BMW Z4 BMW Z4 2016 Cadillac CT6 Cadillac CT6 2018

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BMW Z4 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.

BMW Z4 vs. Cadillac CT6 Invoice Comparison

Lowest Total Price: $73,490

BMW Z4 sDrive35is   
Difference: $16,110

Lowest Total Invoice: $68,307

BMW Z4 sDrive35is   
Difference: $16,844

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162018
ModelZ4CT6
TrimsDrive35isPlatinum
Body2dr Hardtop conv.4dr Sedan
Base Price $66,350 $84,295
Base Invoice $61,720 $80,080
Technology Package 2,250  
Cold Weather Package 700  
Obstacle detection, rear 750  
Metallic paint (extra cost) 550  
Wood trim 0  
Engine-block heater 75 100
Cargo mat 60 150
Upholstered instrument panel, leather 1,350  
Cargo net 60 60
Satellite radio - one year subscription 350  
3.0L V6   4,000
Technology Package 2,050  
Cold Weather Package 635  
Obstacle detection, rear 685  
Metallic paint (extra cost) 500  
Wood trim 0  
Engine-block heater 66 89
Cargo mat 53 134
Upholstered instrument panel, leather 1,230  
Cargo net 53 53
Satellite radio - one year subscription 320  
3.0L V6   3,800
Options (change) 6,145 4,310
Options (change) 5,592 4,076
Destination 995 995
Total Price $73,490 $89,600
Total Invoice $68,307 $85,151

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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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TrueDelta Value Comparison: BMW Z4 vs. Cadillac CT6

Lowest Adjusted Price and Invoice: BMW Z4 sDrive35is
TrueDelta Adjusted Price Difference: $5,025
TrueDelta Adjusted Invoice Difference: $6,309
Model Year20162018
ModelZ4CT6
TrimsDrive35isPlatinum
Body2dr Hardtop conv.4dr Sedan
Engine335hp I6404hp V6
TransmissionS7T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)17/24 MPG18/26 MPG
Audio (watts, speakers)650, 16?, 34
Tire (rear if not all the same)225/40-18245/40-20
Total Price$73,490$89,600
Adjustments for Features0-11,085
Feature-Adjusted Total Price$73,490$78,515
Total Invoice$68,307$85,151
Adjustments for Features0-10,535
Feature-Adjusted Total Invoice$68,307$74,616

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Features Comparison: BMW Z4 vs. Cadillac CT6

Model Year20162018
ModelZ4CT6
TrimsDrive35isPlatinum
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed automated manual$1200 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
AC power outlet $100
Active noise reduction $0
Adaptive cruise control, all-speed $850
Cruise control$150 
Electronic engine sound enhancement $0
Hands-free trunk or liftgate $100
Power rear side windows $200
Power trunk closer $350
Remote start $150
Semi-automated parking system $500
Sunshades, second row $125
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Backup collision intervention $150
Blind spot warning system $200
Cross-traffic warning, rear $100
Following distance indicator $25
Forward collision warning $200
Hands-free driving on limited-access highways $1000
Lane departure warning $200
Lane keeping assist $400
Night vision $1750
Pedestrian detection $50
Radar- or camera-based collision preparation system $0
Roll bar$200 
Safety key $5
Side curtain airbags $350
Surround view video recorder $50
Temporary spare tire $150
Tires, run-flat$150 
Vehicle health reports $0
Cargo Management 
Ski sack$50 
Climate Control 
Automatic air recirculation$100 
Heated windshield washer nozzles$15 
Ionizing air filtration $50
Rear air vents with automatic controls $250
Rear dual-zone climate control $125
Engine / Motor 
Raised top speed limiter$0 
Regenerative braking$0 
Exterior 
Active grille shutters $0
Laminated front side windows $200
Panoramic sunroof $1200
Power retractable hardtop$6750 
Infotainment 
4G LTE connectivity $0
Android Auto support $100
Apple CarPlay support $100
CD player$125 
DVD-compatible player$0 
Entertainment system with dual headrest screens $1200
HDMI port $25
Media drive$15 
MP3-compatible player$50 
S Voice support$0 
Satellite radio $200
Satellite radio - one year subscription$250 
Siri Eyes Free support$0 
Streaming video device $30
Streaming video support $25
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Text dictation$50 
Traffic + travel information$25 
Traffic information $25
Voice recorder$0 
Wi-Fi hotspot $50
Wireless charging station $75
Instruments, Lights, and Mirrors 
Approach detection $25
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Compass$0 
Cornering lights $50
Fog lights$125 
Head-up display (HUD) $350
Headlight washers$50 
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Rear camera mirror $200
Steering-linked headlights$150 
Trip computer $150
Visor mirror, driver$10 
Visor mirror, passenger$10 
Xenon HID headlights$500 
Seats and Interior Trim 
Center armrest(s), second row $50
Cooled or ventilated front seats $300
Cooled or ventilated second row seats $200
Door sill trim plates$100 
Heated second row seats $200
Illuminated door sill trim plates $200
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Massage, driver seat $100
Massage, passenger seat $100
Massage, second row seats $150
Memory system, passenger seat $150
No leather in second row$-300 
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
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200 
Rear wheel steering $1500
Sport suspension (upgrade)$0 
Transmission 
Launch control$100 
Total Value of Features$10,900$21,985
Value of Feature Adjustments$0$11,085
Value of Feature Adjustments0-10,535

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Specifications Comparison: BMW Z4 vs. Cadillac CT6

Model Year20162018
ModelZ4CT6
Body2dr Hardtop conv.4dr Sedan
Wheelbase98.3 in122.4 in
Length166.9 in204.0 in
Width70.5 in74.0 in
Height50.8 in57.9 in
Curb Weight3,538 lb.4,085 lb.
Fuel Capacity14.5 gal.19.5 gal.
Row 1 Headroom39.1 in40.1 in
Row 1 Shoulder Room53.3 in58.3 in
Row 1 Hip Room0.0 in55.8 in
Row 1 Legroom42.2 in42.3 in
Row 2 Headroom0.0 in38.0 in
Row 2 Shoulder Room0.0 in56.1 in
Row 2 Hip Room0.0 in53.4 in
Row 2 Legroom0.0 in40.4 in
Cargo Volume10.9 ft315.3 ft3

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Option Package Details
BMW Z4 sDrive35is

Technology Package
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
Media drive15No
Traffic + travel information25No
App support0Yes
Remote app25Yes
Siri Eyes Free support0Yes
S Voice support0No
Text dictation50No
SMS text-to-speech reader25Yes
Voice recorder0No
Smartphone integration0No
Total Requested75089%
Total Not Requested9011%
Cold Weather Package
FeatureValueRequested?
Heated front seats200Yes
Heated steering wheel100Yes
Headlight washers50No
Total Requested30086%
Total Not Requested5014%

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