, Hydraulic › Antilock/Traction Control/Electronic Limited Slip › Control Unit/Module · Mar 10, 2021 Park outside
NHTSA campaign 21V160000 · 94,646 vehicles
- Problem
- Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Genesis and 2017-2020 Genesis G80 vehicles. The Anti-Lock Brake System (ABS) module could malfunction and short circuit.
- Risk
- An electrical short circuit inside the ABS module could cause an engine compartment fire while parked or driving.
- Fix
- Owners are advised to park outside and away from structures until the remedy is complete. Hyundai will notify owners, and dealers will replace the ABS module fuse, free of charge. Owner notification letters were mailed July 6, 2021. Owners can contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 201 and 006G.
Not every 2020 Genesis G80 is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2020 Genesis G80 buyer's checklist
- Run the VIN at nhtsa.gov/recalls. 3 recalls this year — ask for proof of repairs.
- Safety-critical recall. At least one recall carries a "Do Not Drive" or "Park Outside" warning. Do not buy until the VIN shows it was repaired.
- Service Brakes — 3 owner reports. Brake firmly from speed; check for pulling, pulsing pedal or ABS warning light.
- Electrical System — 2 owner reports. Test every window, lock, light, screen and USB port; check the battery age.
- Tires — 1 owner reports. Ask the seller and mechanic specifically about this system.
- Mileage to watch. Owners typically reported problems around 12,000 miles; ask what was repaired near that point.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2020 Genesis G80. Not a substitute for a professional inspection.
Other G80 years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2027 G80 | 23 | – | Not rated | 1 | 0 |
| 2026 G80 | 23 | 196.5 in | Not rated | 1 | 9 |
| 2025 G80 | 24 | 196.5 in | ★★★★★ | 2 | 3 |
| 2024 G80 | 25 | 196.5 in | ★★★★★ | 2 | 3 |
| 2023 G80 | 26 | 196.5 in | ★★★★★ | 5 | 11 |
| 2022 G80 | 26 | 196.5 in | ★★★★★ | 4 | 7 |
| 2021 G80 | 26 | 196.5 in | ★★★★★ | 4 | 9 |
| 2019 G80 | 21 | 196.5 in | ★★★★★ | 4 | 27 |
| 2018 G80 | 22 | 196.5 in | ★★★★★ | 7 | 98 |
| 2017 G80 | 22 | 196.5 in | Not rated | 3 | 67 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Genesis. How we calculate this →