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The Corolla has standard Whiplash Injury Lessening Seats, which use a specially designed seat to protect the driver and front passenger from whiplash. During a rear-end collision, the Whiplash Injury Lessening Seats system allows the backrest to travel backwards to cushion the occupants and the headrests move forward to prevent neck and spine injuries. The Rio doesn’t offer a whiplash protection system.
The Corolla has a standard Secondary Collision Brake, which automatically applies the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Rio doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.
The Corolla’s lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. The Rio doesn’t offer a lane departure warning system.
The Corolla (except L/Manual)’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 Rio doesn’t offer a system to reveal objects in the driver’s blind spots.
The Corolla’s 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 Rio doesn’t offer a driver alert monitor.
The Corolla has standard Safety Connect, which uses a global positioning satellite (GPS) receiver and a cellular system to help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The Rio doesn’t offer a GPS response system, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.
Both the Corolla and the Rio 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 and rearview cameras.
For its top level performance in IIHS driver and passenger-side small overlap frontal, moderate overlap frontal, side impact, roof strength and head restraint tests, its standard vehicle-to-vehicle front crash prevention system, its standard vehicle-to-pedestrian front crash prevention system, and its available headlight’s “Acceptable” rating, the Insurance Institute for Highway Safety grants the Corolla the rating of “Top Pick” for 2020, a rating granted to only 30 vehicles tested by the IIHS. The Rio last would have qualified as a “Top Pick” in 2019.
The Corolla’s 5 year corrosion warranty has no mileage limitations, but the corrosion warranty on the Rio runs out after 100,000 miles.
Toyota pays for scheduled maintenance on the Corolla for 2 years and 25000 miles. Toyota will pay for oil changes, lubrication and any other required maintenance. Kia doesn’t pay scheduled maintenance for the Rio.
There are over 63 percent more Toyota dealers than there are Kia dealers, which makes it much easier should you ever need service under the Corolla’s warranty.
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 Corolla’s reliability 34 points higher than the Rio.
J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Toyota vehicles are more reliable than Kia vehicles. J.D. Power ranks Toyota second in reliability, above the industry average. With 18 more problems per 100 vehicles, Kia is ranked 10th.
From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Toyota vehicles are more reliable than Kia vehicles. Consumer Reports ranks Toyota third in reliability. Kia is ranked 9th.
The Corolla’s standard 1.8 DOHC 4-cylinder produces 19 more horsepower (139 vs. 120) and 14 lbs.-ft. more torque (126 vs. 112) than the Rio’s 1.6 DOHC 4-cylinder. The Corolla SE/XSE’s standard 2.0 DOHC 4-cylinder produces 49 more horsepower (169 vs. 120) and 39 lbs.-ft. more torque (151 vs. 112) than the Rio’s 1.6 DOHC 4-cylinder.
The Corolla has 1.3 gallons more fuel capacity than the Rio (13.2 vs. 11.9 gallons), for longer range between fill-ups.
The Toyota Corolla has standard four-wheel disc brakes for better stopping power and improved directional control in poor weather. Only rear drums come on the Rio. Drums can heat up and make stops longer, especially with antilock brakes that work much harder than conventional brakes.
For better traction, the Corolla has larger standard tires than the Rio (195/65R15 vs. 185/65R15). The Corolla SE/XSE’s tires are larger than the largest tires available on the Rio (225/40R18 vs. 185/65R15).
The Corolla SE/XSE’s tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the Rio’s 65 series tires.
For better ride, handling and brake cooling the Corolla SE/XSE has standard 18-inch wheels. The Rio’s largest wheels are only 15-inches.
The Toyota Corolla’s wheels have 5 lugs for longer wheel bearing life, less chance of rotor warping and greater strength. The Kia Rio only has 4 wheel lugs per wheel.
For superior ride and handling, the Toyota Corolla has fully independent front and rear suspensions. An independent suspension allows the wheels to follow the road at the best angle for gripping the pavement, without compromising ride comfort. The Kia Rio has a rear torsion beam axle, with a semi-independent rear suspension.
The Corolla has standard front and rear stabilizer bars, which help keep the Corolla flat and controlled during cornering. The Rio’s suspension doesn’t offer a rear stabilizer bar.
For a smoother ride and more stable handling, the Corolla’s wheelbase is 4.7 inches longer than on the Rio (106.3 inches vs. 101.6 inches).
The Corolla has .2 inches more front legroom, .1 inches more front hip room, .7 inches more front shoulder room, 1.3 inches more rear legroom and 1.5 inches more rear shoulder room than the Rio Sedan.
The Corolla’s standard rear seats fold to accommodate long and bulky cargo. The Rio LX doesn’t offer folding rear seats.
To help each driver find a more comfortable driving position, the Corolla has a telescoping steering wheel. Much better than just a tilt steering wheel or adjustable seat, this allows a short driver to sit further from the steering wheel while maintaining contact with the pedals. The Rio doesn’t offer a telescoping steering wheel.
The Corolla’s power parking brake sets with one touch and releases with one touch or automatically. The Rio has a lever-type parking brake that has to be strenuously raised to engage properly. It has to be lifted up more and a button depressed to release it.
The Corolla’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 Rio’s power window switches have to be held the entire time to close them fully. Only its driver’s window opens automatically.
If the windows are left open on the Corolla 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. (This window function must be activated by your Toyota service department.) The driver of the Rio can only operate the windows from inside the vehicle, with the ignition on.
The Smart Key System optional on the Corolla (except L) allows you to unlock the driver’s door, 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 Kia Rio doesn’t offer an advanced key system.
While driving with high beams on, sensitive light sensors standard on the Corolla detect other vehicles which could be blinded and automatically switch to low beams. The Rio doesn’t offer automatic dimming high beams.
To help drivers see further while navigating curves, the Corolla XLE/XSE offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The Rio doesn’t offer cornering lights.
The Corolla XLE/XSE has standard heated front seats, which keep the driver and front passenger extremely comfortable in the winter. Heated seats aren’t available in the Rio.
The Corolla LE/XLE/SE/XSE has a standard center folding armrest for the rear passengers. A center armrest helps make rear passengers more comfortable and it can provide a boundary between children. The Rio doesn’t offer a rear seat center armrest.
The Corolla LE/XLE/SE/XSE’s standard automatic temperature control maintains the temperature you set, automatically controlling fan speed, vents and temperature to maintain a consistent, comfortable environment. The Rio doesn’t offer automatic air conditioning.
For greater rear passenger comfort, the Corolla has standard rear heat vents to keep rear occupants more comfortable. The Rio doesn’t offer rear vents.
To keep a safe, consistent following distance, the Corolla has a standard Dynamic Radar 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 Rio doesn’t offer an adaptive cruise control.
To direct the driver from any location to a given street address, a GPS navigation system is available on the Corolla XLE/XSE. The Corolla’s navigation system also has a real-time traffic update feature that offers alternative routes to automatically bypass traffic problems. (Service not available in all areas.) The Rio doesn’t offer a navigation system.
With standard voice command, the Corolla offers the driver hands free control of the radio and the navigation computer by simply speaking. The Rio doesn’t offer a voice control system.
According to The Car Book by Jack Gillis, the Corolla is less expensive to operate than the Rio because it costs $228 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost less on the Corolla than the Rio, including $18 less for a muffler, $12 less for front brake pads and $9 less for front struts.
Consumer Reports® chose the Toyota Corolla as its “Top Pick,” the highest scoring vehicle in its category, based on reliability, safety and performance. The Kia Rio isn't recommended.
The Toyota Corolla outsold the Kia Rio by over 12 to one during 2019.
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