2019 Buick Regal TourX vs. 2018 Toyota Corolla iM

Detailed Review, Specifications & Comparison

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Safety

The Regal TourX has all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The Corolla iM doesn’t offer all-wheel drive.

The Regal TourX’s optional blind spot warning system uses digital cameras monitored by computer to alert the driver to moving objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. The Corolla iM doesn’t offer a system to reveal objects in the driver’s blind spots.

To help make backing safer, the Regal TourX’s optional cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The Corolla iM doesn’t offer a cross-path warning system.

The Regal TourX has standard OnStar®, 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 Corolla iM 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 Regal TourX and the Corolla iM 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, daytime running lights, rearview cameras, available crash mitigating brakes, lane departure warning systems and rear parking sensors.

The Buick Regal TourX weighs 677 to 906 pounds more than the Toyota Corolla iM. The NHTSA advises that heavier cars are much safer in collisions than their significantly lighter counterparts. Crosswinds also affect lighter cars more.

Warranty

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

Buick’s powertrain warranty covers the Regal TourX 1 year and 10,000 miles longer than Toyota covers the Corolla iM. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the Corolla iM ends after only 5 years or 60,000 miles.

The Regal TourX’s corrosion warranty is 1 year longer than the Corolla iM’s (6 vs. 5 years).

There are over 65 percent more Buick dealers than there are Toyota dealers, which makes it much easier should you ever need service under the Regal TourX’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 Buick vehicles are more reliable than Toyota vehicles. J.D. Power ranks Buick third in reliability, above the industry average. With 11 more problems per 100 vehicles, Toyota is ranked 8th.

Engine

The Regal TourX’s 2.0 turbo 4 cyl. produces 113 more horsepower (250 vs. 137) and 169 lbs.-ft. more torque (295 vs. 126) than the Corolla iM’s 1.8 DOHC 4 cyl.

As tested in Car and Driver the Buick Regal TourX is faster than the Toyota Corolla iM (automatics tested):

 

Regal

Corolla

Zero to 30 MPH

2.2 sec

3.4 sec

Zero to 60 MPH

6.4 sec

9.1 sec

Zero to 80 MPH

10.5 sec

15.7 sec

Zero to 100 MPH

16.2 sec

27.6 sec

5 to 60 MPH Rolling Start

7.3 sec

9.6 sec

Passing 30 to 50 MPH

3.4 sec

4.2 sec

Passing 50 to 70 MPH

4.3 sec

5.7 sec

Quarter Mile

14.8 sec

17.2 sec

Speed in 1/4 Mile

95 MPH

83 MPH

Top Speed

155 MPH

112 MPH

Fuel Economy and Range

In heavy traffic or at stoplights the Regal TourX’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 Corolla iM doesn’t offer an automatic engine start/stop system.

The Regal TourX has 2.3 gallons more fuel capacity than the Corolla iM (16.3 vs. 14 gallons), for longer range between fill-ups.

The Regal TourX 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 Corolla iM doesn’t offer a cap-less fueling system.

Brakes and Stopping

For better stopping power the Regal TourX’s brake rotors are larger than those on the Corolla iM:

 

Regal

Corolla

Front Rotors

12.6 inches

11.7 inches

Rear Rotors

11.3 inches

11 inches

The Regal TourX stops much shorter than the Corolla iM:

 

Regal

Corolla

 

70 to 0 MPH

175 feet

176 feet

Car and Driver

60 to 0 MPH

118 feet

128 feet

Motor Trend

Tires and Wheels

For better traction, the Regal TourX has larger tires than the Corolla iM (235/50R18 vs. 225/45R17).

For better ride, handling and brake cooling the Regal TourX has standard 18-inch wheels. Only 17-inch wheels are available on the Corolla iM.

Suspension and Handling

The Regal TourX has vehicle speed sensitive variable-assist power steering, for low-effort parking, better control at highway speeds and during hard cornering, and a better feel of the road. The Corolla iM doesn’t offer variable-assist power steering.

For a smoother ride and more stable handling, the Regal TourX’s wheelbase is 9 inches longer than on the Corolla iM (111.4 inches vs. 102.4 inches).

For better handling and stability, the track (width between the wheels) on the Regal TourX is 3.2 inches wider in the front and 3.7 inches wider in the rear than on the Corolla iM.

The Regal TourX’s front to rear weight distribution is more even (58.2% to 41.8%) than the Corolla iM’s (60.3% to 39.7%). This gives the Regal TourX more stable handling and braking.

The Regal TourX Essence handles at .88 G’s, while the Corolla iM pulls only .80 G’s of cornering force in a Motor Trend skidpad test.

The Regal TourX Essence executes Motor Trend’s “Figure Eight” maneuver 2.1 seconds quicker than the Corolla iM (26.2 seconds @ .69 average G’s vs. 28.3 seconds @ .58 average G’s).

