BMW 6-Series BMW 6-Series 2018 Audi A4 / S4 Audi A4 / S4 2009

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BMW 6-Series vs. Audi A4 / S4 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. Audi A4 / S4 Invoice Comparison

Lowest Total Price: $56,050

Audi A4 / S4 A4 3.2 Cabriolet   
Difference: $32,045

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182018201820092009
Model6-Series6-Series6-SeriesA4 / S4A4 / S4
Trim640i650iM6A4 3.2 CabrioletS4 Cabriolet
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $86,700 $98,300 $122,300 $48,800 $57,125
Cold Weather Package 400 400      
Wood trim     0   400
Convenience Package       1,550 2,275
Upgraded leather upholstery       1,000  
Metallic paint (extra cost)       475 475
Heated front seats       450  
Navigation system       2,100 1,950
iPod integration       0 0
Obstacle detection, rear       350 350
Front sport buckets       500  
Cold Weather Package 370 370      
Wood trim     0   373
Convenience Package       1,442 2,115
Upgraded leather upholstery       930  
Metallic paint (extra cost)       443 443
Heated front seats       418  
Navigation system       1,953 1,813
iPod integration       0 0
Obstacle detection, rear       325 325
Front sport buckets       466  
Options (change) 400 400 0 6,425 5,450
Options (change) 370 370 0 5,977 5,069
Destination 995 995 995 825 825
Gas Tax 0 0 1,300 0 1,700
Total Price $88,095 $99,695 $124,595 $56,050 $65,100

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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. Audi A4 / S4

Lowest Adjusted Price: Audi A4 / S4 A4 3.2 Cabriolet
Lowest Adjusted Invoice: BMW 6-Series 650i
TrueDelta Adjusted Price Difference: $29,075
TrueDelta Adjusted Invoice Difference: $49,287
Model Year20182018201820092009
Model6-Series6-Series6-SeriesA4 / S4A4 / S4
Trim640i650iM6A4 3.2 CabrioletS4 Cabriolet
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine315hp I6445hp V8560hp V8255hp V6340hp V8
TransmissionT8T8S7T6M6
DrivetrainRWDRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)205, 9600, 12600, 12180, 9215, 9
Tire (rear if not all the same)245/45-18245/40-19265/40-19235/40-18235/40-18
Total Price$88,095$99,695$124,595$56,050$65,100
Adjustments for Features-4,520-5,670-5,845-1,5500
Feature-Adjusted Total Price$83,575$94,025$118,750$54,500$65,100
Cost Above Minimum$0$10,450$35,175$0$10,600

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Features Comparison: BMW 6-Series vs. Audi A4 / S4

