BMW 6-Series BMW 6-Series 2012 Buick Regal Buick Regal 2014

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BMW 6-Series vs. Buick Regal 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. Buick Regal Invoice Comparison

Lowest Total Price: $41,415

Buick Regal GS   
Difference: $36,230

Lowest Total Invoice: $39,509

Buick Regal GS   
Difference: $32,146

Calculate Payments

  Down Payment Interest Rate Term
Model Year201220122014
Model6-Series6-SeriesRegal
Trim640i650iGS
Body2dr Coupe2dr Coupe4dr Sedan
Base Price $73,600 $83,000 $36,905
Base Invoice $67,890 $76,540 $35,429
Cold Weather Package 750 750  
Adaptive cruise control, all-speed 2,400 2,400 1,695
Sunroof     1,000
Driver Confidence Package     890
Cold Weather Package 685 685  
Adaptive cruise control, all-speed 2,185 2,185 1,492
Sunroof     880
Driver Confidence Package     783
Options (change) 3,150 3,150 3,585
Options (change) 2,870 2,870 3,155
Destination 895 895 925
Total Price $77,645 $87,045 $41,415
Total Invoice $71,655 $80,305 $39,509

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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 Buick Regal dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: BMW 6-Series vs. Buick Regal

Lowest Adjusted Price and Invoice: Buick Regal GS
TrueDelta Adjusted Price Difference: $36,735
TrueDelta Adjusted Invoice Difference: $32,628
Model Year201220122014
Model6-Series6-SeriesRegal
Trim640i650iGS
Body2dr Coupe2dr Coupe4dr Sedan
Engine315hp I6400hp V8259hp I4
TransmissionT8T8T6
DrivetrainRWDRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)205, 9205, 9?, 9
Tire (rear if not all the same)245/45-18245/40-19245/40-19
Total Price$77,645$87,045$41,415
Adjustments for Features0-600-505
Feature-Adjusted Total Price$77,645$86,445$40,910
Cost Above Minimum$0$8,800$0
Total Invoice$71,655$80,305$39,509
Adjustments for Features0-554-482
Feature-Adjusted Total Invoice$71,655$79,751$39,027
Cost Above Minimum$0$8,096$0

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Features Comparison: BMW 6-Series vs. Buick Regal

Model Year201220122014
Model6-Series6-SeriesRegal
Trim640i650iGS
Body2dr Coupe2dr Coupe4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300 
6-speed manually-shiftable automatic  $1100
RWD$0$0 
FWD  $0
Accessories 
AC power outlet  $100
Power rear side windows  $200
Remote app$25$25 
Remote start  $150
Remote window/roof operation$15$15 
Tilt/telescoping steering wheel, manual  $250
Tilt/telescoping steering wheel, power$350$350 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0 
Blind spot warning system  $200
Cross-traffic warning, rear  $100
Following distance indicator  $25
Knee airbag, driver$75$75 
Knee airbag, passenger$75$75 
Lane departure warning  $200
Rear side airbags  $300
Rollover sensor  $50
Tires, run-flat$150$150 
Cargo Management 
Cargo mat$40$40 
Cargo net  $40
Ski sack$50$50 
Climate Control 
Automatic air recirculation$100$100 
Heated windshield washer nozzles$15$15 
Rain-sensing wipers$175$175 
Rear air vents  $100
Residual heat$50$50 
Variable intermittent wipers  $75
Engine / Motor 
Automatic start / stop$150  
Regenerative braking$0$0 
Exterior 
Active grille shutters  $0
Body kit  $0
Power-venting glass roof panel$300$300 
Rear spoiler  $200
Sunroof  $900
Infotainment 
App support  $0
DVD-compatible player$0$0 
Media drive$15$15 
Satellite radio  $200
Siri Eyes Free support  $0
Telematics service, such as OnStar$200$200 
Telematics service, such as OnStar, with navigation  $225
Traffic information$25$25 
USB port  $25
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75 
Auto-dimming passenger-side mirror$75$75 
Compass  $0
Cornering lights$50$50 
Fog lights$125$125 
Headlight washers$50$50 
Large color reconfigurable instrument cluster display  $250
Mirror tilt-down in reverse$25$25 
Performance meter  $150
Power-folding mirrors$50$50 
Steering-linked headlights$150$150 
Seats and Interior Trim 
Center armrest(s), second row  $50
Folding second row seats  $300
Leather door panel trim$250$250 
Memory system, passenger seat $150 
Metal pedals  $75
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 trim$300$300 
Suspension, Wheels, and Tires 
Sport suspension (upgrade)  $0
Transmission 
Steering-wheel-mounted transmission controls$100$100 
Total Value of Features$4,760$5,360$5,265
Value of Feature Adjustments$0$600$505
Value of Feature Adjustments0-554-482

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Specifications Comparison: BMW 6-Series vs. Buick Regal

Model Year20122014
Model6-SeriesRegal
Body2dr Coupe4dr Sedan
Wheelbase112.4 in107.8 in
Length192.8 in190.2 in
Width74.6 in73.1 in
Height53.9 in58.4 in
Curb Weight4,002 lb.3,693 lb.
Fuel Capacity18.5 gal.18.0 gal.
Row 1 Headroom40.0 in38.8 in
Row 1 Shoulder Room56.9 in56.7 in
Row 1 Hip Room0.0 in55.4 in
Row 1 Legroom42.1 in42.1 in
Row 2 Headroom35.7 in36.8 in
Row 2 Shoulder Room49.7 in54.4 in
Row 2 Hip Room0.0 in52.3 in
Row 2 Legroom30.5 in37.3 in
Cargo Volume16.2 ft314.2 ft3

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Option Package Details
BMW 6-Series 640i

Cold Weather Package
FeatureValueRequested?
Heated front seats200Yes
Rear seat pass-through100Yes
Heated steering wheel100Yes
Ski sack50No
Total Requested40089%
Total Not Requested5011%

Option Package Details
BMW 6-Series 650i

Cold Weather Package
FeatureValueRequested?
Heated front seats200Yes
Rear seat pass-through100Yes
Heated steering wheel100Yes
Ski sack50No
Total Requested40089%
Total Not Requested5011%

Option Package Details
Buick Regal GS

Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Total Requested700100%
Total Not Requested00%
Driver Confidence Package
FeatureValueRequested?
Memory system, driver seat200Yes
Lane departure warning system200No
Blind spot warning system200No
Rear cross-traffic detection100No
Forward collision alert200Yes
Following distance indicator25No
Total Requested40043%
Total Not Requested52557%

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