GMC Envoy vs. Dodge Viper Feature Comparison

Features Comparison: GMC Envoy vs. Dodge Viper

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Model Year	2008	2008	2008	2008-
Model	Envoy	Envoy	Envoy	Viper
Trim	SLE	SLT	Denali	SRT10
Engines (hide)
4.2L I6 DOHC-4v 285 hp@6000 276 lb-ft@4600
5.3L V8 OHV-2v 300 hp@5300 321 lb-ft@4000
8.4L V10 OHV-2v 645 hp@6200 600 lb-ft@5000
Transmissions (hide)
4-speed automatic
6-speed manual
Drivetrains (hide)
RWD
4WD w/low range
Final Drive Ratios (hide)
3.73 axle ratio
Tires (hide)
245/65R17 tires
245/60R18 tires
275/35ZR18 tires
345/30ZR19 tires
295/30ZR18 tires
Audio Systems (hide)
Unbranded, 6 speakers
Bose, 275W, 6 speakers
Unbranded, 310W, 7 speakers (with subwoofer)
Accessories (hide)
Air compressorAir compressor generally used to pump up springs or shocks can also be used to inflate tires, balls, etc.   [?]
Air compressor generally used to pump up springs or shocks can also be used to inflate tires, balls, etc.
Ashtray and lighter (optional)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.
Cruise control
Power front side windowsOften must be ordered with power rear side windows, if these are available.   [?]
Often must be ordered with power rear side windows, if these are available.
Power locks
Power rear side windows
Power-adjustable pedalsPedals adjust fore-and-aft to provide the optimal relationship with the steering wheel.   [?]
Pedals adjust fore-and-aft to provide the optimal relationship with the steering wheel.
Remote keyless entryUnlock and lock the car using buttons on the keyfob.   [?]
Unlock and lock the car using buttons on the keyfob.
Sound insulation, additionalOnly 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.
Tilt steering wheel, manual
Universal garage door openerHomelink.   [?]
Homelink.
Brakes, Airbags, and Other Safety (hide)
4-wheel disc brakesRear disc brakes.   [?]
Rear disc brakes.
AlarmOnly listed when pricing a single model because insufficient data for all cars.   [?]
Only listed when pricing a single model because insufficient data for all cars.
Antilock brakes (ABS)Automatically pulse the brakes in hard stops to prevent wheels from locking up, making it possible to brake and steer at the same time.   [?]
Automatically pulse the brakes in hard stops to prevent wheels from locking up, making it possible to brake and steer at the same time.
Front airbagsMandatory, in all cars.   [?]
Mandatory, in all cars.
Full-size spare tire
Side curtain airbagsAirbags contained just above the window level. Except in cars without a rear seat usually cover first and second row.   [?]
Airbags contained just above the window level. Except in cars without a rear seat usually cover first and second row.
Stability controlSelectively applies the brakes to prevent excessive understeer or oversteer (spinning).   [?]
Selectively applies the brakes to prevent excessive understeer or oversteer (spinning).
Tire-pressure monitorTwo types: a warning light when a tire is low on air and a pressure readout for each tire.   [?]
Two types: a warning light when a tire is low on air and a pressure readout for each tire.
Tires, run-flatCan be driven deflated for about 50 miles. Usually harm ride quality. Cars with these often have no spare tire.   [?]
Can be driven deflated for about 50 miles. Usually harm ride quality. Cars with these often have no spare tire.
Traction controlWhen a drive wheel slips, it is braked and/or engine power is reduced, restoring traction.   [?]
When a drive wheel slips, it is braked and/or engine power is reduced, restoring traction.
Cargo Management (hide)
Cargo cover
Cargo mat
Cargo net
Class IV trailer hitchHitch rated for up to 10,000 pounds. Capacity of the vehicle could be lower.   [?]
Hitch rated for up to 10,000 pounds. Capacity of the vehicle could be lower.
Console with shifter
Liftglass or two-piece tailgateDo not have to open entire tailgate to access the cargo area.   [?]
Do not have to open entire tailgate to access the cargo area.
Roof rack crossbarsRequires roof rails. Together constitute a roof rack.   [?]
Requires roof rails. Together constitute a roof rack.
Roof railsNo crossbars.   [?]
No crossbars.
Storage beneath cargo floorLarge storage area beneath the load floor, often compartmentalized.   [?]
Large storage area beneath the load floor, often compartmentalized.
