Cadillac CT6 Cadillac CT6 2016 Buick Regal Buick Regal 2018

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Cadillac CT6 vs. Buick Regal 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.

Cadillac CT6 vs. Buick Regal Invoice Comparison

Lowest Total Price: $45,040

Buick Regal GS   
Difference: $21,555

Lowest Total Invoice: $43,021

Buick Regal GS   
Difference: $19,199

Calculate Payments

  Down Payment Interest Rate Term
Model Year201620162018
ModelCT6CT6Regal
TrimPremium LuxuryPlatinumGS
Body4dr Sedan4dr Sedan4dr Hatch
Base Price $63,570 $83,465 $39,065
Base Invoice $59,438 $78,040 $37,502
Comfort Package 900    
Metallic paint (extra cost) 495 495 395
Cargo organizer 140 140 140
Rear spoiler 495 495  
Appearance Package     485
Sights and Sounds Package     945
Driver Confidence Package #2     1,690
Illuminated door sill trim plates     395
Sunroof     1,000
Comfort Package 792    
Metallic paint (extra cost) 436 436 359
Cargo organizer 123 123 127
Rear spoiler 436 436  
Appearance Package     441
Sights and Sounds Package     860
Driver Confidence Package #2     1,538
Illuminated door sill trim plates     359
Sunroof     910
Options (change) 2,030 1,130 5,050
Options (change) 1,787 995 4,594
Destination 995 995 925
Total Price $66,595 $85,590 $45,040
Total Invoice $62,220 $80,030 $43,021

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

Dealer Price Quotes

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Request free, no-obligation Cadillac CT6 dealer quotes or Buick Regal dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Cadillac CT6 vs. Buick Regal

Lowest Adjusted Price and Invoice: Buick Regal GS
TrueDelta Adjusted Price Difference: $20,825
TrueDelta Adjusted Invoice Difference: $18,517
Model Year201620162018
ModelCT6CT6Regal
TrimPremium LuxuryPlatinumGS
Body4dr Sedan4dr Sedan4dr Hatch
Engine335hp V6335hp V6310hp V6
TransmissionT8T8T9
DrivetrainAWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 10?, 34?, 8
Tire (rear if not all the same)245/45-19245/40-20245/40-19
Total Price$66,595$85,590$45,040
Adjustments for Features-730-10,1550
Feature-Adjusted Total Price$65,865$75,435$45,040
Cost Above Minimum$0$9,570$0
Total Invoice$62,220$80,030$43,021
Adjustments for Features-682-9,4950
Feature-Adjusted Total Invoice$61,538$70,535$43,021
Cost Above Minimum$0$8,997$0

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Features Comparison: Cadillac CT6 vs. Buick Regal

