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Features Comparison: Hyundai Sonata vs. Acura RLX
| Model Year | 2015 | 2015 | 2015 | 2015 | 2015 | 2015 | 2015 | 2015 | 2014 |
| Model | Sonata | Sonata | Sonata | Sonata | Sonata | Sonata | Sonata | Sonata | RLX |
| Trim | SE | ECO | Sport | Limited | Sport 2.0T | Limited 2.0T | Hybrid | Hybrid Limited | Base |
| Engines | |||||||||
| Transmissions | |||||||||
| Drivetrains | |||||||||
| Tires | |||||||||
| Audio Systems | |||||||||
| Accessories | |||||||||
| Cancels out interior noise by playing the opposite noise through the vehicle's speakers. | |||||||||
| Automatically maintains set distance behind preceding vehicle as well as set speed. Can bring vehicle to a complete stop then accelerate back up to set speed. Replaces regular adaptive cruise control, and includes its value. | |||||||||
| Often must be ordered with power rear side windows, if these are available. | |||||||||
| Enter and start the vehicle without removing the key from your pocket. | |||||||||
| Release latch by standing near the bumper for a few seconds. | |||||||||
| Check on car and remotely control various functions (remote start, locks, lights, and/or HVAC) from a telephone or computer. Can require a monthly fee. | |||||||||
| Unlock and lock the car using buttons on the keyfob. | |||||||||
| Operate the power windows, sunroof, and/or convertible roof using buttons on the keyfob. | |||||||||
| Greatly reduces the amount of sunlight entering the rear window. Includes the value of manual rear shade. | |||||||||
| Greatly reduce the amount of sunlight entering the rear side windows. Retract into rear doors. | |||||||||
| Homelink. | |||||||||
| Brakes, Airbags, and Other Safety | |||||||||
| Rear disc brakes. | |||||||||
| If active, automatically move forward when the vehicle is rear-ended. Note: becoming less common. | |||||||||
| Only listed when pricing a single model because insufficient data for all cars. | |||||||||
| Automatically pulse the brakes in hard stops to prevent wheels from locking up, making it possible to brake and steer at the same time. | |||||||||
| If collision detection system senses imminent collision, applies moderate braking. | |||||||||
| Mirror-mounted lights indicate when another vehicle is in a blind spot. | |||||||||
| When a panic stop is sensed, fully applies the brakes. | |||||||||
| Warns of traffic coming from either direction when vehicle is in reverse, to prevent accidents when backing out of parking spaces. | |||||||||
| Alerts driver when approaching the preceding car too quickly. | |||||||||
| Mandatory, in all cars. | |||||||||
| Alerts driver when the vehicle seems to be wandering out of the lane. | |||||||||
| Proactively helps keep the car centered inside a detected lane via steering assistance. | |||||||||
| Beeps signal distance to object in front of vehicle. Parking aid. | |||||||||
| Beeps signal distance to object behind vehicle. Parking aid. | |||||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||||||
| Prepares brakes (and sometimes also seat belts) for use when radar detects an imminent collision. Might also move seats and close windows. Early Lexus system used laser. Since automatic braking became common it has been unclear which models have this feat | |||||||||
| Rearview camera connected to display screen on the instrument panel. Often requires navigation system. | |||||||||
| Deploys extended duration side curtain airbags when the vehicle rolls over. Usually included on tall vehicles. Rare on others. | |||||||||
| Airbags contained just above the window level. Except in cars without a rear seat usually cover first and second row. | |||||||||
| Selectively applies the brakes to prevent excessive understeer or oversteer (spinning). | |||||||||
| Two types: a warning light when a tire is low on air and a pressure readout for each tire. | |||||||||
| Uses the brakes to channel torque to the outside wheels and counteract understeer. Similar to stability control, but proactive, and acting to improve cornering performance rather than prevent loss of control. | |||||||||
| When a drive wheel slips, it is braked and/or engine power is reduced, restoring traction. | |||||||||
| Periodically uploads and emails a vehicle diagnostic check. | |||||||||
