BMW Z4 BMW Z4 2011 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: $55,645

Cadillac STS Luxury   
Difference: $3,605

Lowest Total Invoice: $52,375

Cadillac STS Luxury   
Difference: $2,290

Calculate Payments

  Down Payment Interest Rate Term
Model Year201120112011
ModelZ4STSSTS
TrimsDrive30iLuxuryPremium
Body2dr Hardtop conv.4dr Sedan4dr Sedan
Base Price $46,500 $50,820 $56,380
Base Invoice $42,980 $48,024 $53,279
Navigation system 2,100    
Cold Weather Package 1,000    
Premium Package 3,900    
CD changer, remote 600    
Satellite radio - one year subscription 350    
6-speed shiftable automatic 1,375    
Auto-dimming headlights 250    
Wood trim 500    
Proximity key 500    
Obstacle detection, rear 750    
Metallic paint (extra cost) 550    
Luxury Level Two Package   3,950  
Navigation system 1,910    
Cold Weather Package 910    
Premium Package 3,550    
CD changer, remote 545    
Satellite radio - one year subscription 320    
6-speed shiftable automatic 1,250    
Auto-dimming headlights 230    
Wood trim 455    
Proximity key 455    
Obstacle detection, rear 685    
Metallic paint (extra cost) 500    
Luxury Level Two Package   3,476  
Options (change) 11,875 3,950 0
Options (change) 10,810 3,476 0
Destination 875 875 875
Total Price $59,250 $55,645 $57,255
Total Invoice $54,665 $52,375 $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.

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TrueDelta Value Comparison: BMW Z4 vs. Cadillac STS

Lowest Adjusted Price and Invoice: BMW Z4 sDrive30i
TrueDelta Adjusted Price Difference: $2,395
TrueDelta Adjusted Invoice Difference: $3,246
Model Year201120112011
ModelZ4STSSTS
TrimsDrive30iLuxuryPremium
Body2dr Hardtop conv.4dr Sedan4dr Sedan
Engine255hp I6302hp V6302hp V6
TransmissionT6T6T6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)18/28 MPG17/26 MPG17/26 MPG
Audio (watts, speakers)?, 10300, 15?, 8
Tire (rear if not all the same)225/45-17235/50-17235/50-18
Total Price$59,250$55,645$57,255
Adjustments for Features-6,0000-700
Feature-Adjusted Total Price$53,250$55,645$56,555
Cost Above Minimum$0$0$910
Total Invoice$54,665$52,375$54,154
Adjustments for Features-5,5360-662
Feature-Adjusted Total Invoice$49,129$52,375$53,492
Cost Above Minimum$0$0$1,117

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Features Comparison: BMW Z4 vs. Cadillac STS

Model Year201120112011
ModelZ4STSSTS
TrimsDrive30iLuxuryPremium
Body2dr Hardtop conv.4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100
RWD$0$0$0
Accessories 
Power rear side windows $200$200
Remote app$25  
Remote start $150$150
Tilt/telescoping steering wheel, manual$250  
Tilt/telescoping steering wheel, power $350$350
Brakes, Airbags, and Other Safety 
Knee airbag, driver$75  
Knee airbag, passenger$75  
Obstacle detection, front$150  
Roll bar$200  
Side curtain airbags $350$350
Tires, run-flat$150  
Cargo Management 
Ski sack$50  
Climate Control 
Heated windshield washer nozzles$15  
Rain-sensing wipers$175  
Rear air vents with manual controls $150$150
Variable intermittent wipers $75$75
Drivetrain 
Limited-slip rear differential  $300
Exterior 
Laminated front side windows $200$200
Power retractable hardtop$6750  
Rear spoiler  $200
Infotainment 
Aux input$50  
Bluetooth audio streaming$25  
CD changer, in-dash $325$325
CD changer, remote$200  
CD player$125  
DVD-compatible player $0$0
HD radio$50  
Media drive$15  
MP3-compatible player$50  
Rear seat audio controls $25$25
Satellite radio $200$200
Satellite radio - one year subscription$250  
SD Card slot$25  
SMS text-to-speech reader$25  
Surround sound $250$250
Telematics service, such as OnStar$200  
Telematics service, such as OnStar, with navigation $225$225
Traffic information$25  
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75  
Compass $0 
Illuminated visor mirror, driver $50$50
Illuminated visor mirror, passenger $50$50
Interior ambient lighting$150  
Power-folding mirrors$50  
Steering-linked headlights$150  
Trip computer $150$150
Visor mirror, driver$10  
Visor mirror, passenger$10  
Seats and Interior Trim 
Center armrest(s), second row $50$50
Cooled or ventilated front seats $300$300
Door sill trim plates $100$100
Heated second row seats $200$200
Leather-wrapped steering wheel$150  
No leather in second row$-300  
Wood/leather-wrapped steering wheel $150$150
Suspension, Wheels, and Tires 
Alloy wheels$350  
Auto-leveling rear shocks  $200
Electronic systems calibration selector$200  
Polished alloy wheels $350$350
Sport suspension (upgrade)  $0
Transmission 
Steering-wheel-mounted transmission controls$100  
Total Value of Features$11,000$5,000$5,700
Value of Feature Adjustments$6,000$0$700
Value of Feature Adjustments-5,5360-662

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Specifications Comparison: BMW Z4 vs. Cadillac STS

Model Year20112011
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 Weight3,318 lb.3,973 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 sDrive30i

Cold Weather Package
FeatureValueRequested?
Heated front seats200Yes
Rear seat pass-through100Yes
Heated steering wheel100Yes
Cargo net40Yes
Headlight washers50Yes
Ski sack50No
Total Requested49091%
Total Not Requested509%
Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Automatic climate control, front200Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Telematics service, such as OnStar200Yes
Bluetooth cell phone link100Yes
Auto-dimming driver-side mirror75Yes
Dual-zone climate control125Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Automatic air recirculation100Yes
Interior ambient lighting150No
SMS text-to-speech reader25No
No leather in second row-300No
Bluetooth audio streaming25No
Remote app25No
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
Power fore-aft adjuster, passenger seat100Yes
Total Requested315098%
Total Not Requested502%

Option Package Details
Cadillac STS Luxury

Luxury Level Two Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200Yes
Navigation system600Yes
Surround sound250No
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested145070%
Total Not Requested62530%

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