2020 Chevrolet Tahoe vs. 2019 Lexus GX460

Detailed Review, Specifications & Comparison

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Both the Tahoe and GX460 have child safety locks to prevent children from opening the rear doors. The Tahoe has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The GX460’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

In the past twenty years hundreds of infants and young children have died after being left in vehicles, usually by accident. When turning the vehicle off, drivers of the Tahoe are reminded to check the back seat if they opened the rear door before starting out. The GX460 doesn’t offer a back seat reminder.

The Tahoe has a standard front seat center airbag, which deploys between the driver and front passenger, protecting them from injuries caused by striking each other in serious side impacts. The GX460 doesn’t offer front seat center airbags.

Both the Tahoe and the GX460 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available all wheel drive, crash mitigating brakes, lane departure warning systems, blind spot warning systems, front parking sensors and rear cross-path warning.


There are over 12 times as many Chevrolet dealers as there are Lexus dealers, which makes it much easier should you ever need service under the Tahoe’s warranty.


A hardened steel chain, with no maintenance needs, drives the camshaft in the Tahoe’s engine. A rubber cam drive belt that needs periodic replacement drives the GX460’s camshafts. If the GX460’s belt breaks, the engine could be severely damaged when the pistons hit the opened valves.

The Tahoe has a standard “limp home system” to keep drivers from being stranded if most or all of the engine’s coolant is lost. The engine will run on only half of its cylinders at a time, reduce its power and light a warning lamp on the dashboard so the driver can get to a service station for repairs. The GX460 doesn’t offer a lost coolant limp home mode, so a coolant leak could strand you or seriously damage the truck’s engine.

To reliably power the ignition and other systems and to recharge the battery, the Tahoe has a standard 150-amp alternator (170-amp - Tahoe 6.2 V8). The GX460’s 130-amp alternator isn’t as powerful.

J.D. Power and Associates rated the Tahoe first among large SUVs in their 2019 Initial Quality Study. The GX460 isn’t in the top three in its category.

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Chevrolet vehicles are better in initial quality than Lexus vehicles. J.D. Power ranks Chevrolet 6th in initial quality, above the industry average. With 5 more problems per 100 vehicles, Lexus is ranked 8th.


The Tahoe’s standard 5.3 V8 produces 54 more horsepower (355 vs. 301) and 54 lbs.-ft. more torque (383 vs. 329) than the GX460’s 4.6 DOHC V8. The Tahoe’s optional 6.2 V8 produces 119 more horsepower (420 vs. 301) and 131 lbs.-ft. more torque (460 vs. 329) than the GX460’s 4.6 DOHC V8.

As tested in Car and Driver the Chevrolet Tahoe 5.3 V8 is faster than the Lexus GX460:



Zero to 30 MPH

2.3 sec

2.5 sec

Zero to 60 MPH

6.7 sec

7.4 sec

Zero to 100 MPH

18.1 sec

21.5 sec

5 to 60 MPH Rolling Start

7.4 sec

7.6 sec

Passing 50 to 70 MPH

4.8 sec

5.1 sec

Quarter Mile

15.2 sec

15.8 sec

Speed in 1/4 Mile

92 MPH

89 MPH

Top Speed

114 MPH

111 MPH

Fuel Economy and Range

On the EPA test cycle the Tahoe gets better fuel mileage than the GX460:




5.3 V8

15 city/22 hwy

6.2 V8

14 city/23 hwy


5.3 V8

15 city/21 hwy

6.2 V8

14 city/22 hwy



4.6 V8

15 city/18 hwy

An engine control system that can shut down half of the engine’s cylinders helps improve the Tahoe’s fuel efficiency. The GX460 doesn’t offer a system that can shut down part of the engine.

To lower fuel costs and make buying fuel easier, the Chevrolet Tahoe uses regular unleaded gasoline (premium recommended with the 6.2 V8 engine for maximum performance). The GX460 requires premium, which can cost 20 to 55 cents more per gallon.

The Tahoe has 3 gallons more fuel capacity than the GX460 (26 vs. 23 gallons), for longer range between fill-ups.


A 10-speed automatic is standard on the Chevrolet Tahoe EcoTec3 6.2 V8, for better acceleration and lower engine speed on the highway. Only a six-speed automatic is available for the GX460.

Brakes and Stopping

The Tahoe stops shorter than the GX460:



70 to 0 MPH

176 feet

184 feet

Car and Driver

60 to 0 MPH (Wet)

140 feet

143 feet

Consumer Reports

Tires and Wheels

For better traction, the Tahoe’s optional tires are larger than the largest tires available on the GX460 (285/45R22 vs. 265/60R18).

The Tahoe’s optional tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the GX460’s 60 series tires.

