Certified Benz & Beemer Compares 2018 Acura ILX VS 2018 Mazda 3 Near Phoenix, AZ

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2018 Acura ILX

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VS

2018 Mazda 3

Safety Comparison

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Using vehicle speed sensors, smart airbags in the ILX deploy with different levels of force or don’t deploy at all to help better protect passengers of all sizes in different collisions. The ILX’s side airbags will shut off if a child is leaning against the door. The Mazda 3’s side airbags don’t have smart features and will always deploy full force.

Both the ILX and the Mazda 3 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, daytime running lights, rearview cameras, available crash mitigating brakes, lane departure warning systems, blind spot warning systems 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 Acura ILX is safer than the Mazda 3:

 

ILX

Mazda 3

 

Driver

STARS

5 Stars

5 Stars

Neck Compression

56 lbs.

70 lbs.

 

Passenger

STARS

4 Stars

4 Stars

HIC

211

218

Chest Compression

.5 inches

.5 inches

Neck Injury Risk

40%

48%

Neck Stress

166 lbs.

213 lbs.

Neck Compression

40 lbs.

78 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, results indicate that the Acura ILX is safer than the Mazda 3:

 

ILX

Mazda 3

 

Front Seat

STARS

5 Stars

4 Stars

HIC

234

245

Chest Movement

.9 inches

1.3 inches

Abdominal Force

143 G’s

276 G’s

 

Rear Seat

STARS

5 Stars

5 Stars

Spine Acceleration

64 G’s

72 G’s

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

Warranty Comparison

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The ILX comes with a full 4-year/50,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The 3’s 3-year/36,000-mile basic warranty expires 1 year and 14,000 miles sooner.

Acura’s powertrain warranty covers the ILX 1 year and 10,000 miles longer than Mazda covers the 3. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the Mazda 3 ends after only 5 years or 60,000 miles.

Reliability Comparison

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J.D. Power and Associates’ 2017 Initial Quality Study of new car owners surveyed provide the statistics that show that Acura vehicles are better in initial quality than Mazda vehicles. J.D. Power ranks Acura 19th in initial quality. With 22 more problems per 100 vehicles, Mazda is ranked 27th.

J.D. Power and Associates’ 2016 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Acura vehicles are more reliable than Mazda vehicles. J.D. Power ranks Acura 8th in reliability, above the industry average. With 34 more problems per 100 vehicles, Mazda is ranked 21st.

Engine Comparison

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The ILX’s 2.4 DOHC 4 cyl. produces 46 more horsepower (201 vs. 155) and 30 lbs.-ft. more torque (180 vs. 150) than the Mazda 3 Sport’s standard 2.0 DOHC 4 cyl. The ILX’s 2.4 DOHC 4 cyl. produces 17 more horsepower (201 vs. 184) than the Mazda 3 Touring/Grand Touring’s standard 2.5 DOHC 4 cyl.

As tested in Car and Driver the Acura ILX is faster than the Mazda 3 (automatics tested):

 

ILX

Mazda3 2.0

Mazda3 2.5

Zero to 60 MPH

6.6 sec

8 sec

6.8 sec

Zero to 100 MPH

17.2 sec

22.3 sec

19 sec

5 to 60 MPH Rolling Start

7 sec

8.2 sec

7.1 sec

Quarter Mile

15.2 sec

16.2 sec

15.4 sec

Speed in 1/4 Mile

94 MPH

88 MPH

92 MPH

Top Speed

133 MPH

132 MPH

132 MPH

Brakes and Stopping Comparison

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For better stopping power the ILX’s brake rotors are larger than those on the Mazda 3:

 

ILX

Mazda 3 2.0

Mazda 3 2.5

Front Rotors

12.3 inches

11.02 inches

11.61 inches

Rear Rotors

11.1 inches

10.43 inches

10.43 inches

Tires and Wheels Comparison

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For better traction, the ILX has larger standard tires than the Mazda 3 (215/45R17 vs. 205/60R16). The ILX A-SPEC/Special Edition’s tires are larger than the largest tires available on the Mazda 3 (225/40R18 vs. 215/45R18).

The ILX’s standard tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the Mazda 3 Sport’s standard 60 series tires. The ILX A-SPEC/Special Edition’s tires have a lower 40 series profile than the Mazda 3 Touring/Grand Touring’s 45 series tires.

For better ride, handling and brake cooling the ILX has standard 17-inch wheels. Smaller 16-inch wheels are standard on the Mazda 3 Sport.

Suspension and Handling Comparison

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The ILX has standard front and rear gas-charged shocks for better control over choppy roads. The Mazda 3’s suspension doesn’t offer gas-charged shocks.

The ILX A-SPEC handles at .83 G’s, while the Mazda 3 Touring 4-Door pulls only .82 G’s of cornering force in a Car and Driver skidpad test.

Chassis Comparison

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The ILX uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The Mazda 3 doesn’t offer active noise cancellation.

Cargo Capacity Comparison

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With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the ILX offers cargo security. The Mazda 3’s non-lockable remote release defeats cargo security.

A standard locking glovebox (which can’t be accessed with the valet key) keeps your small valuables safer in the ILX. The Mazda 3 doesn’t offer locking storage for small valuables.

Ergonomics Comparison

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When two different drivers share the ILX, the optional memory system makes it convenient for both. Each setting activates different, customized memories for the driver’s seat position, outside mirror angle and climate settings. The Mazda 3 doesn’t offer a memory system.

The ILX’s front power windows 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 Mazda 3’s passenger windows don’t open or close automatically.

If the windows are left open on the ILX the driver can close them all at the outside door handle. On a hot day the driver can lower the windows at the outside door handle or from a distance using the keyless remote. The driver of the Mazda 3 can only operate the windows from inside the vehicle, with the ignition on.

The ILX’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 Mazda 3 Sport’s standard manually variable intermittent wipers have to be constantly adjusted.

The ILX has a standard automatic headlight on/off feature. When the ignition is on, the headlights automatically turn on at dusk and off after dawn. When the ignition turns off, the headlights turn off after a delay timed to allow you to securely get to your front door. The Mazda 3 only offers an automatic headlight on/off feature as an extra cost option.

The ILX’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Mazda charges extra for heated mirrors on the Mazda 3.

When the ILX is put in reverse, both rearview mirrors tilt from their original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirrors into their original positions. The Mazda 3’s mirrors don’t automatically adjust for backing.

The ILX has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning is only available on the Mazda 3 Touring/Grand Touring.

The ILX’s available GPS navigation system has a real-time traffic update feature that plots alternative routes to automatically bypass traffic problems. (Service not available in all areas.) The Mazda 3’s available navigation system doesn’t offer real-time traffic updates.

Economic Advantages Comparison

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According to The Car Book by Jack Gillis, the ILX is less expensive to operate than the Mazda 3 because it costs $216 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost less on the ILX than the Mazda 3, including $35 less for front brake pads, $151 less for fuel injection and $74 less for a fuel pump.

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