Model Year | 2017 | 2017 | 2017 | 2017 | 2009 | 2009 |
Model | CT6 | CT6 | CT6 | CT6 | Envoy | Envoy |
Trim | Luxury | Premium Luxury | Platinum | Plug-In | SLT | Denali |
Body | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr Sedan | 4dr SUV | 4dr SUV |
| | | | | | |
Transmission and Drivetrain | |
8-speed manually-shiftable automatic | $1300 | $1300 | $1300 | | | |
CVT | | | | $1000 | | |
4-speed automatic | | | | | $800 | $800 |
RWD | $0 | | | $0 | $0 | $0 |
AWD | | $1700 | $1700 | | | |
Accessories | |
AC power outlet | $100 | $100 | $100 | $100 | | |
Active noise reduction | $0 | $0 | $0 | $0 | | |
Adaptive cruise control, all-speed | | | $850 | $850 | | |
Air compressor | | | | | | $35 |
Cruise control | $150 | $150 | | | $150 | $150 |
Electronic engine sound enhancement | | | $0 | $0 | | |
Hands-free trunk or liftgate | $100 | $100 | $100 | | | |
Heated steering wheel | $100 | $100 | $100 | | | |
Power trunk closer | $350 | $350 | $350 | $350 | | |
Power-adjustable pedals | | | | | | $125 |
Proximity key | $250 | $250 | $250 | $250 | | |
Remote app | $25 | $25 | $25 | $25 | | |
Remote start | $150 | $150 | $150 | $150 | | |
Semi-automated parking system | $500 | $500 | $500 | $500 | | |
Sunshades, second row | $125 | $125 | $125 | $125 | | |
Tilt steering wheel, manual | | | | | $150 | $150 |
Tilt/telescoping steering wheel, power | $350 | $350 | $350 | $350 | | |
Brakes, Airbags, and Other Safety | |
Around view cameras | $500 | $500 | $500 | $500 | | |
Automatic braking, high-speed or partial | | | $200 | $200 | | |
Automatic braking, low-speed | $200 | $200 | $200 | $200 | | |
Backup collision intervention | | | $150 | $150 | | |
Blind spot warning system | $200 | $200 | $200 | $200 | | |
Brake assist | $50 | $50 | $50 | $50 | | |
Cross-traffic warning, rear | $100 | $100 | $100 | $100 | | |
Following distance indicator | $25 | $25 | $25 | $25 | | |
Forward collision warning | $200 | $200 | $200 | $200 | | |
Front side airbags | $350 | $350 | $350 | $350 | | |
Full-size spare tire | | | | | $225 | $225 |
Knee airbag, driver | $75 | $75 | $75 | $75 | | |
Knee airbag, passenger | $75 | $75 | $75 | $75 | | |
Lane departure warning | $200 | $200 | $200 | $200 | | |
Lane keeping assist | $400 | $400 | $400 | $400 | | |
Night vision | | | $1750 | $1750 | | |
Obstacle detection, front | $150 | $150 | $150 | $150 | | |
Obstacle detection, rear | $250 | $250 | $250 | $250 | | |
Pedestrian detection | $50 | $50 | $50 | $50 | | |
Radar- or camera-based collision preparation system | $0 | $0 | $0 | $0 | | |
Surround view video recorder | $50 | $50 | $50 | $50 | | |
Temporary spare tire | $150 | $150 | $150 | | | |
Vehicle health reports | $0 | $0 | $0 | $0 | | |
Cargo Management | |
Cargo cover | | | | | $75 | $75 |
Cargo mat | $40 | $40 | $40 | | $40 | $40 |
Cargo net | | | $40 | | $40 | $40 |
Class IV trailer hitch | | | | | $300 | $300 |
Liftglass or two-piece tailgate | | | | | $150 | $150 |
Rear seat pass-through | $100 | $100 | $100 | $100 | | |
Roof rack | | | | | $300 | $300 |
Trailering equipment (7 wire) | | | | | $150 | $150 |
Climate Control | |
Interior air filter | $0 | $0 | $0 | $0 | | |
Ionizing air filtration | $50 | $50 | $50 | | | |
Rain-sensing wipers | $175 | $175 | $175 | $175 | | |
Rear air vents | | | | $100 | | |
Rear air vents with automatic controls | $250 | $250 | $250 | | | |
Rear dual-zone climate control | $125 | $125 | $125 | | | |
Rear wiper | | | | | $175 | $175 |
Variable intermittent wipers | | | | | $75 | $75 |
Drivetrain | |
Limited-slip rear differential | | | | | | $300 |
Engine / Motor | |
18 kWh battery pack | | | | $0 | | |
3.6 kW onboard charger | | | | $0 | | |
Automatic start / stop | $150 | $150 | $150 | $150 | | |
Engine-block heater | $35 | $35 | $35 | | $35 | $35 |
Regeneration paddles | | | | $100 | | |
Exterior | |
Active grille shutters | $0 | $0 | $0 | $0 | | |
Bodyside cladding | | | | | | $350 |
Bodyside moldings | | | | | $75 | |
Bright-finished exhaust tip(s) | $25 | $25 | $25 | $25 | | |
Deep-tinted rear windows | | | | | $275 | $275 |
Laminated front side windows | $200 | $200 | $200 | $200 | | $200 |
Panoramic sunroof | $1200 | $1200 | $1200 | $1200 | | |
Rear bumper protector | | | | | $40 | $40 |
Running boards | | | | | | $350 |
Sunroof | | | | | $900 | $900 |
Infotainment | |
4G LTE connectivity | $0 | $0 | $0 | $0 | | |
