BMW Z4 BMW Z4 2014 Cadillac STS Cadillac STS 2009

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BMW Z4 vs. Cadillac STS 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 STS Invoice Comparison

Lowest Total Price: $73,410

BMW Z4 sDrive35is   
Difference: $9,725

Lowest Total Invoice: $67,724

BMW Z4 sDrive35is   
Difference: $8,682

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  Down Payment Interest Rate Term
Model Year20142009
ModelZ4STS
TrimsDrive35isSTS-V
Body2dr Hardtop conv.4dr Sedan
Base Price $65,800 $80,160
Base Invoice $60,715 $73,448
Cold Weather Package 700  
Technology Package 2,250  
Metallic paint (extra cost) 550  
Upholstered instrument panel, leather 1,350  
Obstacle detection, rear 750  
Cargo net 60  
Wood trim 0  
Engine-block heater 75 100
Satellite radio - one year subscription 350  
CD changer, remote 600  
Cold Weather Package 635  
Technology Package 2,050  
Metallic paint (extra cost) 500  
Upholstered instrument panel, leather 1,230  
Obstacle detection, rear 685  
Cargo net 53  
Wood trim 0  
Engine-block heater 66 83
Satellite radio - one year subscription 320  
CD changer, remote 545  
Options (change) 6,685 100
Options (change) 6,084 83
Destination 925 775
Gas Tax 0 2,100
Total Price $73,410 $83,135
Total Invoice $67,724 $76,406

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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 BMW Z4 dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: BMW Z4 vs. Cadillac STS

Lowest Adjusted Price and Invoice: BMW Z4 sDrive35is
TrueDelta Adjusted Price Difference: $15,660
TrueDelta Adjusted Invoice Difference: $14,157
Model Year20142009
ModelZ4STS
TrimsDrive35isSTS-V
Body2dr Hardtop conv.4dr Sedan
Engine335hp I6469hp V8
TransmissionS7T6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)17/24 MPG13/19 MPG
Audio (watts, speakers)650, 16300, 15
Tire (rear if not all the same)225/40-18255/45-18
Total Price$73,410$83,135
Adjustments for Features-5,9350
Feature-Adjusted Total Price$67,475$83,135
Total Invoice$67,724$76,406
Adjustments for Features-5,4750
Feature-Adjusted Total Invoice$62,249$76,406

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Features Comparison: BMW Z4 vs. Cadillac STS

Model Year20142009
ModelZ4STS
TrimsDrive35isSTS-V
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed automated manual$1200 
6-speed manually-shiftable automatic $1100
RWD$0$0
Accessories 
Power rear side windows $200
Remote app$25 
Remote start $150
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Blind spot warning system $200
Knee airbag, driver$75 
Knee airbag, passenger$75 
Lane departure warning $200
Obstacle detection, front$150 
Roll bar$200 
Side curtain airbags $350
Cargo Management 
Ski sack$50 
Climate Control 
Rear air vents with manual controls $150
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Automatic start / stop$150 
Raised top speed limiter$0 
Regenerative braking$0 
Exterior 
Laminated front side windows $200
Power retractable hardtop$6750 
Rear spoiler $200
Infotainment 
App support$0 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD changer, remote$200 
CD player$125 
HD radio$50 
Media drive$15 
MP3-compatible player$50 
Rear seat audio controls $25
S Voice support$0 
Satellite radio $200
Satellite radio - one year subscription$250 
Siri Eyes Free support$0 
SMS text-to-speech reader$25 
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Text dictation$50 
Traffic + travel information$25 
USB port$25 
Voice control for external devices$0 
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Compass$0 
Head-up display (HUD) $350
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
Interior ambient lighting$150 
Power-folding mirrors$50 
Steering-linked headlights$150 
Trip computer $150
Visor mirror, driver$10 
Visor mirror, passenger$10 
Seats and Interior Trim 
Center armrest(s), second row $50
Heated second row seats $200
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
No leather in second row$-300 
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Auto-leveling rear shocks $200
Electronic systems calibration selector$200 
Performance steering system (optional) $0
Transmission 
Launch control$100 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$11,360$5,425
Value of Feature Adjustments$5,935$0
Value of Feature Adjustments-5,4750

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Specifications Comparison: BMW Z4 vs. Cadillac STS

Model Year20142009
ModelZ4STS
Body2dr Hardtop conv.4dr Sedan
Wheelbase98.3 in116.4 in
Length166.9 in196.7 in
Width70.5 in72.6 in
Height50.8 in57.6 in
Curb Weight3,538 lb.4,233 lb.
Fuel Capacity14.5 gal.17.0 gal.
Row 1 Headroom39.1 in38.7 in
Row 1 Shoulder Room53.3 in58.6 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom42.2 in42.6 in
Row 2 Headroom0.0 in37.9 in
Row 2 Shoulder Room0.0 in57.4 in
Row 2 Hip Room0.0 in55.6 in
Row 2 Legroom0.0 in38.3 in
Cargo Volume10.9 ft313.8 ft3

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Option Package Details
BMW Z4 sDrive35is

Cold Weather Package
FeatureValueRequested?
Heated front seats200Yes
Heated steering wheel100Yes
Headlight washers50Yes
Total Requested350100%
Total Not Requested00%
Technology Package
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
Media drive, large15No
Traffic + travel information25No
Smartphone integration0No
App support0No
Text dictation50No
Siri Eyes Free support0No
S Voice support0No
Total Requested70089%
Total Not Requested9011%

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