2020 Lexus GX
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2020 models.

- Class
- Standard Sport Utility Vehicle 4WD
- Body styles
- 460 4dr SUV 4WD
- Engines
- 4.6L 8-cyl
- Horsepower
- 301 hp
- Transmission
- 6-speed automatic
- Drivetrain
- 4-Wheel Drive
- Seats
- 7
- Fuel
- Premium Gasoline
- MPG (best)
- 16 combined · 15 city / 19 hwy
- Length
- 192.1 in
- Curb weight
- 5,181 lb
- NHTSA rating
- Not rated
- Recalls
- 0 campaigns
Pros & cons
What's good
- Seats up to 73 rows of seating.
- Few owner complaints5 complaints filed with NHTSA versus about 24 for similar models.
- No recalls so far
Watch out for
- Below-average fuel economyBest version gets 16 MPG combined, 15% below the 2020 standard SUV average of 18.8 MPG.
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
- Modest powerUp to 301 hp, versus about 402 hp for similar 2020 models.
Calculated from EPA, NHTSA and vPIC data against 29 similar 2020 models — not a review. How we calculate this →
Overview
The 2020 Lexus GX is a standard SUV offered with a 4.6L 8-cyl engine and 4-wheel drive.
It measures about 192 inches long and 74 inches wide on a 110-inch wheelbase, with a curb weight of roughly 5,181 lb.
EPA rates its most efficient version at 16 MPG combined (15 city / 19 highway), 15% worse than the 2020 standard SUV average of 18.8 MPG, for an estimated $5,150 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
It has 0 recall campaigns on file and owners have filed 5 complaints with NHTSA since 2015, most often about the forward collision avoidance.
What changed for 2020
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2019 GX — a carry-over year in the data.
Compared with 2019; trim, feature and price changes aren't covered. See the 2019 GX →
Trims, performance & features
Trims
Safety & driver-assist features
Built in: Tahara, Aichi
NHTSA vPIC, as reported by the manufacturer for 3 2020 GX configurations; may not list every trim. How we calculate this →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| 460 4dr SUV 4WD | 192.1 in | 74 in | 74 in | 109.8 in | 62.2 / 62.2 in | 5,181 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 |
|---|---|---|---|---|---|---|---|
| GX 460 | 4.6L 8-cyl | Automatic (S6) | 4-Wheel Drive | 15 / 19 / 16 | -15% | $5,150 | 542 |
EPA estimates; "vs. class" is combined MPG against the 2020 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2020 Lexus GX.
Similar 2020 standard SUVs
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2020 Lexus GX (this car) | 16 MPG | Not rated | 0 |
| 2020 Porsche Cayenne | 21 MPG | Not rated | 6 |
| 2020 BMW X5 | 23 MPG | ★★★★★ | 11 |
| 2020 Land Rover Defender | 19 MPG | Not rated | 7 |
| 2020 BMW X3 | 27 MPG | ★★★★★ | 16 |
| 2020 Lexus RX | 30 MPG | Not rated | 2 |
| 2020 Audi Q7 | 21 MPG | Not rated | 5 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2020 Lexus GX.
Check your VIN for open recalls at NHTSA ↗Not every 2020 Lexus GX is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2020 Lexus GX buyer's checklist
- Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
- Forward Collision Avoidance › Automatic Emergency Braking — 1 owner reports. Make sure driver-assist systems and the backup camera work without error messages.
- Forward Collision Avoidance › Warnings — 1 owner reports. Make sure driver-assist systems and the backup camera work without error messages.
- Back Over Prevention › Warnings — 1 owner reports. Make sure driver-assist systems and the backup camera work without error messages.
- Mileage to watch. Owners typically reported problems around 80,000 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 Lexus GX. Not a substitute for a professional inspection.
Other GX years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2026 GX | 17 | 196.9 in | Not rated | 0 | 2 |
| 2025 GX | 17 | 196.9 in | Not rated | 2 | 13 |
| 2024 GX | 17 | 192.1 in | Not rated | 4 | 20 |
| 2023 GX | 16 | 192.1 in | Not rated | 0 | 6 |
| 2022 GX | 16 | 192.1 in | Not rated | 0 | 7 |
| 2021 GX | 16 | 192.1 in | Not rated | 0 | 4 |
| 2019 GX | 16 | 192.1 in | Not rated | 1 | 8 |
| 2018 GX | 16 | 192.1 in | Not rated | 2 | 9 |
| 2017 GX | 16 | 192.1 in | Not rated | 3 | 15 |
| 2016 GX | 17 | 192.1 in | Not rated | 2 | 9 |
| 2015 GX | 17 | 192.1 in | Not rated | 3 | 11 |
| 2014 GX | 17 | 192.1 in | Not rated | 3 | 17 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Lexus. How we calculate this →