Model Year | 2009 | 2021 | 2021 | 2021 | 2021 | 2021 |
Model | 7-Series | TrailBlazer | TrailBlazer | TrailBlazer | TrailBlazer | TrailBlazer |
Trim | 750Li | L | LS | LT | ACTIV | RS |
Engines | ||||||
Transmissions | ||||||
Drivetrains | ||||||
Tires | ||||||
Audio Systems | ||||||
Accessories | ||||||
Powers devices with a regular home electrical outlet. Limited wattage: forget about using it to power a blow drier. | ||||||
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. | ||||||
Release latch by waving a foot beneath the bumper or a hand near a sensor. | ||||||
Unlock the car by entering a code on a door-mounted keypad. | ||||||
Pulls door tight after latch is engaged. Door can be shut with very little effort. | ||||||
Often must be ordered with power rear side windows, if these are available. | ||||||
Liftgate can be opened and closed using buttons inside the vehicle and on the keyfob. | ||||||
Decklid can be opened and closed using buttons inside the vehicle and on the keyfob. | ||||||
Enter and start the vehicle without removing the key from your pocket. | ||||||
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. | ||||||
Unlock and lock the car using buttons on the keyfob. Replaces regular RKE. No additional value because not possible to compare across models. | ||||||
Start the car using a button on the keyfob. Interior can be a comfortable temperature as soon as you get in. | ||||||
Remote start the car using a phone-based app. Complimentary for at least three years. | ||||||
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. Includes value of manual shades. | ||||||
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. | ||||||
Small external cameras provide a top-down view all around the vehicle, to reduce blind spots while parking. | ||||||
If collision detection system senses imminent collision, applies moderate braking. | ||||||
Automatically brakes car to avoid low-speed collisions. | ||||||
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. | ||||||
Indicates number of seconds behind preceding car. | ||||||
Alerts driver when approaching the preceding car too quickly. | ||||||
Mandatory, in all cars. | ||||||
Steering lightly applied to help prevent the vehicle from inadvertently traveling out of its intended lane. | ||||||
Alerts driver when the vehicle seems to be wandering out of the lane. | ||||||
Creates infrared-based image of the road ahead. | ||||||
Beeps signal distance to object in front of vehicle. Parking aid. | ||||||
Beeps signal distance to object behind vehicle. Parking aid. | ||||||
Warns driver of pedestrians in path of car. | ||||||
Night vision system detects pedestrians ahead of the car, then highlights them on the display. | ||||||
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. | ||||||
Individual keys can be coded to enforce specific driving restrictions, such as maximum speed and audio volume. | ||||||
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. | ||||||
Can be driven deflated for about 50 miles. Usually harm ride quality. Cars with these often have no spare tire. | ||||||
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 | ||||||
Net extending from the floor to the ceiling to prevent cargo from flying into the passenger area during sudden stops. | ||||||
Above floor system for organizing cargo. | ||||||
Usually concealed behind a stowed armrest. Enables long items like skis to be carried without folding the rear seat. | ||||||
No crossbars. | ||||||
Sack attached to rear seat pass-through. Keeps dirty skis from messing up the interior. | ||||||
Includes four-wire harness, limited to relatively small trailers. | ||||||
Climate Control | ||||||
Automatically recirculates interior air when pollution is detected in outside air. | ||||||
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. | ||||||
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. | ||||||
Requires and does not include the value of rear air vents. | ||||||
Ducts under front seats direct heated air to the second row. | ||||||
Provides heat for an extended period of time after the engine has been cut off. | ||||||
Time between wipes can be precisely adjusted. | ||||||
Heating elements defrost area where front wipers rest. | ||||||
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. | ||||||
Plugs into electrical outlet to warm up the engine. Facilitates starting in extreme cold. | ||||||
Exterior | ||||||
Close grille openings when not needed to reduce aerodynamic drag. | ||||||
Protective cladding extending partly onto the doors. | ||||||
Increasingly often these are not actually connected to the exhaust. | ||||||
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. | ||||||
Protects part of the underbody from rocks when off-roading. | ||||||
Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
Extensions to the wheel opening, both decorative and protective. | ||||||
Gas Guzzler Tax | ||||||
Infotainment | ||||||
Higher speed Internet connection. Monthly fee after trial period. | ||||||
Communicate with the vehicle via Alexa. Might require a paid subscription. | ||||||
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. | ||||||
