BMW Z4 BMW Z4 2007 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: $56,500

BMW Z4 M Coupe   
Difference: $26,535

Lowest Total Invoice: $51,985

BMW Z4 M Coupe   
Difference: $24,338

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072009
ModelZ4STS
TrimM CoupeSTS-V
Body2dr Hatch4dr Sedan
Base Price $50,100 $80,160
Base Invoice $46,090 $73,448
Premium Package 2,850  
Metallic paint (extra cost) 475  
Navigation system 1,800  
Wood trim 0  
Heated front seats 500  
Premium Package 2,595  
Metallic paint (extra cost) 430  
Navigation system 1,640  
Wood trim 0  
Heated front seats 455  
Options (change) 5,625 0
Options (change) 5,120 0
Destination 775 775
Gas Tax 0 2,100
Total Price $56,500 $83,035
Total Invoice $51,985 $76,323

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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.

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: BMW Z4 vs. Cadillac STS

Lowest Adjusted Price and Invoice: BMW Z4 M Coupe
TrueDelta Adjusted Price Difference: $20,290
TrueDelta Adjusted Invoice Difference: $18,598
Model Year20072009
ModelZ4STS
TrimM CoupeSTS-V
Body2dr Hatch4dr Sedan
Engine330hp I6469hp V8
TransmissionM6T6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)16/24 MPG13/19 MPG
Audio (watts, speakers)430, 10300, 15
Tire (rear if not all the same)225/45-18255/45-18
Total Price$56,500$83,035
Adjustments for Features0-6,245
Feature-Adjusted Total Price$56,500$76,790
Total Invoice$51,985$76,323
Adjustments for Features0-5,740
Feature-Adjusted Total Invoice$51,985$70,583

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Features Comparison: BMW Z4 vs. Cadillac STS

Model Year20072009
ModelZ4STS
TrimM CoupeSTS-V
Body2dr Hatch4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
6-speed manually-shiftable automatic $1100
RWD$0$0
Accessories 
Heated steering wheel $100
Power rear side windows $200
Proximity key $250
Remote start $150
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Universal garage door opener $100
Brakes, Airbags, and Other Safety 
Blind spot warning system $200
Knee airbag, driver$75 
Knee airbag, passenger$75 
Lane departure warning $200
Obstacle detection, rear $250
Side curtain airbags $350
Tires, run-flat $150
Cargo Management 
Cargo cover$75 
Cargo net $40
Rear seat pass-through $100
Climate Control 
Dual-zone climate control $125
Rear air vents with manual controls $150
Exterior 
Laminated front side windows $200
Rear spoiler $200
Infotainment 
Aux input$50 
CD changer, in-dash $325
CD player$125 
DVD-compatible player $0
MP3-compatible player$50 
Rear seat audio controls $25
Satellite radio $200
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Head-up display (HUD) $350
Illuminated visor mirror, driver $50
Illuminated visor mirror, passenger $50
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 
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Synthetic suede inserts in leather seating surfaces $0
Upholstered instrument panel, leather $1000
Suspension, Wheels, and Tires 
Auto-leveling rear shocks $200
Performance steering system (optional) $0
Total Value of Features$1,245$7,490
Value of Feature Adjustments$0$6,245
Value of Feature Adjustments0-5,740

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See a complete comparison of BMW Z4 vs. Cadillac STS features.

Specifications Comparison: BMW Z4 vs. Cadillac STS

Model Year20072009
ModelZ4STS
Body2dr Hatch4dr Sedan
Wheelbase98.2 in116.4 in
Length161.9 in196.7 in
Width70.1 in72.6 in
Height49.9 in57.6 in
Curb Weight3,219 lb.4,233 lb.
Fuel Capacity14.5 gal.17.0 gal.
Row 1 Headroom37.3 in38.7 in
Row 1 Shoulder Room52.5 in58.6 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom42.0 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 Volume9.2 ft313.8 ft3

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See a complete comparison of BMW Z4 vs. Cadillac STS specs.

Option Package Details
BMW Z4 M Coupe

Premium Package
FeatureValueRequested?
Cruise control150Yes
Surround sound250Yes
THX-certified, 430W, 10 speakers (with subwoofer)350No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Telematics service, such as OnStar200Yes
Bluetooth cell phone link100Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Total Requested182581%
Total Not Requested42519%

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