BMW Z4 BMW Z4 2007 Cadillac STS Cadillac STS 2011

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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: $46,450

BMW Z4 3.0si   
Difference: $10,805

Lowest Total Invoice: $42,750

BMW Z4 3.0si   
Difference: $11,404

Calculate Payments

  Down Payment Interest Rate Term
Model Year200720072011
ModelZ4Z4STS
Trim3.0siM CoupePremium
Body2dr Hatch2dr Hatch4dr Sedan
Base Price $40,400 $50,100 $56,380
Base Invoice $37,170 $46,090 $53,279
Premium Package 2,250 2,850  
Metallic paint (extra cost) 475 475  
Wood trim 0 0  
Heated front seats 500 500  
Headlight washers 250    
Navigation system 1,800 1,800  
Premium Package 2,050 2,595  
Metallic paint (extra cost) 430 430  
Wood trim 0 0  
Heated front seats 455 455  
Headlight washers 230    
Navigation system 1,640 1,640  
Options (change) 5,275 5,625 0
Options (change) 4,805 5,120 0
Destination 775 775 875
Total Price $46,450 $56,500 $57,255
Total Invoice $42,750 $51,985 $54,154

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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 3.0si
TrueDelta Adjusted Price Difference: $6,025
TrueDelta Adjusted Invoice Difference: $6,883
Model Year200720072011
ModelZ4Z4STS
Trim3.0siM CoupePremium
Body2dr Hatch2dr Hatch4dr Sedan
Engine255hp I6330hp I6302hp V6
TransmissionM6M6T6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)430, 10430, 10300, 15
Tire (rear if not all the same)225/45-17225/45-18235/50-18
Total Price$46,450$56,500$57,255
Adjustments for Features0-250-4,780
Feature-Adjusted Total Price$46,450$56,250$52,475
Cost Above Minimum$0$9,800$0
Total Invoice$42,750$51,985$54,154
Adjustments for Features0-230-4,521
Feature-Adjusted Total Invoice$42,750$51,755$49,633
Cost Above Minimum$0$9,005$0

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Features Comparison: BMW Z4 vs. Cadillac STS

Model Year200720072011
ModelZ4Z4STS
Trim3.0siM CoupePremium
Body2dr Hatch2dr Hatch4dr Sedan
Transmission and Drivetrain 
6-speed manual$150$150 
6-speed manually-shiftable automatic  $1100
RWD$0$0$0
Accessories 
Heated steering wheel  $100
Power rear side windows  $200
Proximity key  $250
Remote start  $150
Tilt/telescoping steering wheel, manual$250$250 
Tilt/telescoping steering wheel, power  $350
Universal garage door opener  $100
Brakes, Airbags, and Other Safety 
Knee airbag, driver$75$75 
Knee airbag, passenger$75$75 
Obstacle detection, rear  $250
Side curtain airbags  $350
Tires, run-flat$150  
Cargo Management 
Cargo cover$75$75 
Cargo net  $40
Rear seat pass-through  $100
Climate Control 
Dual-zone climate control  $125
Heated windshield washer nozzles$15$15 
Rain-sensing wipers$175$175 
Rear air vents with manual controls  $150
Variable intermittent wipers  $75
Drivetrain 
Limited-slip rear differential $300$300
Exterior 
Laminated front side windows  $200
Rear spoiler  $200
Infotainment 
Aux input$50$50 
CD changer, in-dash  $325
CD player$125$125 
DVD-compatible player  $0
MP3-compatible player$50$50 
Rear seat audio controls  $25
Satellite radio  $200
Telematics service, such as OnStar$200$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$75 
Illuminated visor mirror, driver  $50
Illuminated visor mirror, passenger  $50
Visor mirror, driver$10$10 
Visor mirror, passenger$10$10 
Seats and Interior Trim 
Center armrest(s), second row  $50
Cooled or ventilated front seats  $300
Heated second row seats  $200
Leather-wrapped steering wheel$150$150 
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
Wood/leather-wrapped steering wheel  $150
Suspension, Wheels, and Tires 
Alloy wheels$350$350 
Auto-leveling rear shocks  $200
Polished alloy wheels  $350
Sport suspension (upgrade) $0$0
Total Value of Features$1,985$2,235$6,765
Value of Feature Adjustments$0$250$4,780
Value of Feature Adjustments0-230-4,521

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Specifications Comparison: BMW Z4 vs. Cadillac STS

Model Year20072011
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 Weight3,109 lb.3,974 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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Option Package Details
BMW Z4 3.0si

Premium Package
FeatureValueRequested?
Xenon HID headlights500Yes
Auto-dimming rearview mirror150Yes
Telematics service, such as OnStar200Yes
Bluetooth cell phone link100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested192596%
Total Not Requested754%

Option Package Details
BMW Z4 M Coupe

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

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