| Cargo Management | |||||||||
| Usually part of an overhead console. | |||||||||
| Usually concealed behind a stowed armrest. Enables long items like skis to be carried without folding the rear seat. | |||||||||
| Climate Control | |||||||||
| Maintains set temperature in front row. Requires air conditioning and does not include its value. | |||||||||
| Temperature can be separately set for left and right sides of the passenger compartment. Requires air conditioning and does not include its value. | |||||||||
| Filters exterior air before it enters the passenger compartment. No default value because most cars have them, even in cases where they're not in the official list of features. | |||||||||
| Wipers automatically turn on and adjust their speed based on input from a rain sensor. | |||||||||
| Vents at aft end of center console, in B-pillars, and/or in ceiling. | |||||||||
| Maintains set temperature in rear passenger area by providing heated or cooled air through vents in the center console, B-pillars, and/or ceiling. Replaces and includes value of rear air vents with manual controls. | |||||||||
| Ducts under front seats direct heated air to the second row. | |||||||||
| Only listed when pricing a single model because insufficient data for all cars. | |||||||||
| Time between wipes can be precisely adjusted. | |||||||||
| Engine / Motor | |||||||||
| Automatically cuts off the engine when the vehicle is stopped and restarts it when the driver lifts off the brake pedal. Not listed for hybrids, where it is generally part of the powertrain system. | |||||||||
| Changes sound of exhaust and/or appearance of the tips. In some cases might slightly improve performance. | |||||||||
| Exterior | |||||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||||||
| Increasingly often these are not actually connected to the exhaust. | |||||||||
| Reduces interior noise, prevents side windows from shattering. | |||||||||
| Reduces interior noise, prevents side windows from shattering. | |||||||||
| Flaps mounted behind two to four wheels, to protect the body from mud and rocks. | |||||||||
| Front glass panel retracts over a fixed glass roof panel. Entire unit covers nearly the entire roof. | |||||||||
| Can be small lip spoiler or a larger raised spoiler. | |||||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||||||
| Infotainment | |||||||||
| Requires compatible Android phone. | |||||||||
| Touchscreen and/or voice control over apps that can include online search, Facebook, Twitter, Pandora, OpenTable, and MovieTickets.com. Requires connected compatible phone. Fees may apply after first three years. | |||||||||
| Requires compatible Apple iPhone. | |||||||||
| Jack for an iPod or similar device. No value because of incomplete data. Will soon be standard on nearly every car. | |||||||||
| Uses Bluetooth rather than a cable to integrate audio device. Requires compatible audio device and/or phone. | |||||||||
| Enables hands-free communication by wirelessly connecting a cell phone to a microphone and the vehicle's stereo speakers. | |||||||||
| Audio system capable of playing DVD-Audio discs. | |||||||||
| High-definition radio, which broadcasts a digital signal. Free, no subscription fees. | |||||||||
| Built-in drive with at least 10 GB of storage for MP3 and other audio files. | |||||||||
| Audio system capable of playing discs with MP3 files. | |||||||||
| Screen-based navigation system. | |||||||||
| XM or Sirius. Includes a subscription for three to six months, after which monthly fees apply. | |||||||||
| Converts text messages to speech. | |||||||||
| In-vehicle security, communications, and diagnostics system. For 2011 and newer cars often includes a remote app. Monthly fee after the first 1-12 months. | |||||||||
| In-vehicle security, communications, and diagnostics system plus turn-by-turn navigation (no map display). For 2011 and newer cars often includes a remote app. Monthly fee after the first 1-12 months. | |||||||||
| Information about traffic plus weather, gas prices, sports news, and/or movie times. Monthly fee after first 3-12 months. | |||||||||
| Often permits an iPod or phone to be integrated into the vehicle's entertainment system and controls. | |||||||||
