2020 Acura TLX vs. 2019 Kia K900

Detailed Review, Specifications & Comparison

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Safety

The TLX offers optional AcuraLink, which uses a global positioning satellite (GPS) receiver and a cellular system to get turn-by-turn driving directions, remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The K900 doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.

Both the TLX and the K900 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras, available blind spot warning systems, around view monitors and rear cross-path warning.

Warranty

The TLX’s 5 year corrosion warranty has no mileage limitations, but the corrosion warranty on the K900 runs out after 100,000 miles.

Fuel Economy and Range

On the EPA test cycle the TLX gets better fuel mileage than the K900:

MPG

TLX

FWD

2.4 DOHC 4-cyl.

23 city/33 hwy

A-Spec 2.4 DOHC 4-cyl.

23 city/32 hwy

3.5 SOHC V6

20 city/31 hwy

A-Spec 3.5 SOHC V6

20 city/30 hwy

AWD

3.5 SOHC V6

20 city/29 hwy

K900

AWD

3.3 turbo V6

18 city/25 hwy

An engine control system that can shut down half of the engine’s cylinders helps improve the TLX V6’s fuel efficiency. The K900 doesn’t offer a system that can shut down part of the engine.

The TLX 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 K900 doesn’t offer a cap-less fueling system.

Transmission

A nine-speed automatic is standard on the Acura TLX V6, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the K900.

The TLX offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The K900 doesn’t offer an SMG or a conventional manual transmission.

Tires and Wheels

The TLX A-Spec’s tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the K900’s 45 series front tires.

The TLX 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 K900 doesn’t offer vehicle monitored tire inflation.

Chassis

The Acura TLX may be more efficient, handle and accelerate better because it weighs about 800 to 1150 pounds less than the Kia K900.

The TLX is 10.9 inches shorter than the K900, making the TLX easier to handle, maneuver and park in tight spaces.

The TLX uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The K900 doesn’t offer active noise cancellation.

Cargo Capacity

The TLX’s standard rear seats fold to accommodate long and bulky cargo. The K900 doesn’t offer folding rear seats, only a ski pass-through.

Servicing Ease

J.D. Power and Associates surveys of service recipients show that Acura service is better than Kia. J.D. Power ranks Acura 6th in service department satisfaction (above the industry average). With a 41% lower rating, Kia is ranked 20th.

Model Availability

The TLX is available in both front-wheel drive and all-wheel drive configurations. The K900 doesn’t offer a two-wheel drive configuration.

Recommendations

The Car Book by Jack Gillis recommends the Acura TLX, based on economy, maintenance, safety and complaint levels. The Kia K900 isn't recommended.

The Acura TLX outsold the Kia K900 by over 86 to one during 2018.

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

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