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Features Comparison: Chevrolet TrailBlazer vs. GMC Envoy
| Model Year | 2021 | 2021 | 2021 | 2021 | 2021 | 2009 | 2009 | 2009 |
| Model | TrailBlazer | TrailBlazer | TrailBlazer | TrailBlazer | TrailBlazer | Envoy | Envoy | Envoy |
| Trim | L | LS | LT | ACTIV | RS | SLE | SLT | Denali |
| Engines | ||||||||
| Transmissions | ||||||||
| Drivetrains | ||||||||
| Final Drive Ratios | ||||||||
| 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. | ||||||||
| Air compressor generally used to pump up springs or shocks can also be used to inflate tires, balls, etc. | ||||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | ||||||||
| 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. | ||||||||
| 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. | ||||||||
| Pedals adjust fore-and-aft to provide the optimal relationship with the steering wheel. | ||||||||
| 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. | ||||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | ||||||||
| Homelink. | ||||||||
| Brakes, Airbags, and Other Safety | ||||||||
| Rear disc brakes. | ||||||||
| 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. | ||||||||
| Automatically brakes car to avoid low-speed collisions. | ||||||||
| Mirror-mounted lights indicate when another vehicle is in a blind spot. | ||||||||
| 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. | ||||||||
| Beeps signal distance to object behind vehicle. Parking aid. | ||||||||
| Warns driver of pedestrians in path of car. | ||||||||
| 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. | ||||||||
| 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. | ||||||||
| Hitch rated for up to 10,000 pounds. Capacity of the vehicle could be lower. | ||||||||
| Do not have to open entire tailgate to access the cargo area. | ||||||||
| Includes side rails and crossbars. | ||||||||
| No crossbars. | ||||||||
| Large storage area beneath the load floor, often compartmentalized. | ||||||||
| Includes four-wire harness, limited to relatively small trailers. | ||||||||
| Includes seven-wire harness, necessary for larger trailers. | ||||||||
| 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. | ||||||||
| Ducts under front seats direct heated air to the second row. | ||||||||
| Time between wipes can be precisely adjusted. | ||||||||
| Drivetrain | ||||||||
| When one rear wheel spins, the differential locks up, sending power to the wheel with better traction. | ||||||||
| 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. | ||||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | ||||||||
| Protective cladding extending partly onto the doors. | ||||||||
| Protective cladding extending partly onto the doors. | ||||||||
| Moldings on the bodysides, to protect against door dings in parking lots. | ||||||||
| Increasingly often these are not actually connected to the exhaust. | ||||||||
| 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. | ||||||||
| 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. | ||||||||
| 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. | ||||||||
| Includes CD player. | ||||||||
| Personal vehicle settings saved to cloud. | ||||||||
| A DVD player and ceiling-mounted screen. Often includes a pair of wireless headphones. | ||||||||
| High-definition radio, which broadcasts a digital signal. Free, no subscription fees. | ||||||||
| 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. | ||||||||
| SD, CF, PCMCIA, or other digital media reader. | ||||||||
| 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. | ||||||||
| 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. | ||||||||
| 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 | ||||||||
| High beams automatically turned on and off. | ||||||||
| 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. | ||||||||
| Clears ice and fog from mirrors. | ||||||||
| Includes value of non-illuminated vanity mirror. | ||||||||
| Includes value of non-illuminated vanity mirror. | ||||||||
| Only listed if not standard on all trims. No value because no way to compare across models. | ||||||||
| Front row reading lights. | ||||||||
| Area around the vehicle is illuminated when the vehicle is remotely unlocked. | ||||||||
| Includes value of manual remote mirrors. | ||||||||
| 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. | ||||||||
| Seats and Interior Trim | ||||||||
| All-weather floormats. | ||||||||
| 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. | ||||||||
| Power-adjustable lower back support. | ||||||||
| 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. | ||||||||
| Real wood comprises part of the steering wheel rim. | ||||||||
| Suspension, Wheels, and Tires | ||||||||
| 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. | ||||||||
| Alloy wheels highly polished to yield an almost chrome-like finish. In the past valued more highly than regular alloy wheels. But the term is used so broadly lately, often meaning that only some of the wheel face is machined, that they have the same defau | ||||||||
| Air springs maintain the rear ride height. | ||||||||
| Transmission | ||||||||
| Only listed when pricing a single model because insufficient data for all cars. | ||||||||
Option Package Contents
Performance Package
AWD
Driver Confidence and Cruise Package
Driver Confidence Package
Performance Package
AWD
Convenience Package
Adaptive Cruise Control Package
Sun and Liftgate Package
Driver Confidence Package
Premium Seating Package
AWD
Technology Package
Convenience Package
Adaptive Cruise Control Package
Sun and Liftgate Package
Driver Confidence Package
Infotainment 3 Plus system
AWD
Technology Package
Convenience Package
Adaptive Cruise Control Package
Sun and Liftgate Package
Driver Confidence Package
Infotainment 3 Plus system
Cargo Convenience Package
Cargo Convenience Package
Luxury Package
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