Mercury Grand Marquis Mercury Grand Marquis 2010 Cadillac CT6 Cadillac CT6 2016

We are 103,000+ car owners sharing real-world car information.

Join Us

Mercury Grand Marquis vs. Cadillac CT6 Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Mercury Grand Marquis vs. Cadillac CT6 Invoice Comparison

Lowest Total Price: $31,280

Mercury Grand Marquis LS   
Difference: $23,955

Lowest Total Invoice: $29,463

Mercury Grand Marquis LS   
Difference: $22,741

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102016201620162016
ModelGrand MarquisCT6CT6CT6CT6
TrimLSBaseLuxuryPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $29,810 $53,495 $58,395 $63,570 $83,465
Base Invoice $28,070 $50,553 $54,891 $59,438 $78,040
Wood/leather-wrapped steering wheel 300        
Heated front seats 295        
Metallic paint (extra cost)   495 495 495 495
CD player, remote   250 250 250  
Wood/leather-wrapped steering wheel 261        
Heated front seats 257        
Metallic paint (extra cost)   436 436 436 436
CD player, remote   220 220 220  
Options (change) 595 745 745 745 495
Options (change) 518 656 656 656 436
Destination 875 995 995 995 995
Total Price $31,280 $55,235 $60,135 $65,310 $84,955
Total Invoice $29,463 $52,204 $56,542 $61,089 $79,471

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Mercury Grand Marquis dealer quotes or Cadillac CT6 dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Mercury Grand Marquis vs. Cadillac CT6

Lowest Adjusted Price and Invoice: Mercury Grand Marquis LS
TrueDelta Adjusted Price Difference: $17,805
TrueDelta Adjusted Invoice Difference: $16,689
Model Year20102016201620162016
ModelGrand MarquisCT6CT6CT6CT6
TrimLSBaseLuxuryPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine224hp V8265hp I4265hp I4335hp V6335hp V6
TransmissionA4T8T8T8T8
DrivetrainRWDRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 4?, 8?, 10?, 10?, 34
Tire (rear if not all the same)225/60-17235/50-18235/50-18245/45-19245/40-20
Total Price$31,280$55,235$60,135$65,310$84,955
Adjustments for Features0-6,075-11,050-14,750-24,525
Feature-Adjusted Total Price$31,280$49,160$49,085$50,560$60,430
Cost Above Minimum$0$75$0$1,475$11,345
Total Invoice$29,463$52,204$56,542$61,089$79,471
Adjustments for Features0-5,742-10,390-13,797-22,942
Feature-Adjusted Total Invoice$29,463$46,462$46,152$47,292$56,529
Cost Above Minimum$0$310$0$1,140$10,377

