2019 GMC Acadia vs. 2019 Lexus GX460

Detailed Review, Specifications & Comparison

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Safety

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 Acadia 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 Acadia 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.

For better protection of the passenger compartment, the Acadia uses safety cell construction with a three-dimensional high-strength frame that surrounds the passenger compartment. It provides extra impact protection and a sturdy mounting location for door hardware and side impact beams. The GX460 uses a body-on-frame design, which has no frame members above the floor of the vehicle.

Both the Acadia and the GX460 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, 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, around view monitors and rear cross-path warning.

For its top level performance in all IIHS frontal, side, rear impact and roof-crush tests, and with its optional front crash prevention system, the Insurance Institute for Highway Safety grants the Acadia the rating of “Top Pick” for 2017, a rating granted to only 154 vehicles tested by the IIHS. The GX460 has not been tested, yet.

Warranty

GMC pays for scheduled maintenance on the Acadia for 2 years and 24,000 miles. GMC will pay for oil changes, lubrication and any other required maintenance (up to 2 oil changes). Lexus only pays for the first scheduled maintenance visit on the GX460.

There are over 7 times as many GMC dealers as there are Lexus dealers, which makes it much easier should you ever need service under the Acadia’s warranty.

Reliability

A hardened steel chain, with no maintenance needs, drives the camshafts in the Acadia’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.

To reliably power the ignition and other systems and to recharge the battery, the Acadia has a standard 150-amp alternator (155-amp - Acadia V6 and 170 V6). The GX460’s 130-amp alternator isn’t as powerful.

Engine

The Acadia’s optional 3.6 DOHC V6 produces 9 more horsepower (310 vs. 301) than the GX460’s 4.6 DOHC V8.

As tested in Car and Driver the GMC Acadia V6 is faster than the Lexus GX460:

 

Acadia

GX460

Zero to 30 MPH

2.2 sec

2.5 sec

Zero to 60 MPH

6.1 sec

7.4 sec

Zero to 100 MPH

17.2 sec

21.5 sec

5 to 60 MPH Rolling Start

6.4 sec

7.6 sec

Passing 30 to 50 MPH

3.3 sec

3.7 sec

Passing 50 to 70 MPH

4.8 sec

5.1 sec

Quarter Mile

15 sec

15.8 sec

Speed in 1/4 Mile

94 MPH

89 MPH

Top Speed

131 MPH

111 MPH

Fuel Economy and Range

On the EPA test cycle the Acadia AWD V6 gets better fuel mileage than the GX460 (17 city/25 hwy vs. 15 city/18 hwy).

In heavy traffic or at stoplights the Acadia 4 cyl.’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The GX460 doesn’t offer an automatic engine start/stop system.

To lower fuel costs and make buying fuel easier, the GMC Acadia uses regular unleaded gasoline. The GX460 requires premium, which can cost 20 to 55 cents more per gallon.

The Acadia has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The GX460 doesn’t offer a cap-less fueling system.

Brakes and Stopping

The Acadia stops much shorter than the GX460:

 

Acadia

GX460

 

70 to 0 MPH

173 feet

184 feet

Car and Driver

Tires and Wheels

The Acadia’s optional tires provide better handling because they have a lower 55 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 Acadia offers optional 20-inch wheels. The GX460’s largest wheels are only 18-inches.

The Acadia 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 superior ride and handling, the GMC Acadia has fully independent front and rear suspensions. An independent suspension allows the wheels to follow the road at the best angle for gripping the pavement, without compromising ride comfort. The Lexus GX460 has a solid rear axle, with a non-independent rear suspension.

For a smoother ride and more stable handling, the Acadia’s wheelbase is 2.7 inches longer than on the GX460 (112.5 inches vs. 109.8 inches).

For better handling and stability, the track (width between the wheels) on the Acadia is 2.1 inches wider in the front and 2.1 inches wider in the rear than on the GX460.

The Acadia Denali AWD handles at .85 G’s, while the GX460 pulls only .74 G’s of cornering force in a Car and Driver skidpad test.

The Acadia SLT AWD executes Motor Trend’s “Figure Eight” maneuver 1.4 seconds quicker than the GX460 (26.9 seconds @ .67 average G’s vs. 28.3 seconds @ .58 average G’s).

For better maneuverability, the Acadia’s turning circle is 2.4 feet tighter than the GX460’s (38.7 feet vs. 41.1 feet).

Chassis

The GMC Acadia may be more efficient, handle and accelerate better because it weighs about 800 to 1150 pounds less than the Lexus GX460.

The Acadia is 7.8 inches shorter in height than the GX460, making the Acadia much easier to wash and garage and drive (lower center of gravity).

Unibody construction lowers the Acadia’s center of gravity significantly without reducing ground clearance. This contributes to better on the road handling and better off-road performance and stability. In addition, unibody construction makes the chassis stiffer, improving handling and reducing squeaks and rattles. The GX460 uses body-on-frame design instead.

The front grille of the Acadia FWD 4 cyl. 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.

The Acadia uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The GX460 doesn’t offer active noise cancellation.

As tested by Car and Driver while at idle, the interior of the Acadia Denali AWD is quieter than the GX460 (41 vs. 43 dB).

Passenger Space

The Acadia has 14.1 cubic feet more passenger volume than the GX460 (143.8 vs. 129.7).

The Acadia has 2.3 inches more front headroom, 4 inches more front shoulder room, 5.6 inches more rear legroom, 1.4 inches more rear shoulder room, 2 inches more third row headroom and 1.8 inches more third row legroom than the GX460.

The front step up height for the Acadia is 3.7 inches lower than the GX460 (18” vs. 21.7”). The Acadia’s rear step up height is 3 inches lower than the GX460’s (19” vs. 22”).

Cargo Capacity

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

 

Acadia

GX460

Behind Third Seat

12.8 cubic feet

11.6 cubic feet

Second Seat Folded

79 cubic feet

64.7 cubic feet

A low lift-over cargo hatch design makes loading and unloading the Acadia easier. The Acadia’s cargo hatch lift-over height is 32 inches, while the GX460’s liftover is 33.8 inches.

The Acadia’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 Acadia (except SL) offers an optional power liftgate, which opens and closes automatically by pressing a button, or on the Acadia Denali, by just kicking your foot under the back bumper, completely leaving your hands free. The GX460 doesn’t offer a power cargo door.

Ergonomics

The Acadia’s speed-sensitive wipers speed up when the vehicle does, so that the driver doesn’t have to continually adjust the speed of the wipers. The GX460’s standard manually variable intermittent wipers have to be constantly adjusted.

The Acadia’s power mirror controls are mounted on the armrest for easy access. The GX460’s power mirror controls are on the dash, hidden behind the steering wheel, where they are awkward to manipulate.

Model Availability

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

Economic Advantages

According to The Car Book by Jack Gillis, the Acadia is less expensive to operate than the GX460 because typical repairs cost much less on the Acadia than the GX460, including $6 less for a water pump, $133 less for a muffler, $380 less for a starter, $119 less for fuel injection, $82 less for a fuel pump, $81 less for a timing belt/chain and $45 less for a power steering pump.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the GMC Acadia will be $10252 to $16307 less than for the Lexus GX460.

Recommendations

The GMC Acadia outsold the Lexus GX460 by over three to one during 2018.

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

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