2019 Mazda 6 vs. 2019 Acura ILX

Detailed Review, Specifications & Comparison

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Safety

The Mazda 6 Signature has a standard 360-degree View Monitor to allow the driver to see objects all around the vehicle on a screen. The ILX only offers a rear monitor.

Both the Mazda 6 and the ILX 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, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems and rearview cameras.

The National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Mazda 6 is safer than the Acura ILX:

 

Mazda 6

ILX

OVERALL STARS

5 Stars

4 Stars

 

Driver

STARS

5 Stars

5 Stars

HIC

130

227

Neck Injury Risk

23%

26%

Neck Compression

24 lbs.

56 lbs.

Leg Forces (l/r)

43/70 lbs.

57/324 lbs.

 

Passenger

STARS

4 Stars

4 Stars

Chest Compression

.4 inches

.5 inches

Neck Stress

133 lbs.

166 lbs.

Leg Forces (l/r)

335/150 lbs.

768/623 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 Mazda 6 is safer than the Acura ILX:

 

Mazda 6

ILX

 

Front Seat

STARS

5 Stars

5 Stars

HIC

154

234

Hip Force

437 lbs.

487 lbs.

 

Rear Seat

STARS

5 Stars

5 Stars

Hip Force

380 lbs.

699 lbs.

 

Into Pole

STARS

5 Stars

5 Stars

HIC

271

299

Spine Acceleration

36 G’s

56 G’s

Hip Force

671 lbs.

945 lbs.

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

For its top level performance in IIHS driver-side small overlap frontal, moderate overlap frontal, side impact, rear impact and roof-crush tests, with its optional front crash prevention system, its “Good” rating in the new passenger-side small overlap crash test, and its available headlight’s “Acceptable” rating, the Insurance Institute for Highway Safety grants the Mazda 6 the rating of “Top Pick” for 2019, a rating granted to only 62 vehicles tested by the IIHS. The ILX was last qualified as a “Top Pick” in 2017.

Warranty

There are over 2 times as many Mazda dealers as there are Acura dealers, which makes it much easier should you ever need service under the 6’s warranty.

Reliability

J.D. Power and Associates’ 2018 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Mazda vehicles are more reliable than Acura vehicles. J.D. Power ranks Mazda 14th in reliability. With 15 more problems per 100 vehicles, Acura is ranked 20th.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Mazda vehicles are more reliable than Acura vehicles. Consumer Reports ranks Mazda third in reliability. Acura is ranked 13th.

Engine

The Mazda 6’s standard 2.5 DOHC 4 cyl. produces 6 lbs.-ft. more torque (186 vs. 180) than the ILX’s 2.4 DOHC 4 cyl. The Mazda 6 Grand Touring/Signature’s standard 2.5 turbo 4 cyl. produces 49 more horsepower (250 vs. 201) and 130 lbs.-ft. more torque (310 vs. 180) than the ILX’s 2.4 DOHC 4 cyl.

As tested in Car and Driver the Mazda 6 Grand Touring/Signature 2.5 turbo 4 cyl. is faster than the Acura ILX:

 

Mazda6

ILX

Zero to 60 MPH

6.4 sec

6.6 sec

Zero to 100 MPH

16 sec

17.2 sec

5 to 60 MPH Rolling Start

6.7 sec

7 sec

Quarter Mile

14.9 sec

15.2 sec

Speed in 1/4 Mile

97 MPH

94 MPH

Top Speed

149 MPH

133 MPH

Fuel Economy and Range

On the EPA test cycle the Mazda 6 with its standard engine gets better fuel mileage than the ILX (26 city/35 hwy vs. 24 city/34 hwy).

An engine control system that can shut down half of the engine’s cylinders helps improve the Mazda 6 (except Turbo)’s fuel efficiency. The ILX doesn’t offer a system that can shut down part of the engine.

The Mazda 6 has 3.2 gallons more fuel capacity than the ILX (16.4 vs. 13.2 gallons), for longer range between fill-ups.

Brakes and Stopping

For better stopping power the Mazda 6 Grand Touring/Signature’s brake rotors are larger than those on the ILX:

 

Mazda6

ILX

Front Rotors

12.6 inches

12.3 inches

The Mazda 6 stops much shorter than the ILX:

 

Mazda 6

ILX

 

70 to 0 MPH

174 feet

184 feet

Car and Driver

Tires and Wheels

For better traction, the Mazda 6 has larger tires than the ILX (225/55R17 vs. 215/45R17).

For better ride, handling and brake cooling the Mazda 6 Touring/Grand Touring/Signature has standard 19-inch wheels. The ILX’s largest wheels are only 18-inches.

