2021 Kia Sedona vs. 2020 GMC Acadia

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/08/05

The Sedona has standard Active Headrests, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Active Headrests system moves the headrests forward to prevent neck and spine injuries. The Acadia doesn’t offer a whiplash protection system.

The Sedona (except LX)’s optional driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Acadia doesn’t offer a driver alert monitor.

Both the Sedona and the Acadia have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, front wheel drive, height adjustable front shoulder belts, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, rearview cameras, available crash mitigating brakes, lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Kia Sedona is safer than the GMC Acadia:

Sedona

Acadia

Passenger

STARS

5 Stars

4 Stars

HIC

207

403

Chest Compression

.3 inches

.6 inches

Neck Compression

60 lbs.

186 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

The National Highway Traffic Safety Administration does side impact tests on new vehicles. In this test, which crashes the vehicle into a flat barrier at 38.5 MPH and into a post at 20 MPH, results indicate that the Kia Sedona is safer than the GMC Acadia:

Sedona

Acadia

Front Seat

STARS

5 Stars

5 Stars

HIC

29

106

Chest Movement

.6 inches

.9 inches

Abdominal Force

98 G’s

155 G’s

Rear Seat

STARS

5 Stars

5 Stars

HIC

131

263

Hip Force

660 lbs.

896 lbs.

Into Pole

STARS

5 Stars

5 Stars

HIC

256

319

Hip Force

619 lbs.

673 lbs.

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

Warranty

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/08/05

The Sedona comes with a full 5-year/60,000-mile basic warranty, which covers the entire van and includes 24-hour roadside assistance. The Acadia’s 3-year/36,000-mile basic warranty expires 2 years and 24,000 miles sooner.

Kia’s powertrain warranty covers the Sedona 5 years and 40,000 miles longer than GMC covers the Acadia. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the Acadia ends after only 5 years or 60,000 miles.

Reliability

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A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the Sedona’s reliability 17 points higher than the Acadia.

J.D. Power and Associates rated the Sedona first among minivans in their 2020 Initial Quality Study. The Acadia isn’t in the top three in its category.

J.D. Power and Associates’ 2020 Initial Quality Study of new car owners surveyed provide the statistics that show that Kia vehicles are better in initial quality than GMC vehicles. J.D. Power ranks Kia first in initial quality, above the industry average. With 15 more problems per 100 vehicles, GMC is ranked 8th.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Kia vehicles are more reliable than GMC vehicles. J.D. Power ranks Kia 10th in reliability, above the industry average. With 35 more problems per 100 vehicles, GMC is ranked 22nd.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Kia vehicles are more reliable than GMC vehicles. Consumer Reports ranks Kia 13 places higher in reliability than GMC.

Engine

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/08/05

The Sedona’s 3.3 DOHC V6 produces 83 more horsepower (276 vs. 193) and 60 lbs.-ft. more torque (248 vs. 188) than the Acadia’s standard 2.5 DOHC 4-cylinder. The Sedona’s 3.3 DOHC V6 produces 46 more horsepower (276 vs. 230) than the Acadia’s optional 2.0 turbo 4-cylinder.

Fuel Economy and Range

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To lower fuel costs and make buying fuel easier, the Kia Sedona uses regular unleaded gasoline. The Acadia with the 2.0 turbo 4-cylinder engine requires premium for maximum efficiency, which can cost 20 to 55 cents more per gallon.

The Sedona has 1.7 gallons more fuel capacity than the Acadia FWD’s standard fuel tank (21.1 vs. 19.4 gallons), for longer range between fill-ups.

Brakes and Stopping

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/08/05

The Sedona stops shorter than the Acadia:

Sedona

Acadia

70 to 0 MPH

167 feet

173 feet

Car and Driver

60 to 0 MPH

118 feet

126 feet

Motor Trend

Suspension and Handling

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For a smoother ride and more stable handling, the Sedona’s wheelbase is 8 inches longer than on the Acadia (120.5 inches vs. 112.5 inches).

For better handling and stability, the average track (width between the wheels) on the Sedona is 4.1 inches wider in the front and 4.4 inches wider in the rear than the track on the Acadia.

For better maneuverability, the Sedona’s turning circle is 1 foot tighter than the Acadia’s (37.7 feet vs. 38.7 feet).

Passenger Space

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The Sedona offers optional seating for 8 passengers; the Acadia can only carry up to 7.

The Sedona has 3.6 inches more front hip room, 4.5 inches more front shoulder room, 1.4 inches more rear legroom, 12.8 inches more rear hip room and 4.4 inches more rear shoulder room than the Acadia AT4.

The Sedona has 3.6 inches more front hip room, 4.5 inches more front shoulder room, 1.4 inches more rear legroom, 12.8 inches more rear hip room, 4.4 inches more rear shoulder room, 1.7 inches more third row headroom, 5.1 inches more third row legroom, 7.1 inches more third row hip room and 5.1 inches more third row shoulder room than the Acadia.

For enhanced passenger comfort on long trips the Sedona’s middle and third row seats recline. The Acadia’s third row seats don’t recline.

The front step up height for the Sedona is 1.7 inches lower than the Acadia (16.3” vs. 18”). The Sedona’s rear step up height is .2 inches lower than the Acadia’s (18.8” vs. 19”).

Cargo Capacity

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

Sedona

Acadia

Behind Third Seat

33.9 cubic feet

12.8 cubic feet

Third Seat Folded

78.4 cubic feet

41.7 cubic feet

Second Seat Folded

142 cubic feet

79 cubic feet

A low lift-over cargo hatch design makes loading and unloading the Sedona easier. The Sedona’s cargo hatch lift-over height is 26 inches, while the Acadia’s liftover is 32 inches.

The Sedona’s cargo area is larger than the Acadia’s in almost every dimension:

Sedona

Acadia AT4

Acadia

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

22.5”/55.3”/91”

n.a./48”/83”

18.5”/48”/83”

Max Width

50”

50”

50”

Min Width

48”

42.5”

42.5”

Height

45.1”

33”

33”

The Sedona has a standard Sinking Seat third row seat, which folds flat into the floor. This completely clears a very large cargo area quickly. The Acadia doesn’t offer seats that fold into the floor.

A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the Sedona. The Acadia doesn’t offer locking storage for small valuables.

Towing

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The Sedona’s standard towing capacity is much higher than the Acadia’s (3500 vs. 1000 pounds).

Ergonomics

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The Sedona’s optional front and rear power windows all open or close fully with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The Acadia’s rear power window switches have to be held the entire time to open them fully. Only its driver’s window opens automatically.

The Sedona has a standard locking fuel door with a remote release located convenient to the driver. A locking fuel door helps prevent vandalism, such as sugar in the tank and fuel theft. The Acadia doesn’t offer a locking fuel door.

To help drivers see further while navigating curves, the Sedona (except LX) has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The Acadia doesn’t offer cornering lights.

Economic Advantages

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Insurance will cost less for the Sedona owner. The Complete Car Cost Guide estimates that insurance for the Sedona will cost $640 less than the Acadia over a five-year period.

According to The Car Book by Jack Gillis, the Sedona is less expensive to operate than the Acadia because it costs $218 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the Sedona than the Acadia, including $157 less for a water pump, $73 less for a muffler, $127 less for front brake pads, $144 less for a starter, $121 less for a fuel pump, $420 less for a timing belt/chain and $919 less for a power steering pump.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Kia Sedona will be $837 to $5631 less than for the GMC Acadia.

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

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