| Sometimes also includes voice control over climate control system. | |||||||||
| Sometimes also includes voice control over climate control system. | |||||||||
| Instruments, Lights, and Mirrors | |||||||||
| Driver-side exterior mirror automatically dims when hit by headlights of following vehicle. | |||||||||
| High beams automatically turned on and off. | |||||||||
| Passenger-side rearview mirror automatically dims when hit by headlights of following vehicle. | |||||||||
| Interior rearview mirror automatically dims when hit by headlights of following vehicle. | |||||||||
| Headlights automatically turn on and off. Includes value of automatic-off headlights. | |||||||||
| We haven't given this feature a value because it's hard to tell which cars have it. | |||||||||
| Driving style displayed and/or evaluated with a grade, with changes in display graphics, or with a graph of performance over time. | |||||||||
| Light wide area close in front of the vehicle. | |||||||||
| Clears ice and fog from mirrors. | |||||||||
| Includes value of non-illuminated vanity mirror. | |||||||||
| Includes value of non-illuminated vanity mirror. | |||||||||
| LEDs cast a soft glow over and/or highlight parts of the interior. | |||||||||
| Standard or optional in some hybrid vehicles. Fancy display of power flows, enhanced trip computer information. | |||||||||
| LED headlights last longer and use less energy than other types. | |||||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||||||
| Front row reading lights. | |||||||||
| One or both exterior mirrors tilt down when the transmission is in reverse, to provide view of the curb. | |||||||||
| Area around the vehicle is illuminated when the vehicle is remotely unlocked. | |||||||||
| Includes value of manual remote mirrors. | |||||||||
| Mirrors fold and unfold with the touch of a button inside the vehicle. Good for narrow roads and parking lots. | |||||||||
| Auxiliary convex lens in the corner of the outside mirror that improves view of the driver's blind spot. | |||||||||
| Reports engine speed. | |||||||||
| Reports average fuel economy, and perhaps also instantaneous fuel economy, distance to empty, average speed, and other stats. | |||||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||||||
| Provide a brighter, whiter light than halogen headlights. | |||||||||
| Seats and Interior Trim | |||||||||
| All-weather floormats. | |||||||||
| Seat folds to enlarge cargo area. Unless the seat is also removable, it usually folds flat or nearly flat. | |||||||||
| Seating surfaces are trimmed in leather; other upholstery tends to be leatherette. | |||||||||
| Either only the front seats are leather or the upholstery is a mix of cloth and leather. | |||||||||
| Lower back support power-adjustable vertically as well as in and out. | |||||||||
| Lower back support power-adjustable vertically as well as in and out. | |||||||||
| Power-adjustable lower back support. | |||||||||
| Power tilting seat cushion; can take the form of a second height adjustment. | |||||||||
| Power tilting seat cushion; can take the form of a second height adjustment. | |||||||||
| A.k.a vinyl, leatherette, MB-Tex, NuLuxe. | |||||||||
| Fake wood trim, only listed if optional. | |||||||||
| Suspension, Wheels, and Tires | |||||||||
| Shocks mechanically adjust firmness based on direct road inputs. Not driver adjustable. | |||||||||
| Varies throttle, steering, ABS, and/or stability control calibration. | |||||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||||||
| The rear wheels steer to improve steering responsiveness at high speeds and reduce the turning circle at low speeds. | |||||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||||||
| Lug nuts that can only be removed using a special key. Prevents theft of wheels. | |||||||||
| Transmission | |||||||||
| Paddles or buttons that can be used to manually shift the transmission. Only listed when optional or not always included with an automatic transmission. | |||||||||
Option Package Contents
Blue Link
Popular Equipment Package
Tech Package
Tech Package
Ultimate Package
Tech Package
Ultimate Package
Ultimate Package+
Technology Package
Krell Package
Advance Package
Navigation Package
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