BMW 6-Series BMW 6-Series 2017 Cadillac STS Cadillac STS 2007

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BMW 6-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 6-Series vs. Cadillac STS Invoice Comparison

Lowest Total Price: $63,045

Cadillac STS V8   
Difference: $17,850

Lowest Total Invoice: $57,894

Cadillac STS V8   
Difference: $18,071

Calculate Payments

  Down Payment Interest Rate Term
Model Year201720172007
Model6-Series6-SeriesSTS
Trim640i650iV8
Body2dr Coupe2dr Coupe4dr Sedan
Base Price $77,600 $89,000 $51,810
Base Invoice $72,850 $83,450 $48,442
Cold Weather Package 400 400  
Adaptive cruise control, all-speed 1,900 1,900  
Preferred Equipment Group 1SG     8,190
Adaptive cruise control     2,300
Cold Weather Package 370 370  
Adaptive cruise control, all-speed 1,750 1,750  
Preferred Equipment Group 1SG     6,798
Adaptive cruise control     1,909
Options (change) 2,300 2,300 10,490
Options (change) 2,120 2,120 8,707
Destination 995 995 745
Total Price $80,895 $92,295 $63,045
Total Invoice $75,965 $86,565 $57,894

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

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TrueDelta Value Comparison: BMW 6-Series vs. Cadillac STS

Lowest Adjusted Price and Invoice: Cadillac STS V8
TrueDelta Adjusted Price Difference: $15,130
TrueDelta Adjusted Invoice Difference: $15,517
Model Year201720172007
Model6-Series6-SeriesSTS
Trim640i650iV8
Body2dr Coupe2dr Coupe4dr Sedan
Engine315hp I6445hp V8320hp V8
TransmissionT8T8T6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)205, 9600, 16300, 15
Tire (rear if not all the same)245/45-18245/40-19235/50-18
Total Price$80,895$92,295$63,045
Adjustments for Features-2,720-3,8700
Feature-Adjusted Total Price$78,175$88,425$63,045
Cost Above Minimum$0$10,250$0
Total Invoice$75,965$86,565$57,894
Adjustments for Features-2,554-3,6300
Feature-Adjusted Total Invoice$73,411$82,935$57,894
Cost Above Minimum$0$9,524$0

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Features Comparison: BMW 6-Series vs. Cadillac STS

