BMW 6-Series BMW 6-Series 2016 Cadillac STS Cadillac STS 2006

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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: $58,980

Cadillac STS V8   
Difference: $19,715

Lowest Total Invoice: $53,590

Cadillac STS V8   
Difference: $19,565

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  Down Payment Interest Rate Term
Model Year20162016201620062006
Model6-Series6-Series6-SeriesSTSSTS
Trim640i650iM6V8STS-V
Body2dr Coupe2dr Coupe2dr Coupe4dr Sedan4dr Sedan
Base Price $77,300 $88,700 $113,400 $47,520 $73,070
Base Invoice $71,795 $82,285 $105,010 $43,956 $67,704
Cold Weather Package 400 400      
Wood trim     0    
Preferred Equipment Group 1SF       10,740  
Cold Weather Package 365 365      
Wood trim     0    
Preferred Equipment Group 1SF       8,914  
Options (change) 400 400 0 10,740 0
Options (change) 365 365 0 8,914 0
Destination 995 995 995 720 720
Gas Tax 0 0 1,300 0 2,100
Total Price $78,695 $90,095 $115,695 $58,980 $75,890
Total Invoice $73,155 $83,645 $107,305 $53,590 $70,524

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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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: $18,170
TrueDelta Adjusted Invoice Difference: $18,119
Model Year20162016201620062006
Model6-Series6-Series6-SeriesSTSSTS
Trim640i650iM6V8STS-V
Body2dr Coupe2dr Coupe2dr Coupe4dr Sedan4dr Sedan
Engine315hp I6445hp V8560hp V8320hp V8469hp V8
TransmissionT8T8S7T5T6
DrivetrainRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)205, 9600, 16600, 16300, 15300, 15
Tire (rear if not all the same)245/45-18245/40-19265/40-19235/50-17255/45-18
Total Price$78,695$90,095$115,695$58,980$75,890
Adjustments for Features-1,980-3,130-3,105-4350
Feature-Adjusted Total Price$76,715$86,965$112,590$58,545$75,890
Cost Above Minimum$0$10,250$35,875$0$17,345
Total Invoice$73,155$83,645$107,305$53,590$70,524
Adjustments for Features-1,841-2,906-2,880-3950
Feature-Adjusted Total Invoice$71,314$80,739$104,425$53,195$70,524
Cost Above Minimum$0$9,425$33,111$0$17,329

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Features Comparison: BMW 6-Series vs. Cadillac STS

Model Year20162016201620062006
Model6-Series6-Series6-SeriesSTSSTS
Trim640i650iM6V8STS-V
Body2dr Coupe2dr Coupe2dr Coupe4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300   
7-speed automated manual  $1200  
5-speed manually-shiftable automatic   $1000 
6-speed manually-shiftable automatic    $1100
RWD$0$0$0$0$0
Accessories 
Heated steering wheel$100$100 $100$100
Power door closers  $300  
Power rear side windows   $200$200
Remote app$25$25$25  
Remote start   $150$150
Remote window/roof operation$15$15$15  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0$0  
Knee airbag, driver$75$75$75  
Knee airbag, passenger$75$75$75  
Obstacle detection, front$150$150$150  
Rearview camera$200$200$200  
Tires, run-flat$150$150  $150
Cargo Management 
Cargo mat$40$40$40  
Cargo net   $40$40
Ski sack$50$50$50  
Climate Control 
Heated windshield washer nozzles$15$15$15 $15
Rear air vents with manual controls   $150$150
Residual heat$50$50$50  
Drivetrain 
Active rear differential  $500  
Limited-slip rear differential   $300$300
Engine / Motor 
Automatic start / stop$150$150$150  
Dual-mode exhaust, switchable$500$500$500  
Regenerative braking$0$0$0  
Exterior 
Carbon fiber roof  $0  
Laminated front side windows   $200$200
Painted brake calipers (optional)  $0  
Power-venting glass roof panel$300$300   
Rear spoiler   $200$200
Sunroof   $900 
Infotainment 
4G LTE connectivity$0$0$0  
App support$0$0$0  
Aux input$50$50$50  
Bluetooth audio streaming$25$25$25  
CD changer, in-dash   $325$325
CD player$125$125$125  
Concierge Services - 3 year subscription $150$150  
Handwriting recognition$200$200$200  
HD radio$50$50$50  
In-vehicle Internet$150$150$150  
Media drive$15$15$15  
MP3-compatible player$50$50$50  
Navigation map updates, three years$0$0$0  
S Voice support$0$0$0  
Satellite radio$200$200$200  
Siri Eyes Free support$0$0$0  
SMS text-to-speech reader$25$25$25  
Surround sound $250$250$250$250
Text dictation$50$50$50  
Traffic + travel information$25$25$25  
Voice control for external devices$0$0$0  
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75$75$75  
Cornering lights$50$50$50  
Fog lights$125$125 $125$125
Large color reconfigurable instrument cluster display$250$250   
LED headlights$1000$1000$1000  
Mirror tilt-down in reverse$25$25$25  
Power-folding mirrors$50$50$50  
Steering-linked headlights$150$150$150  
Xenon HID headlights   $500$500
Seats and Interior Trim 
Cooled or ventilated front seats   $300 
Heated second row seats   $200$200
Illuminated door sill trim plates  $200  
Leather-wrapped steering wheel$150$150$150 $150
Memory system, passenger seat $150$150  
Power headrest height adjuster, driver seat$50$50$50  
Power headrest height adjuster, passenger seat$50$50$50  
Power seatback bolsters, driver seat $100$100  
Power seatback bolsters, passenger seat $100$100  
Power thigh support length adjuster, driver seat $100$100  
Power thigh support length adjuster, passenger seat $100$100  
Power upper seatback recliner, driver seat $100$100  
Power upper seatback recliner, passenger seat $100$100  
Synthetic suede inserts in leather seating surfaces    $0
Upholstered instrument panel$300$300$300  
Upholstered instrument panel, leather    $1000
Wood/leather-wrapped steering wheel   $150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500$500$500 
Alloy wheels$350$350$350  
Auto-leveling rear shocks   $200$200
Electronic systems calibration selector$200$200$200  
Performance steering system (optional)    $0
Polished alloy wheels   $350$350
Sport suspension (upgrade)  $0$0$0
Transmission 
Launch control$100$100$100  
Steering-wheel-mounted transmission controls$100$100$100  
Total Value of Features$7,685$8,835$8,810$6,140$5,705
Value of Feature Adjustments$1,980$3,130$3,105$435$0
Value of Feature Adjustments-1,841-2,906-2,880-3950

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Specifications Comparison: BMW 6-Series vs. Cadillac STS

Model Year20162006
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

Preferred Equipment Group 1SF
FeatureValueRequested?
Sport suspension (upgrade)250No
Adaptive shocks - electrical500Yes
Cooled or ventilated front seats300No
Sunroof900No
Limited-slip rear differential300No
Rain-sensing wipers100Yes
Xenon HID headlights500Yes
Rear spoiler200No
Wood/leather-wrapped steering wheel0No
Bluetooth cell phone link100Yes
Headlight washers50Yes
235/50VR17 tires200No
255/45VR17 tires200No
Auto-dimming headlights200Yes
Rear air vents with manual controls50No
Navigation system600Yes
Heated second row seats200No
Universal garage door opener100Yes
Heated steering wheel100Yes
Interior air filter0Yes
Cargo net40No
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Wood trim300Yes
Heated front seats200Yes
CD changer, in-dash200No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Polished alloy wheels0No
Total Requested360053%
Total Not Requested319047%

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