Chassis

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

As tested by Car and Driver, the interior of the Regal TourX Essence is quieter than the Corolla iM:

 

Regal

Corolla

At idle

40 dB

40 dB

Full-Throttle

69 dB

76 dB

70 MPH Cruising

65 dB

71 dB

Passenger Space

Because it has more passenger and cargo room, the EPA rates the Regal TourX a Mid-Size Station Wagon car, while the Corolla iM is rated a Small Station Wagon.

The Regal TourX has 8.6 cubic feet more passenger volume than the Corolla iM (99 vs. 90.4).

The Regal TourX has .4 inches more front legroom, 2.6 inches more front shoulder room, 2.1 inches more rear headroom, 4.2 inches more rear legroom and 1.3 inches more rear shoulder room than the Corolla iM.

Cargo Capacity

The Regal TourX has a much larger cargo area with its rear seat up than the Corolla iM (32.7 vs. 20.8 cubic feet).

To make loading and unloading groceries and cargo easier when your hands are full, the Regal TourX Essence’s power liftgate can be opened or closed just by kicking your foot under the back bumper, leaving your hands completely free. The Corolla iM doesn’t offer a power or hands-free opening liftgate.

Servicing Ease

The Regal TourX uses gas struts to support the hood for easier service access. The Corolla iM uses a prop rod to support its heavy hood. It takes two hands to open the hood and set the prop rod, the prop rod gets in the way during maintenance and service, and the prop rod could be knocked out, causing the heavy hood to fall on the person maintaining or servicing the car.

J.D. Power and Associates surveys of service recipients show that Buick service is better than Toyota. J.D. Power ranks Buick 9th in service department satisfaction (above the industry average). With a 23% lower rating, Toyota is ranked 17th.

Ergonomics

The Regal TourX offers a remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The Corolla iM doesn’t offer a remote starting system.

The engine computer on the Regal TourX automatically engages the starter until the car starts with one twist of the key and disables the starter while the engine is running. The Corolla iM’s starter can be accidentally engaged while the engine is running, making a grinding noise and possibly damaging the starter and ring gear.

When two different drivers share the Regal TourX Essence, the optional memory seats and mirrors make it convenient for both. Each setting activates different, customized memories for the driver’s seat position and outside mirror angle. The Corolla iM doesn’t offer a memory system.

The Regal TourX Essence’s optional easy entry system glides the driver’s seat back when the door is unlocked or the ignition is switched off, making it easier for the driver to get in and out. The Corolla iM doesn’t offer an easy entry system.

The Regal TourX’s instruments include an oil pressure gauge and a temperature gauge – which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The Corolla iM does not have an oil pressure gauge.

The power windows standard on both the Regal TourX and the Corolla iM have locks to prevent small children from operating them. When the lock on the Regal TourX is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The Corolla iM prevents the driver from operating the other windows just as it does the other passengers.

The Regal TourX’s front and rear power windows all open fully with one touch of the switches and its front windows also automatically close, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The Corolla iM’s passenger windows don’t open or close automatically.

Keyless Access standard on the Regal TourX allows you to unlock the doors, trunk and start the engine all without removing a key from pocket or purse. This eliminates searching for keys before loading groceries, getting in the vehicle in bad weather or making a hurried start to your trip. The Toyota Corolla iM doesn’t offer an advanced key system.

To help drivers avoid possible obstacles, the Regal TourX Preferred/Essence offers optional cornering lights to illuminate around corners when the turn signals are activated. The Corolla iM doesn’t offer cornering lights.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the Regal TourX has standard extendable sun visors. The Corolla iM doesn’t offer extendable visors.

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

When the Regal TourX Essence with available tilt-down mirrors 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 Corolla iM’s mirrors don’t automatically adjust for backing.

The Regal TourX Preferred/Essence’s standard rear view mirror and optional side view mirrors have an automatic dimming feature. These mirrors can be set to automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Corolla iM doesn’t offer the luxury of automatic dimming mirrors.

The Regal TourX Essence has standard heated front seats, which keep the driver and front passenger extremely comfortable in the winter. Heated seats aren’t available in the Corolla iM.

On extremely cold winter days, the Regal TourX Essence’s standard heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The Corolla iM doesn’t offer a heated steering wheel.

Both the Regal TourX and the Corolla iM offer rear vents. For greater rear passenger comfort, the Regal TourX has standard rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The Corolla iM doesn’t offer rear air conditioning vents, only heat vents.

To keep a safe, consistent following distance, the Regal TourX Essence offers an optional Adaptive Cruise Control, which alters the speed of the vehicle without driver intervention. This allows the driver to use cruise control more safely without constantly having to disengage it when approaching slower traffic. The Corolla iM doesn’t offer an adaptive cruise control.

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

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