Cadillac STS Cadillac STS 2011 BMW Z4 BMW Z4 2008

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Cadillac STS vs. BMW Z4 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.

Cadillac STS vs. BMW Z4 Invoice Comparison

Lowest Total Price: $46,900

BMW Z4 3.0si   
Difference: $10,355

Lowest Total Invoice: $43,345

BMW Z4 3.0si   
Difference: $10,809

Calculate Payments

  Down Payment Interest Rate Term
Model Year201120082008
ModelSTSZ4Z4
TrimPremium3.0siM Coupe
Body4dr Sedan2dr Hatch2dr Hatch
Base Price $56,380 $40,700 $50,400
Base Invoice $53,279 $37,625 $46,550
Premium Package   2,350 2,950
Navigation system   1,800 1,800
Heated front seats   500 500
Headlight washers   250  
Wood trim   0 0
Metallic paint (extra cost)   475 475
Premium Package   2,140 2,685
Navigation system   1,640 1,640
Heated front seats   455 455
Headlight washers   230  
Wood trim   0 0
Metallic paint (extra cost)   430 430
Options (change) 0 5,375 5,725
Options (change) 0 4,895 5,210
Destination 875 825 825
Total Price $57,255 $46,900 $56,950
Total Invoice $54,154 $43,345 $52,585

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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 Cadillac STS dealer quotes or BMW Z4 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: Cadillac STS vs. BMW Z4

Lowest Adjusted Price and Invoice: BMW Z4 3.0si
TrueDelta Adjusted Price Difference: $5,525
TrueDelta Adjusted Invoice Difference: $6,241
Model Year201120082008
ModelSTSZ4Z4
TrimPremium3.0siM Coupe
Body4dr Sedan2dr Hatch2dr Hatch
Engine302hp V6255hp I6330hp I6
TransmissionT6M6M6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15430, 10430, 10
Tire (rear if not all the same)235/50-18225/45-17225/45-18
Total Price$57,255$46,900$56,950
Adjustments for Features-4,8300-250
Feature-Adjusted Total Price$52,425$46,900$56,700
Cost Above Minimum$0$0$9,800
Total Invoice$54,154$43,345$52,585
Adjustments for Features-4,5680-231
Feature-Adjusted Total Invoice$49,586$43,345$52,354
Cost Above Minimum$0$0$9,009

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Features Comparison: Cadillac STS vs. BMW Z4

Model Year201120082008
ModelSTSZ4Z4
TrimPremium3.0siM Coupe
Body4dr Sedan2dr Hatch2dr Hatch
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100  
6-speed manual $150$150
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 door panel trim $250$250
Leather-wrapped steering wheel $150$150
Manual thigh support length adjuster, driver seat  $50
Manual thigh support length adjuster, passenger seat  $50
No leather in second row $-300$-300
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$6,765$1,935$2,185
Value of Feature Adjustments$4,830$0$250
Value of Feature Adjustments-4,5680-231

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Specifications Comparison: Cadillac STS vs. BMW Z4

Model Year20112008
ModelSTSZ4
Body4dr Sedan2dr Hatch
Wheelbase116.4 in98.2 in
Length196.7 in161.9 in
Width72.6 in70.1 in
Height57.6 in49.9 in
Curb Weight3,974 lb.3,109 lb.
Fuel Capacity17.0 gal.14.5 gal.
Row 1 Headroom38.7 in37.3 in
Row 1 Shoulder Room58.6 in52.5 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.6 in42.0 in
Row 2 Headroom37.9 in0.0 in
Row 2 Shoulder Room57.4 in0.0 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in0.0 in
Cargo Volume13.8 ft39.2 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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