CD changer in the glove compartment, trunk, or cargo area, beyond easy reach. Can be in addition to an in-dash CD player. | ||||||
Personal vehicle settings saved to cloud. | ||||||
Audio system capable of playing DVDs on a front-row screen. Inoperative when the vehicle is moving. No value because of incomplete data. | ||||||
A DVD player and two front headrest-mounted screens. | ||||||
High-definition radio, which broadcasts a digital signal. Free, no subscription fees. | ||||||
Integrates an iPod with the vehicle's controls and speakers. Usually included if there is a USB port, but can also rely on a proprietary port. | ||||||
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. | ||||||
Audio controls for rear seat passengers, usually to control output through headphone jacks. | ||||||
XM or Sirius. Includes a subscription for three to six months, after which monthly fees apply. | ||||||
XM or Sirius with one-year subscription. | ||||||
SD, CF, PCMCIA, or other digital media reader. | ||||||
In BMWs includes baseplate in center console that provides a connection to an external antenna, but that requires an additional adapter. | ||||||
Additional on-demand content via streaming. | ||||||
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 conditions. Monthly fee after first 3-12 months. | ||||||
Often permits an iPod or phone to be integrated into the vehicle's entertainment system and controls. | ||||||
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. | ||||||
Phone or other device operated via the vehicle's voice command system. Requires a compatible device--all aren't supported. | ||||||
Sometimes also includes voice control over climate control system. | ||||||
Provides Wi-Fi within the car. Includes internal modem, usually requires car-specific broadband service with monthly fee. | ||||||
Wirelessly charger for phones and audio players. | ||||||
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. | ||||||
Lights illuminate area just ahead and to the side of the vehicle when the turn signals are used or the steering wheel is turned. | ||||||
Light wide area close in front of the vehicle. | ||||||
Projects various instrument readouts onto the windshield. Image actually appears to be floating over the nose of the car. Enables driver to keep eyes on the road. | ||||||
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. | ||||||
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. | ||||||
Headlights swivel when steering wheel is turned. | ||||||
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. | ||||||
Ceramic finish on some interior controls. | ||||||
For carrying long items. Possibly also useful as a work surface. | ||||||
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. | ||||||
Leather beyond the seating surfaces, door panels, and IP top. No additional value over leather upholstery because no way to standardize across all models. | ||||||
Power lumbar or vibration used to massage lower back. | ||||||
Lower back support power-adjustable vertically as well as in and out. | ||||||
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 adjustable bolsters on the seatback, to provide lateral support in hard turns. | ||||||
Power adjustable bolsters on the seatback, to provide lateral support in hard turns. | ||||||
Power-adjustable cushion length; provides better support for long legs. | ||||||
Power-adjustable cushion length; provides better support for long legs. | ||||||
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. | ||||||
Power tilting seat cushion; can take the form of a second height adjustment. | ||||||
The upper part of the seatback be be adjusted separately from the lower part. | ||||||
The upper part of the seatback be be adjusted separately from the lower part; especially useful when the seat is heavily reclined, to better support the upper back. | ||||||
The upper part of the seatback be be adjusted separately from the lower part; especially useful when the seat is heavily reclined, to better support the upper back. | ||||||
A.k.a vinyl, leatherette, MB-Tex, NuLuxe. | ||||||
Usually also includes synthetic suede on the pillars. | ||||||
No additional value over leather upholstery because no way to standardize across all models. | ||||||
Real wood trim on instrument panel, door panels, and/or center console. | ||||||
Suspension, Wheels, and Tires | ||||||
Motors joining the left and right halves of the stabilizer bars twist them to further reduce roll in turns and disengages them to improve ride quality when not turning. | ||||||
The steering ratio is automatically varied based on vehicle speed and other factors. | ||||||
Shocks that electrically adjust their firmness based on sensor readings of the road surface. The driver might also be able to select a \"sport\" setting. | ||||||
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. | ||||||
Air springs maintain the rear ride height. | ||||||
The rear wheels steer to improve steering responsiveness at high speeds and reduce the turning circle at low speeds. | ||||||
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. |
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