Model Year20182018201820092009
Model6-Series6-Series6-SeriesA4 / S4A4 / S4
Trim640i650iM6A4 3.2 CabrioletS4 Cabriolet
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300   
7-speed automated manual  $1200  
6-speed manually-shiftable automatic   $1100 
6-speed manual    $150
RWD$0$0$0  
AWD   $1700$1700
Accessories 
Heated steering wheel$100$100   
Power door closers  $300  
Power retractable rear window$350$350$350  
Proximity key$250$250$250  
Remote app$25$25$25  
Remote window/roof operation$15$15$15  
Tilt/telescoping steering wheel, manual   $250$250
Tilt/telescoping steering wheel, power$350$350$350  
Wind blocker   $300$300
Brakes, Airbags, and Other Safety 
Full-size spare tire   $225$225
Obstacle detection, front$150$150$150  
Rearview camera$200$200$200  
Tires, run-flat$150$150   
Cargo Management 
Cargo mat$40$40$40  
Storage compartment under front seat(s)   $50$50
Climate Control 
Residual heat$50$50$50  
Drivetrain 
Active rear differential  $500  
Engine / Motor 
Automatic start / stop$150$150$150  
Dual-mode exhaust, switchable$500$500$500  
Regenerative braking$0$0$0  
Exterior 
Bodyside moldings   $75$75
Painted brake calipers (optional)  $0  
Infotainment 
4G LTE connectivity$0$0$0  
App support$0$0$0  
Aux input$50$50$50  
Bluetooth audio streaming$25$25$25  
Bluetooth cell phone link$100$100$100$100 
Concierge Services - 3 year subscription $150$150  
DVD-compatible player$0$0$0  
Handwriting recognition$200$200$200  
HD radio$50$50$50  
In-vehicle Internet$150$150$150  
iPod integration   $100$100
Media drive$15$15$15  
Navigation map updates, three years$0$0$0  
S Voice support$0$0$0  
Satellite radio   $200$200
Satellite radio - one year subscription$250$250$250  
SD Card slot   $25$25
Siri Eyes Free support$0$0$0  
SMS text-to-speech reader$25$25$25  
Surround sound $250$250  
Telematics service, such as OnStar$200$200$200  
Text dictation$50$50$50  
Traffic + travel information$25$25$25  
USB port$25$25$25  
Voice control for external devices$0$0$0  
Voice control for nav and audio$100$100$100  
Voice recorder$0$0$0  
Wi-Fi hotspot$50$50$50  
Wireless charging station$75$75$75  
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200$200$200  
Compass   $0$0
Cornering lights$50$50$50  
Fog light, rear   $100$100
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  
Xenon HID headlights   $500$500
Seats and Interior Trim 
Aluminum trim   $100 
Door sill trim plates$100$100 $100$100
Illuminated door sill trim plates  $200  
Manual height adjuster, driver seat    $50
Manual thigh support length adjuster, driver seat    $50
Memory system, passenger seat $150$150  
Power fore-aft adjuster, driver seat$100$100$100$100 
Power headrest height adjuster, driver seat$50$50$50  
Power headrest height adjuster, passenger seat$50$50$50  
Power height adjuster, driver seat$100$100$100$100 
Power recliner, driver seat$100$100$100$100 
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 tilt adjuster, driver seat$100$100$100$100 
Power upper seatback recliner, driver seat $100$100  
Power upper seatback recliner, passenger seat $100$100  
Upholstered instrument panel$300$300$300  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500$500  
Electronic systems calibration selector$200$200$200  
Sport suspension (upgrade)  $0$0 
Ultra-sport suspension (upgrade)    $0
Transmission 
Launch control$100$100$100  
Steering-wheel-mounted transmission controls$100$100$100$100 
Total Value of Features$8,520$9,670$9,845$5,550$4,000
Value of Feature Adjustments$4,520$5,670$5,845$1,550$0
Value of Feature Adjustments-79-88-116-1,4430

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Specifications Comparison: BMW 6-Series vs. Audi A4 / S4

Model Year20182009
Model6-SeriesA4 / S4
Body2dr Convertible2dr Convertible
Wheelbase112.4 in104.3 in
Length192.8 in180.0 in
Width74.6 in70.0 in
Height53.7 in54.8 in
Curb Weight4,256 lb.3,859 lb.
Fuel Capacity18.5 gal.16.6 gal.
Row 1 Headroom40.3 in38.0 in
Row 1 Shoulder Room56.9 in53.0 in
Row 1 Legroom42.1 in41.3 in
Row 2 Headroom36.5 in36.3 in
Row 2 Shoulder Room49.6 in45.1 in
Row 2 Legroom30.5 in32.4 in
Cargo Volume10.6 ft38.9 ft3

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Option Package Details
BMW 6-Series 640i

Cold Weather Package
FeatureValueRequested?
Rear seat pass-through100Yes
Heated steering wheel100No
Ski sack50Yes
Total Requested15060%
Total Not Requested10040%

Option Package Details
BMW 6-Series 650i

Cold Weather Package
FeatureValueRequested?
Rear seat pass-through100Yes
Heated steering wheel100No
Ski sack50Yes
Total Requested15060%
Total Not Requested10040%

Option Package Details
Audi A4 / S4 A4 3.2 Cabriolet

Upgraded leather upholstery
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage0No
Upholstered door panels, leather250Yes
Total Requested250100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
CD changer, remote-125No
SD Card slot25No
Total Requested600120%
Total Not Requested-100-20%
Convenience Package
FeatureValueRequested?
Memory system, driver seat200Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Auto-dimming passenger-side mirror75Yes
Total Requested1475100%
Total Not Requested00%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Aluminum trim100No
Steering-wheel-mounted transmission controls100Yes
235/40HR18 tires400No
Total Requested35041%
Total Not Requested50059%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Navigation system
FeatureValueRequested?
Navigation system600Yes
CD changer, remote200No
SD Card slot25No
Total Requested60073%
Total Not Requested22527%
Convenience Package
FeatureValueRequested?
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Bose, 215W, 9 speakers (with subwoofer)350No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Auto-dimming passenger-side mirror75Yes
Total Requested97574%
Total Not Requested35026%

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