For better ride, handling and brake cooling the Tahoe offers optional 22-inch wheels. The GX460’s largest wheels are only 18-inches.

The Tahoe has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The GX460 doesn’t offer vehicle monitored tire inflation.

Suspension and Handling

For a smoother ride and more stable handling, the Tahoe’s wheelbase is 6.2 inches longer than on the GX460 (116 inches vs. 109.8 inches).

For better handling and stability, the track (width between the wheels) on the Tahoe is 6.3 inches wider in the front and 6.3 inches wider in the rear than on the GX460.

The Tahoe Premier 4x4 handles at .79 G’s, while the GX460 pulls only .74 G’s of cornering force in a Car and Driver skidpad test.

The Tahoe LT executes Motor Trend’s “Figure Eight” maneuver quicker than the GX460 (27.9 seconds @ .72 average G’s vs. 28.3 seconds @ .58 average G’s).

For better maneuverability, the Tahoe’s turning circle is 2.1 feet tighter than the GX460’s (39 feet vs. 41.1 feet).


The front grille of the Tahoe uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The GX460 doesn’t offer active grille shutters.

As tested by Car and Driver, the interior of the Tahoe Premier 4x4 is quieter than the GX460:



At idle

39 dB

43 dB


71 dB

73 dB

70 MPH Cruising

66 dB

66 dB

Passenger Space

The Tahoe offers optional seating for 9 passengers; the GX460 can only carry 7.

The Tahoe has 4.8 inches more front headroom, 3.6 inches more front legroom, 4.3 inches more front hip room, 9.4 inches more front shoulder room, 4.9 inches more rear legroom, 5.1 inches more rear hip room, 7.8 inches more rear shoulder room, 2.9 inches more third row headroom, 6.2 inches more third row hip room and 8.1 inches more third row shoulder room than the GX460.

Cargo Capacity

The Tahoe’s cargo area provides more volume than the GX460.



Behind Third Seat

15.3 cubic feet

11.6 cubic feet

Third Seat Folded

51.7 cubic feet

46.7 cubic feet

Second Seat Folded

94.7 cubic feet

64.7 cubic feet

The Tahoe’s cargo area is larger than the GX460’s in almost every dimension:



Length to seat (3rd/2nd/1st)



Min Width






Pressing a switch automatically lowers the Tahoe’s optional second and third row seats (not available on LS), to make changing between passengers and cargo easier. The GX460 doesn’t offer automatic folding second row seats.

The Tahoe’s liftgate lifts up in one piece, completely out of the way of loading and unloading, while sheltering the cargo loading area. The GX460’s swing out door blocks loading from the passenger’s side.

To make loading and unloading groceries and cargo easier, especially for short adults, the Tahoe LT/Premier has a standard power liftgate, which opens and closes automatically by pressing a button, or optionally by just kicking your foot under the back bumper, completely leaving your hands free. The GX460 doesn’t offer a power cargo door.

Payload and Towing

Maximum trailer towing in the Lexus GX460 is limited to 6500 pounds. The Tahoe offers up to a 8600 lbs. towing capacity.

The Tahoe has a much higher standard payload capacity than the GX460 (1670 vs. 1295 lbs.).

The Tahoe has a much higher maximum payload capacity than the GX460 (1720 vs. 1295 lbs.).


The Tahoe’s instruments include an oil pressure gauge and a temperature gauge - which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The GX460 does not have an oil pressure gauge.

The Tahoe Premier offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The GX460 doesn’t offer a heads-up display.

The Tahoe’s power window, power lock, power mirror and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The GX460’s cruise control switches are unlit, making them difficult to find at night and operate safely.

The Tahoe’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The GX460’s standard manually variable intermittent wipers have to be constantly adjusted.

The Tahoe’s power mirror controls are mounted on the armrest for easy access. The GX460’s power mirror controls are on the dash where they are possibly hidden by the steering wheel and are awkward to manipulate.

Model Availability

The Tahoe is available in both rear-wheel drive and four-wheel drive configurations. The GX460 doesn’t offer a two-wheel drive configuration.

Economic Advantages

Insurance will cost less for the Tahoe owner. The Complete Car Cost Guide estimates that insurance for the Tahoe will cost $680 to $1315 less than the GX460 over a five-year period.

According to The Car Book by Jack Gillis, the Tahoe is less expensive to operate than the GX460 because typical repairs cost much less on the Tahoe than the GX460, including $466 less for a starter, $58 less for fuel injection, $12 less for a timing belt/chain and $724 less for a power steering pump.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Chevrolet Tahoe will be $3228 to $6189 less than for the Lexus GX460.


The Chevrolet Tahoe outsold the Lexus GX460 by almost four to one during 2018.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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