Model Year201720172007
Model6-Series6-SeriesSTS
Trim640i650iV8
Body2dr Coupe2dr Coupe4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300 
6-speed manually-shiftable automatic  $1100
RWD$0$0$0
Accessories 
Adaptive cruise control  $600
Adaptive cruise control, all-speed$850$850 
Power rear side windows  $200
Remote app$25$25 
Remote start  $150
Remote window/roof operation$15$15 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0 
Automatic braking, high-speed or partial$200$200 
Forward collision warning$200$200 
Knee airbag, driver$75$75 
Knee airbag, passenger$75$75 
Lane departure warning$200$200 
Obstacle detection, front$150$150 
Radar- or camera-based collision preparation system$0$0 
Rearview camera$200$200 
Tires, run-flat$150$150 
Cargo Management 
Cargo mat$40$40 
Cargo net  $40
Ski sack$50$50 
Climate Control 
Heated windshield washer nozzles$15$15 
Rear air vents with manual controls  $150
Residual heat$50$50 
Drivetrain 
Limited-slip rear differential  $300
Engine / Motor 
Automatic start / stop$150$150 
Dual-mode exhaust, switchable$500$500 
Regenerative braking$0$0 
Exterior 
Laminated front side windows  $200
Power-venting glass roof panel$300$300 
Rear spoiler  $200
Infotainment 
4G LTE connectivity$0$0 
App support$0$0 
Aux input$50$50 
Bluetooth audio streaming$25$25 
CD changer, in-dash  $325
CD player$125$125 
Concierge Services - 3 year subscription $150 
Handwriting recognition$200$200 
HD radio$50$50 
In-vehicle Internet$150$150 
Media drive$15$15 
MP3-compatible player$50$50 
Navigation map updates, three years$0$0 
Rear seat audio controls  $25
S Voice support$0$0 
Siri Eyes Free support$0$0 
SMS text-to-speech reader$25$25 
Surround sound $250$250
Telematics service, such as OnStar$200$200 
Telematics service, such as OnStar, with navigation  $225
Text dictation$50$50 
Traffic + travel information$25$25 
Voice control for external devices$0$0 
Wi-Fi hotspot$50$50 
Wireless charging station$75$75 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75$75 
Cornering lights$50$50 
Head-up display (HUD)  $350
Large color reconfigurable instrument cluster display$250$250 
LED headlights$1000$1000 
Mirror tilt-down in reverse$25$25 
Power-folding mirrors$50$50 
Steering-linked headlights$150$150 
Xenon HID headlights  $500
Seats and Interior Trim 
Cooled or ventilated front seats  $300
Heated second row seats  $200
Leather-wrapped steering wheel$150$150 
Memory system, passenger seat $150 
Power headrest height adjuster, driver seat$50$50 
Power headrest height adjuster, passenger seat$50$50 
Power seatback bolsters, driver seat $100 
Power seatback bolsters, passenger seat $100 
Power thigh support length adjuster, driver seat $100 
Power thigh support length adjuster, passenger seat $100 
Power upper seatback recliner, driver seat $100 
Power upper seatback recliner, passenger seat $100 
Upholstered instrument panel$300$300 
Wood/leather-wrapped steering wheel  $150
Suspension, Wheels, and Tires 
Alloy wheels$350$350 
Auto-leveling rear shocks  $200
Electronic systems calibration selector$200$200 
Performance steering system (optional)  $0
Polished alloy wheels  $350
Sport suspension (upgrade)  $0
Transmission 
Launch control$100$100 
Steering-wheel-mounted transmission controls$100$100 
Total Value of Features$8,535$9,685$5,815
Value of Feature Adjustments$2,720$3,870$0
Value of Feature Adjustments-2,554-3,6300

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Specifications Comparison: BMW 6-Series vs. Cadillac STS

Model Year20172007
Model6-SeriesSTS
Body2dr Coupe4dr Sedan
Wheelbase112.4 in116.4 in
Length192.8 in196.3 in
Width74.6 in72.6 in
Height53.9 in57.6 in
Curb Weight4,002 lb.3,961 lb.
Fuel Capacity18.5 gal.17.0 gal.
Row 1 Headroom40.0 in38.7 in
Row 1 Shoulder Room56.9 in58.6 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom42.1 in42.6 in
Row 2 Headroom35.7 in37.9 in
Row 2 Shoulder Room49.7 in57.4 in
Row 2 Hip Room0.0 in55.6 in
Row 2 Legroom30.5 in38.3 in
Cargo Volume16.2 ft313.8 ft3

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Option Package Details
BMW 6-Series 640i

Cold Weather Package
FeatureValueRequested?
Rear seat pass-through100Yes
Heated steering wheel100Yes
Ski sack50No
Total Requested20080%
Total Not Requested5020%

Option Package Details
BMW 6-Series 650i

Cold Weather Package
FeatureValueRequested?
Rear seat pass-through100Yes
Heated steering wheel100Yes
Ski sack50No
Total Requested20080%
Total Not Requested5020%

Option Package Details
Cadillac STS V8

Adaptive cruise control
FeatureValueRequested?
Adaptive cruise control450Yes
Head-up display (HUD)350No
Total Requested45056%
Total Not Requested35044%
Preferred Equipment Group 1SG
FeatureValueRequested?
Adaptive shocks - electrical500Yes
235/50WR18 tires200No
255/45WR18 tires200No
Cooled or ventilated front seats300No
Xenon HID headlights500Yes
Headlight washers50Yes
Auto-dimming headlights200Yes
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300No
Rear spoiler200No
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Navigation system600Yes
Bluetooth cell phone link100Yes
Surround sound250Yes
DVD-compatible player0Yes
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested230050%
Total Not Requested232550%

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