Android Auto support | $100 | $100 | $100 | $100 | | |
App support | $0 | $0 | $0 | $0 | | |
Apple CarPlay support | $100 | $100 | $100 | $100 | | |
Aux input | $50 | $50 | $50 | $50 | | |
Bluetooth audio streaming | $25 | $25 | $25 | $25 | | |
CD player | | | | | $125 | $125 |
CD player, remote | $100 | $100 | | | | |
Entertainment system with dual headrest screens | $1200 | $1200 | $1200 | $1200 | | |
Entertainment system, ceiling-mounted | | | | | $1000 | $1000 |
HD radio | $50 | $50 | $50 | $50 | | |
HDMI port | $25 | $25 | $25 | $25 | | |
MP3-compatible player | $50 | $50 | | | | |
SMS text-to-speech reader | $25 | $25 | $25 | $25 | | |
Streaming video device | $30 | $30 | $30 | | | |
Streaming video support | $25 | $25 | $25 | | | |
Surround sound | $250 | $250 | $250 | $250 | | |
Telematics service, such as OnStar | | | | | $200 | $200 |
Telematics service, such as OnStar, with navigation | $225 | $225 | $225 | $225 | | |
Traffic information | $25 | $25 | $25 | $25 | | |
USB port | $25 | $25 | $25 | $25 | | |
Voice control for external devices | $0 | $0 | $0 | $0 | | |
Voice control for nav and audio | $100 | $100 | $100 | $100 | | |
Wi-Fi hotspot | $50 | $50 | $50 | $50 | | |
Wireless charging station | $75 | $75 | $75 | $75 | | |
Instruments, Lights, and Mirrors | |
Approach detection | $25 | $25 | $25 | $25 | | |
Auto-dimming driver-side mirror | $75 | $75 | $75 | $75 | | |
Auto-dimming headlights | $200 | $200 | $200 | $200 | | |
Compass | | | | | $0 | $0 |
Fog lights | | | | | $125 | $125 |
Head-up display (HUD) | | $350 | $350 | $350 | | |
Headlight washers | | | | | $50 | $50 |
Interior ambient lighting | $150 | $150 | $150 | $150 | | |
Large color reconfigurable instrument cluster display | | $250 | $250 | $250 | | |
Large energy flow and fuel economy display | | | | $25 | | |
LED headlights | $1000 | $1000 | $1000 | $1000 | | |
Power-folding mirrors | $50 | $50 | $50 | $50 | | |
Rear camera mirror | $200 | $200 | $200 | $200 | | |
Tachometer | $75 | $75 | $75 | | $75 | $75 |
Seats and Interior Trim | |
Center armrest(s), second row | $50 | $50 | $50 | $50 | | |
Cooled or ventilated front seats | $300 | | $300 | $300 | | |
Cooled or ventilated second row seats | | | $200 | | | |
Door sill trim plates | | | | | $100 | $100 |
Folding second row seats | | | | | $300 | $300 |
Heated second row seats | $200 | | $200 | $200 | | |
Illuminated door sill trim plates | $200 | $200 | $200 | $200 | | |
Leather door panel trim | | | $250 | | | |
Leather-wrapped steering wheel | $150 | $150 | $150 | $150 | $150 | |
Massage, driver seat | | | $100 | | | |
Massage, passenger seat | | | $100 | | | |
Massage, second row seats | | | $150 | | | |
Memory system, passenger seat | $150 | $150 | $150 | $150 | | |
Power 4-way lumbar adjuster, driver seat | $150 | $150 | $150 | $150 | | |
Power 4-way lumbar adjuster, passenger seat | $150 | $150 | $150 | $150 | | |
Power 4-way lumbar adjuster, second row seats | | | $225 | | | |
Power lumbar adjuster, driver seat | | | | | $100 | $100 |
Power lumbar adjuster, passenger seat | | | | | $100 | $100 |
Power recliner, second row seats | | | $150 | | | |
Power thigh support length adjuster, driver seat | | | $100 | | | |
Power thigh support length adjuster, passenger seat | | | $100 | | | |
Power tilt adjuster, second row seats | | | $150 | | | |
Power upper seatback recliner, driver seat | | | $100 | | | |
Power upper seatback recliner, passenger seat | | | $100 | | | |
Synthetic suede headliner | | | $650 | | | |
Upholstered instrument panel | $300 | $300 | | $300 | | |
Upholstered instrument panel, leather | | | $1000 | | | |
Wood trim | $300 | $300 | $300 | $300 | | |
Wood/leather-wrapped steering wheel | | | | | | $150 |
Suspension, Wheels, and Tires | |
Adaptive dampers - electrical | | | $500 | | | |
Alloy wheels | $350 | $350 | $350 | $350 | | |
Polished alloy wheels | | | | | $350 | $350 |
Rear air springs, auto-leveling | | | | | | $350 |
Rear wheel steering | | | $1500 | | | |
Transmission | |
Steering-wheel-mounted transmission controls | $100 | $100 | $100 | | | |
Total Value of Features | $15,580 | $17,380 | $25,645 | $17,675 | $6,630 | $8,265 |
Value of Feature Adjustments | $8,950 | $10,750 | $19,015 | $11,045 | $0 | $1,635 |
Value of Feature Adjustments | -8,462 | -10,185 | -18,071 | -10,440 | 0 | -1,515 |