Return to top

Features Comparison: Mercury Grand Marquis vs. Cadillac CT6

Model Year20102016201620162016
ModelGrand MarquisCT6CT6CT6CT6
TrimLSBaseLuxuryPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
4-speed automatic$800    
8-speed manually-shiftable automatic $1300$1300$1300$1300
RWD$0$0$0  
AWD   $1700$1700
Accessories 
AC power outlet  $100$100$100
Active noise reduction $0$0$0$0
Adaptive cruise control, all-speed    $850
Cruise control$150$150$150$150 
Electronic engine sound enhancement    $0
Hands-free trunk or liftgate  $100$100$100
Heated steering wheel  $100$100$100
Keyless entry keypad$50    
Power trunk closer  $350$350$350
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
Sunshades, second row  $125$125$125
Tilt steering wheel, manual$150    
Tilt/telescoping steering wheel, power $350$350$350$350
Universal garage door opener $100$100$100$100
Brakes, Airbags, and Other Safety 
Around view cameras  $500$500$500
Automatic braking, high-speed or partial    $200
Automatic braking, low-speed  $200$200$200
Backup collision intervention    $150
Blind spot warning system  $200$200$200
Cross-traffic warning, rear  $100$100$100
Following distance indicator  $25$25$25
Forward collision warning  $200$200$200
Knee airbag, driver $75$75$75$75
Knee airbag, passenger $75$75$75$75
Lane departure warning  $200$200$200
Lane keeping assist  $400$400$400
Night vision    $1750
Obstacle detection, front $150$150$150$150
Obstacle detection, rear $250$250$250$250
Pedestrian detection  $50$50$50
Radar- or camera-based collision preparation system  $0$0$0
Rearview camera $200   
Side curtain airbags $350$350$350$350
Stability control $400$400$400$400
Surround view video recorder  $50$50$50
Vehicle health reports $0$0$0$0
Cargo Management 
Console with shifter $150$150$150$150
Rear seat pass-through $100$100$100$100
Climate Control 
Dual-zone climate control $125$125$125$125
Ionizing air filtration    $50
Rain-sensing wipers  $175$175$175
Rear air vents $100$100$100 
Rear air vents with automatic controls    $250
Rear dual-zone climate control    $125
Variable intermittent wipers$75$75   
Engine / Motor 
Automatic start / stop $150$150$150$150
Exterior 
Active grille shutters $0$0$0$0
Bodyside moldings$75    
Bright-finished exhaust tip(s) $25$25$25$25
Laminated front side windows $200$200$200$200
Panoramic sunroof   $1200$1200
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
Bluetooth cell phone link $100$100$100$100
CD player$125    
CD player, remote $100$100$100 
Entertainment system with dual headrest screens    $1200
HD radio $50$50$50$50
HDMI port    $25
MP3-compatible player $50$50$50 
Navigation system  $600$600$600
Satellite radio $200$200$200$200
SMS text-to-speech reader $25$25$25$25
Surround sound  $250$250$250
Telematics service, such as OnStar, with navigation $225$225$225$225
Traffic information  $25$25$25
USB port $25$25$25$25
Voice control for audio system $25   
Voice control for external devices $0$0$0$0
Voice control for nav and audio  $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
Auto-dimming headlights  $200$200$200
Compass$0    
Cornering lights$50 $50$50$50
Fog lights$125    
Head-up display (HUD)   $350$350
Interior ambient lighting $150$150$150$150
Large color reconfigurable instrument cluster display   $250$250
LED headlights $1000$1000$1000$1000
Power-folding mirrors  $50$50$50
Rear camera mirror   $200$200
Tachometer $75$75$75$75
Turn signals on or near mirrors $25$25$25$25
Seats and Interior Trim 
Cooled or ventilated front seats    $300
Cooled or ventilated second row seats    $200
Coordinated climate control, front seats  $0$0$0
Door sill trim plates $100   
Heated front seats$200 $200$200$200
Heated second row seats    $200
Illuminated door sill trim plates  $200$200$200
Leather door panel trim    $250
Leather-wrapped steering wheel $150$150$150$150
Massage, driver seat    $100
Massage, passenger seat    $100
Massage, second row seats    $150
Memory system, driver seat $200$200$200$200
Memory system, passenger seat  $150$150$150
Power 4-way lumbar adjuster, driver seat  $150$150$150
Power 4-way lumbar adjuster, passenger seat  $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
Rear air springs, auto-leveling$350    
Rear wheel steering    $1500
Whitewall tires$0    
Transmission 
Steering-wheel-mounted transmission controls $100$100$100$100
Total Value of Features$2,500$8,575$13,550$17,250$27,025
Value of Feature Adjustments$0$6,075$11,050$14,750$24,525
Value of Feature Adjustments0-5,742-10,390-13,797-22,942

Return to top

Specifications Comparison: Mercury Grand Marquis vs. Cadillac CT6

Model Year20102016
ModelGrand MarquisCT6
Body4dr Sedan4dr Sedan
Wheelbase114.6 in122.4 in
Length212.0 in204.0 in
Width78.3 in74.0 in
Height58.3 in57.9 in
Curb Weight4,136 lb.3,648 lb.
Fuel Capacity19.0 gal.19.5 gal.
Row 1 Headroom39.5 in40.1 in
Row 1 Shoulder Room60.6 in58.3 in
Row 1 Hip Room57.4 in55.8 in
Row 1 Legroom41.6 in42.3 in
Row 2 Headroom37.8 in38.0 in
Row 2 Shoulder Room60.0 in56.1 in
Row 2 Hip Room56.1 in53.4 in
Row 2 Legroom38.0 in40.4 in
Cargo Volume20.6 ft315.3 ft3

Return to top

Option Package Details
Cadillac CT6

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50No
Total Requested10067%
Total Not Requested5033%

Option Package Details
Cadillac CT6 Luxury

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50No
Total Requested10067%
Total Not Requested5033%

Option Package Details
Cadillac CT6 Premium Luxury

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50No
Total Requested10067%
Total Not Requested5033%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Mercury models.