The Mazda 6 has a standard space-saver spare tire so you can replace a flat tire and drive to have the flat repaired or replaced. A spare tire isn’t available on the ILX; it requires you to depend on roadside assistance and your vehicle will have to be towed.

Suspension and Handling

For a smoother ride and more stable handling, the Mazda 6’s wheelbase is 6.3 inches longer than on the ILX (111.4 inches vs. 105.1 inches).

For better handling and stability, the average track (width between the wheels) on the Mazda 6 is 3.2 inches wider in the front and 2 inches wider in the rear than the track on the ILX.

The Mazda 6’s front to rear weight distribution is more even (58% to 42%) than the ILX’s (63% to 37%). This gives the Mazda 6 more stable handling and braking.

The Mazda 6 Touring handles at .87 G’s, while the ILX A-SPEC pulls only .83 G’s of cornering force in a Car and Driver skidpad test.

Passenger Space

Because it has more passenger and cargo room, the EPA rates the Mazda 6 a Mid-size car, while the ILX is rated a Compact.

The Mazda 6 has 10.4 cubic feet more passenger volume than the ILX (99.7 vs. 89.3).

The Mazda 6 has .4 inches more front headroom, 3.2 inches more front hip room, .3 inches more front shoulder room, 1.2 inches more rear headroom, 4.7 inches more rear legroom, 1.8 inches more rear hip room and 1.5 inches more rear shoulder room than the ILX.

Cargo Capacity

The Mazda 6 has a much larger trunk than the ILX (14.7 vs. 12.4 cubic feet).

To allow full utilization of available cargo room, the Mazda 6’s trunk lid uses concealed beam hinges that don’t intrude into the trunk. Its intrusive beam hinge reduces the ILX’s useful trunk space.

The Mazda 6’s standard folding rear seats are split to accommodate bulky cargo. The ILX’s standard single piece folding rear seat is not as flexible; long cargo and a passenger can’t share the rear seat.

Ergonomics

The Mazda 6 Grand Touring Reserve and Signature have a standard 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 ILX doesn’t offer a heads-up display.

The Mazda 6’s 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 ILX’s rear power window switches have to be held the entire time to open or close them fully.

The Mazda 6’s standard wipers adjust their speed and turn on and off automatically according to the amount of rainfall on the windshield. The ILX’s intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.

The Insurance Institute for Highway Safety (IIHS) conducts detailed tests on headlights for their range both straight ahead and in curves and to be certain they don’t exceed acceptable amounts of glare to oncoming drivers. The Mazda 6’s available headlights were rated “Acceptable” by the IIHS, while the ILX’s headlights are rated “Marginal.”

While driving with high beams on, sensitive light sensors standard on the Mazda 6 detect other vehicles which could be blinded and automatically switch to low beams. The ILX doesn’t offer automatic dimming high beams.

To help drivers see further while navigating curves, the Mazda 6 Grand Touring Reserve/Signature has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The ILX doesn’t offer cornering lights.

The Mazda 6 Grand Touring/Signature has standard automatic dimming rear and side view mirrors which automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The ILX offers an automatic rear view mirror, but its side mirrors don’t dim.

Both the Mazda 6 and the ILX offer available heated front seats. The Mazda 6 Grand Touring Reserve/Signature also has standard heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the ILX.

Standard air-conditioned seats in the Mazda 6 Grand Touring Reserve/Signature keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The ILX doesn’t offer air-conditioned seats.

On extremely cold winter days, the Mazda 6 Grand Touring Reserve/Signature’s standard heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The ILX doesn’t offer a heated steering wheel.

Both the Mazda 6 and the ILX offer rear vents. For greater rear passenger comfort, the Mazda 6 Touring/Grand Touring/Signature has standard rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The ILX doesn’t offer rear air conditioning vents, only heat vents.

Economic Advantages

Insurance will cost less for the Mazda 6 owner. The Car Book by Jack Gillis rates the Mazda 6 with a number “1” insurance rate while the ILX is rated higher at a number “10” rate.

According to The Car Book by Jack Gillis, the Mazda 6 is less expensive to operate than the ILX because typical repairs cost much less on the Mazda 6 than the ILX, including $131 less for a water pump, $354 less for a starter, $5 less for a fuel pump, $110 less for front struts and $229 less for a power steering pump.

Recommendations

Consumer Reports® recommends the Mazda 6, based on reliability, safety and performance.

The Mazda 6 was chosen as one of Car and Driver’s “Top Ten” for 2 of the last 6 years. The ILX has never been a Car and Driver “Top Ten” pick.

The Mazda 6 outsold the Acura ILX by almost three to one during 2018.

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

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