Trailering equipment (7 wire)Includes seven-wire harness, necessary for larger trailers.   [?]
Includes seven-wire harness, necessary for larger trailers.
Climate Control (hide)
Air conditioning
Automatic climate control, frontMaintains set temperature in front row. Requires air conditioning and does not include its value.   [?]
Maintains set temperature in front row. Requires air conditioning and does not include its value.
Dual-zone climate controlTemperature can be separately set for left and right sides of the passenger compartment. 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.
Rear defrost
Rear heat ductsDucts under front seats direct heated air to the second row.   [?]
Ducts under front seats direct heated air to the second row.
Rear wiper
Variable intermittent wipersTime between wipes can be precisely adjusted.   [?]
Time between wipes can be precisely adjusted.
Drivetrain (hide)
Limited-slip rear differentialWhen one rear wheel spins, the differential locks up, sending power to the wheel with better traction.   [?]
When one rear wheel spins, the differential locks up, sending power to the wheel with better traction.
Engine / Motor (hide)
Engine-block heaterPlugs into electrical outlet to warm up the engine. Facilitates starting in extreme cold.   [?]
Plugs into electrical outlet to warm up the engine. Facilitates starting in extreme cold.
Exterior (hide)
Bodyside claddingProtective cladding extending partly onto the doors.   [?]
Protective cladding extending partly onto the doors.
Bodyside moldingsMoldings on the bodysides, to protect against door dings in parking lots.   [?]
Moldings on the bodysides, to protect against door dings in parking lots.
Bright-finished fuel doorChrome or satin-painted fuel door.   [?]
Chrome or satin-painted fuel door.
Deep-tinted rear windows
Front splitter spoilerSpoiler mounted beneath the nose of the car, to increase downforce.   [?]
Spoiler mounted beneath the nose of the car, to increase downforce.
Hood scoopScoop on the hood, often not functional and purely decorative.   [?]
Scoop on the hood, often not functional and purely decorative.
Hood stripesOnly 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.
Laminated front side windowsReduces interior noise, prevents side windows from shattering.   [?]
Reduces interior noise, prevents side windows from shattering.
Paint, special
Paint, special black
Paint, special red
Rear bumper protector
Rear spoilerCan be small lip spoiler or a larger raised spoiler.   [?]
Can be small lip spoiler or a larger raised spoiler.
Running boards
Special exterior trimOnly 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.
Sunroof
Tall rear wing-type spoilerLarge spoiler stands well above the trunk or hatch.   [?]
Large spoiler stands well above the trunk or hatch.
Gas Guzzler Tax (hide)
1700
Infotainment (hide)
Audio controls on steering wheel
CD changer, in-dashIncludes CD player.   [?]
Includes CD player.
CD player
Entertainment system, ceiling-mountedA DVD player and ceiling-mounted screen. Often includes a pair of wireless headphones.   [?]
A DVD player and ceiling-mounted screen. Often includes a pair of wireless headphones.
MP3-compatible playerAudio system capable of playing discs with MP3 files.   [?]
Audio system capable of playing discs with MP3 files.
Navigation systemScreen-based navigation system.   [?]
Screen-based navigation system.
Rear seat audio controlsAudio controls for rear seat passengers, usually to control output through headphone jacks.   [?]
Audio controls for rear seat passengers, usually to control output through headphone jacks.
Satellite radioXM or Sirius. Includes a subscription for three to six months, after which monthly fees apply.   [?]
XM or Sirius. Includes a subscription for three to six months, after which monthly fees apply.
Satellite radio - one year subscriptionXM or Sirius with one-year subscription.   [?]
XM or Sirius with one-year subscription.
Telematics service, such as OnStarIn-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. For 2011 and newer cars often includes a remote app. Monthly fee after the first 1-12 months.
Telematics service, such as OnStar, with navigationIn-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.   [?]
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.
Instruments, Lights, and Mirrors (hide)
Auto-dimming rearview mirrorInterior rearview mirror automatically dims when hit by headlights of following vehicle.   [?]
Interior rearview mirror automatically dims when hit by headlights of following vehicle.
Automatic headlightsHeadlights automatically turn on and off. Includes value of automatic-off headlights.   [?]
Headlights automatically turn on and off. Includes value of automatic-off headlights.
CompassWe haven't given this feature a value because it's hard to tell which cars have it.   [?]
We haven't given this feature a value because it's hard to tell which cars have it.