Model Year201620162018
ModelCT6CT6Regal
TrimPremium LuxuryPlatinumGS
Body4dr Sedan4dr Sedan4dr Hatch
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300 
9-speed manually-shiftable automatic  $1400
AWD$1700$1700$1700
Accessories 
AC power outlet$100$100 
Adaptive cruise control, all-speed $850$850
Cruise control$150  
Electronic engine sound enhancement $0 
Hands-free trunk or liftgate$100$100 
Power trunk closer$350$350 
Semi-automated parking system$500$500 
Sunshades, second row$125$125 
Tilt/telescoping steering wheel, manual  $250
Tilt/telescoping steering wheel, power$350$350 
Brakes, Airbags, and Other Safety 
Around view cameras$500$500 
Automatic braking, high-speed or partial $200$200
Backup collision intervention $150 
Lane departure prevention, steering-based  $200
Lane keeping assist$400$400 
Night vision $1750 
Rear side airbags  $300
Rearview camera  $200
Rollover sensor  $50
Safety key  $5
Surround view video recorder$50$50 
Temporary spare tire$150$150 
Cargo Management 
Cargo cover  $75
Cargo net  $40
Rear seat pass-through$100$100 
Climate Control 
Ionizing air filtration $50 
Rain-sensing wipers$175$175 
Rear air vents$100 $100
Rear air vents with automatic controls $250 
Rear dual-zone climate control $125 
Variable intermittent wipers  $75
Drivetrain 
Active rear differential  $500
Engine / Motor 
Automatic start / stop$150$150 
Exterior 
Active grille shutters$0$0 
Body kit  $0
Painted brake calipers (optional)  $0
Panoramic sunroof$1200$1200 
Sunroof  $900
Infotainment 
Entertainment system with dual headrest screens $1200 
HDMI port $25 
Surround sound$250$250 
Traffic information$25$25 
Instruments, Lights, and Mirrors 
Approach detection$25$25 
Auto-dimming headlights$200$200 
Compass  $0
Performance meter  $150
Power-folding mirrors$50$50 
Rear camera mirror$200$200 
Seats and Interior Trim 
Cooled or ventilated second row seats $200 
Coordinated climate control, front seats$0$0 
Folding second row seats  $300
Heated second row seats$200$200 
Leather door panel trim $250 
Manual thigh support length adjuster, driver seat  $50
Manual thigh support length adjuster, passenger seat  $50
Massage, driver seat $100$100
Massage, passenger seat $100$100
Massage, second row seats $150 
Memory system, passenger seat$150$150 
Metal pedals  $75
Power 4-way lumbar adjuster, second row seats $225 
Power recliner, second row seats $150 
Power seatback bolsters, driver seat  $100
Power seatback bolsters, passenger seat  $100
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  
Upholstered instrument panel, leather $1000 
Wood trim$300$300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500
Electronic systems calibration selector  $200
Rear wheel steering $1500 
Transmission 
Steering-wheel-mounted transmission controls$100$100 
Total Value of Features$9,300$18,725$8,570
Value of Feature Adjustments$730$10,155$0
Value of Feature Adjustments-682-9,4950

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Specifications Comparison: Cadillac CT6 vs. Buick Regal

Model Year20162018
ModelCT6Regal
Body4dr Sedan4dr Hatch
Wheelbase122.4 in111.4 in
Length204.0 in192.9 in
Width74.0 in73.3 in
Height57.9 in57.3 in
Curb Weight3,648 lb.4,082 lb.
Fuel Capacity19.5 gal.16.3 gal.
Row 1 Headroom40.1 in38.8 in
Row 1 Shoulder Room58.3 in56.9 in
Row 1 Hip Room55.8 in55.2 in
Row 1 Legroom42.3 in42.1 in
Row 2 Headroom38.0 in37.4 in
Row 2 Shoulder Room56.1 in55.4 in
Row 2 Hip Room53.4 in54.1 in
Row 2 Legroom40.4 in36.9 in
Cargo Volume,
Minimum
15.3 ft331.5 ft3
Cargo Volume,
Maximum
15.360.7 ft3

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Option Package Details
Cadillac CT6 Premium Luxury

Comfort Package
FeatureValueRequested?
Heated second row seats200No
Cooled or ventilated front seats300Yes
Total Requested30060%
Total Not Requested20040%

Option Package Details
Buick Regal GS

Appearance Package
FeatureValueRequested?
Cornering lights50Yes
LED headlights1000Yes
Wireless charging station75Yes
Total Requested1125100%
Total Not Requested00%
Sights and Sounds Package
FeatureValueRequested?
Navigation system600Yes
Bose, 8 speakers (with subwoofer)350No
Voice control for nav and audio75Yes
HD radio50Yes
Speed limit information0No
Total Requested72567%
Total Not Requested35033%
Driver Confidence Package #2
FeatureValueRequested?
Head-up display (HUD)350Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Automatic braking, high-speed or partial200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200Yes
Pedestrian detection50Yes
Following distance indicator25Yes
Total Requested2125100%
Total Not Requested00%

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