BMW 3-Series BMW 3-Series 2020 Cadillac STS Cadillac STS 2006
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BMW 3-Series 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 3-Series vs. Cadillac STS Invoice Comparison

Lowest Total Price: $60,485

BMW 3-Series M340i   
Difference: $16,605

Calculate Payments

  Down Payment Interest Rate Term
Model Year20202006
Model3-SeriesSTS
TrimM340iSTS-V
Body4dr Sedan4dr Sedan
Base Price $54,000 $73,070
Navigation system 1,700  
Luxury Design 0  
Metallic paint (extra cost) 550  
Leather seating surfaces 1,450  
Heated second row seats 350  
Heated front seats 500  
Heated steering wheel 190  
Obstacle detection, rear 750  
Sunroof   1,200
Navigation system 1,565  
Luxury Design 0  
Metallic paint (extra cost) 505  
Leather seating surfaces 1,335  
Heated second row seats 320  
Heated front seats 460  
Heated steering wheel 175  
Obstacle detection, rear 690  
Sunroof   996
Options (change) 5,490 1,200
Options (change) 5,050 996
Destination 995 720
Gas Tax 0 2,100
Total Price $60,485 $77,090

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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 3-Series dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: BMW 3-Series vs. Cadillac STS

Lowest Adjusted Price and Invoice: BMW 3-Series M340i
TrueDelta Adjusted Price Difference: $17,095
TrueDelta Adjusted Invoice Difference: $65,524
Model Year20202006
Model3-SeriesSTS
TrimM340iSTS-V
Body4dr Sedan4dr Sedan
Engine382hp I6469hp V8
TransmissionT8T6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)22/30 MPG14/20 MPG
Audio (watts, speakers)600, 16300, 15
Tire (rear if not all the same)225/45-18255/45-18
Total Price$60,485$77,090
Adjustments for Features-4900
Feature-Adjusted Total Price$59,995$77,090

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Features Comparison: BMW 3-Series vs. Cadillac STS

Model Year20202006
Model3-SeriesSTS
TrimM340iSTS-V
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manually-shiftable automatic $1100
RWD$0$0
Accessories 
Hands-free trunk or liftgate$100 
Remote app$25 
Remote start $150
Remote window/roof operation$15 
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Rearview camera$200 
Cargo Management 
Air-conditioned storage compartment$50 
Cargo net $40
Rear seat pass-through $100
Climate Control 
Residual heat$50 
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Exterior 
Laminated front side windows $200
Rear spoiler $200
Infotainment 
4G LTE connectivity$0 
App support$0 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD player$125 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
Media drive$15 
MP3-compatible player$50 
Navigation map updates, three years$0 
S Voice support$0 
Satellite radio$200 
Siri Eyes Free support$0 
Traffic + travel information$25 
Voice control for external devices$0 
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200
Compass$0 
Headlight washers $50
LED headlights$1000 
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
Xenon HID headlights $500
Seats and Interior Trim 
Folding second row seats$300 
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Synthetic suede inserts in leather seating surfaces $0
Upholstered instrument panel, leather $1000
Suspension, Wheels, and Tires 
Alloy wheels$350 
Auto-leveling rear shocks $200
Electronic systems calibration selector$200 
Performance steering system (optional) $0
Polished alloy wheels $350
Sport suspension (upgrade) $0
Total Value of Features$5,555$5,065
Value of Feature Adjustments$490$0
Value of Feature Adjustments-490

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See a complete comparison of BMW 3-Series vs. Cadillac STS features.

Specifications Comparison: BMW 3-Series vs. Cadillac STS

Model Year20202006
Model3-SeriesSTS
Body4dr Sedan4dr Sedan
Wheelbase112.2 in116.4 in
Length185.7 in196.3 in
Width71.9 in72.6 in
Height56.8 in57.6 in
Curb Weight3,849 lb.4,233 lb.
Fuel Capacity15.6 gal.17.0 gal.
Row 1 Headroom38.7 in38.7 in
Row 1 Shoulder Room56.0 in58.6 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom42.0 in42.6 in
Row 2 Headroom37.6 in37.9 in
Row 2 Shoulder Room54.6 in57.4 in
Row 2 Hip Room0.0 in55.6 in
Row 2 Legroom35.2 in38.3 in
Cargo Volume16.9 ft313.8 ft3

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See a complete comparison of BMW 3-Series vs. Cadillac STS specs.

Option Package Details
BMW 3-Series M340i

Navigation system
FeatureValueRequested?
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15No
In-vehicle Internet150No
Handwriting recognition200No
Siri Eyes Free support0No
S Voice support0No
4G LTE connectivity0No
Navigation map updates, three years0No
Navigation system600Yes
Traffic + travel information25No
Remote app25No
Total Requested70063%
Total Not Requested41537%
Luxury Design
FeatureValueRequested?
Additional chrome trim0No
Bright-finished exhaust tip(s)25Yes
Chrome interior accents (optional)0No
Total Requested25100%
Total Not Requested00%

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