Cornering lightsLights illuminate area just ahead and to the side of the vehicle when the turn signals are used or the steering wheel is turned.   [?]
Lights illuminate area just ahead and to the side of the vehicle when the turn signals are used or the steering wheel is turned.
Fog lightsLight wide area close in front of the vehicle.   [?]
Light wide area close in front of the vehicle.
Headlight washers
Heated mirrorsClears ice and fog from mirrors.   [?]
Clears ice and fog from mirrors.
Illuminated visor mirror, driverIncludes value of non-illuminated vanity mirror.   [?]
Includes value of non-illuminated vanity mirror.
Illuminated visor mirror, passengerIncludes value of non-illuminated vanity mirror.   [?]
Includes value of non-illuminated vanity mirror.
Map lightsFront row reading lights.   [?]
Front row reading lights.
Outside temperature display
Perimeter approach lightingArea around the vehicle is illuminated when the vehicle is remotely unlocked.   [?]
Area around the vehicle is illuminated when the vehicle is remotely unlocked.
Power mirrorsIncludes value of manual remote mirrors.   [?]
Includes value of manual remote mirrors.
TachometerReports engine speed.   [?]
Reports engine speed.
Trip computerReports average fuel economy, and perhaps also instantaneous fuel economy, distance to empty, average speed, and other stats.   [?]
Reports average fuel economy, and perhaps also instantaneous fuel economy, distance to empty, average speed, and other stats.
Turn signals on or near mirrors
Visor mirror, driver
Visor mirror, passenger
Xenon HID headlightsProvide a brighter, whiter light than halogen headlights.   [?]
Provide a brighter, whiter light than halogen headlights.
Seats and Interior Trim (hide)
Front buckets
Second-row 2-section 3-person split bench
Center armrest(s), front row
Door sill trim plates
Floor mats
Folding second row seatsSeat folds to enlarge cargo area. Unless the seat is also removable, it usually folds flat or nearly flat.   [?]
Seat folds to enlarge cargo area. Unless the seat is also removable, it usually folds flat or nearly flat.
Heated front seats
Leather seating surfacesSeating surfaces are trimmed in leather; other upholstery tends to be leatherette.   [?]
Seating surfaces are trimmed in leather; other upholstery tends to be leatherette.
Leather-wrapped steering wheel
Manual lumbar adjuster, driver seatManually adjustable lower back support.   [?]
Manually adjustable lower back support.
Memory system, driver seat
No leather in second row
Power fore-aft adjuster, driver seat
Power fore-aft adjuster, passenger seat
Power height adjuster, driver seat
Power height adjuster, passenger seat
Power lumbar adjuster, driver seatPower-adjustable lower back support.   [?]
Power-adjustable lower back support.
Power lumbar adjuster, passenger seatPower-adjustable lower back support.   [?]
Power-adjustable lower back support.
Power recliner, driver seat
Power recliner, passenger seat
Power tilt adjuster, driver seatPower 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 tilt adjuster, passenger seatPower 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.
Synthetic suede inserts in leather seating surfacesSeating surfaces are part leather, part synthetic suede.   [?]
Seating surfaces are part leather, part synthetic suede.
Two-tone upholstery (optional)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.
Upgraded leather upholsteryNo additional value over leather upholstery because no way to standardize across all models.   [?]
No additional value over leather upholstery because no way to standardize across all models.
Wood/leather-wrapped steering wheelReal wood comprises part of the steering wheel rim.   [?]
Real wood comprises part of the steering wheel rim.
Suspension, Wheels, and Tires (hide)
Alloy wheels
Alloy wheels, optional designSame value as regular alloy wheels because no way to compare across models.   [?]
Same value as regular alloy wheels because no way to compare across models.
Dampers, manually adjustableSuspension dampers whose firmness can be manually adjusted. Far more difficult than hitting a button, but makes it possible to fine tune.   [?]
Suspension dampers whose firmness can be manually adjusted. Far more difficult than hitting a button, but makes it possible to fine tune.
Polished alloy wheelsAlloy 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   [?]
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
Rear air springs, auto-levelingAir springs maintain the rear ride height.   [?]
Air springs maintain the rear ride height.
Ultra-sport suspension (upgrade)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.
Transmission (hide)
Transmission coolerOnly listed when pricing a single model because insufficient data for all cars.   [?]
Only listed when pricing a single model because insufficient data for all cars.

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