Makes›Lexus›GX›2020

2020 Lexus GX

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

Lexus GX
Pictured: 2024 Lexus GX 550 Luxury+, front 12.8.24. Photo: Kevauto, CC BY-SA 4.0, via Wikimedia Commons
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

Engine301 hp4.6L 8-cyl
Transmission6-speed automatic
DriveAWD/4WD
Seating7 seats · 3 rows

Trims

460 Premium460 Luxury460 Base

Safety & driver-assist features

Backup cameraStandard
Automatic high beamsStandard

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

BodyLengthWidthHeightWheelbaseTrack F / RCurb weightWeight F/R
460 4dr SUV 4WD192.1 in74 in74 in109.8 in62.2 / 62.2 in5,181 lb52/48

Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.

Will it fit your garage? Check with your measurements →

Engines, MPG & running costs

VersionEngineTransmissionDriveCity / Hwy / Combvs. classFuel / yrCO₂ g/mi
GX 4604.6L 8-cylAutomatic (S6)4-Wheel Drive15 / 19 / 16-15%$5,150542
2/10EPA fuel economy score (best version)
2/10EPA greenhouse gas score
Spend $13,750Fuel over 5 years vs. average new car
18.8 MPG2020 Standard Sport Utility Vehicle 4WD average

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

ModelBest MPG / rangeNHTSA overallRecalls
2020 Lexus GX (this car)16 MPGNot rated0
2020 Porsche Cayenne21 MPGNot rated6
2020 BMW X523 MPG★★★★★11
2020 Land Rover Defender19 MPGNot rated7
2020 BMW X327 MPG★★★★★16
2020 Lexus RX30 MPGNot rated2
2020 Audi Q721 MPGNot rated5

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

5Complaints to NHTSA since 2015
1Involved a crash
0Involved a fire
0Injuries reported
80,000 miTypical mileage at failure
Forward Collision Avoidance › Automatic Emergency Braking1
Forward Collision Avoidance › Warnings1
Back Over Prevention › Warnings1
Service Brakes1
Visibility › Defroster/Defogger/Hvac System1
Unknown Or Other1
Seat Belts1
Complaints received per month (last 24 months with reports)
21/02: 123/12: 125/02: 126/02: 126/09: 121/0223/1225/0226/0226/09max 1

Unverified owner reports; best-sellers collect more.

Used 2020 Lexus GX buyer's checklist

  1. Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
  2. Forward Collision Avoidance › Automatic Emergency Braking — 1 owner reports. Make sure driver-assist systems and the backup camera work without error messages.
  3. Forward Collision Avoidance › Warnings — 1 owner reports. Make sure driver-assist systems and the backup camera work without error messages.
  4. Back Over Prevention › Warnings — 1 owner reports. Make sure driver-assist systems and the backup camera work without error messages.
  5. Mileage to watch. Owners typically reported problems around 80,000 miles; ask what was repaired near that point.
  6. 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 →
YearMPG (best)LengthOverallRecallsComplaints
2026 GX17196.9 inNot rated02
2025 GX17196.9 inNot rated213
2024 GX17192.1 inNot rated420
2023 GX16192.1 inNot rated06
2022 GX16192.1 inNot rated07
2021 GX16192.1 inNot rated04
2019 GX16192.1 inNot rated18
2018 GX16192.1 inNot rated29
2017 GX16192.1 inNot rated315
2016 GX17192.1 inNot rated29
2015 GX17192.1 inNot rated311
2014 GX17192.1 inNot rated317

Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Lexus. How we calculate this →