Audi A4 / S4 Audi A4 / S4 2006 BMW 6-Series BMW 6-Series 2018

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Audi A4 / S4 vs. BMW 6-Series 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.

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

Lowest Total Price: $51,785

Audi A4 / S4 A4 3.0 Cabriolet   
Difference: $36,310

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062006201820182018
ModelA4 / S4A4 / S46-Series6-Series6-Series
TrimA4 3.0 CabrioletS4 Cabriolet640i650iM6
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $45,490 $54,640 $86,700 $98,300 $122,300
Premium Package 1,825 1,775      
Metallic paint (extra cost) 450 450      
Obstacle detection, rear 350 350      
Bluetooth cell phone link 500 500      
Navigation system 1,950 1,950      
Tire-pressure monitor 250 250      
Sport suspension (upgrade) 250        
Audio controls on steering wheel   150      
Bose 215W 9 speakers   1,000      
Cold Weather Package     400 400  
Wood trim         0
Premium Package 1,661 1,615      
Metallic paint (extra cost) 410 410      
Obstacle detection, rear 319 319      
Bluetooth cell phone link 455 455      
Navigation system 1,775 1,775      
Tire-pressure monitor 228 228      
Sport suspension (upgrade) 228        
Audio controls on steering wheel   137      
Bose 215W 9 speakers   910      
Cold Weather Package     370 370  
Wood trim         0
Options (change) 5,575 6,425 400 400 0
Options (change) 5,076 5,849 370 370 0
Destination 720 720 995 995 995
Gas Tax 0 1,700 0 0 1,300
Total Price $51,785 $63,485 $88,095 $99,695 $124,595

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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: Audi A4 / S4 vs. BMW 6-Series

Lowest Adjusted Price: Audi A4 / S4 A4 3.0 Cabriolet
Lowest Adjusted Invoice: BMW 6-Series 650i
TrueDelta Adjusted Price Difference: $32,340
TrueDelta Adjusted Invoice Difference: $45,796
Model Year20062006201820182018
ModelA4 / S4A4 / S46-Series6-Series6-Series
TrimA4 3.0 CabrioletS4 Cabriolet640i650iM6
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine220hp V6340hp V8315hp I6445hp V8560hp V8
TransmissionT5M6T8T8S7
DrivetrainAWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 9215, 9205, 9600, 12600, 12
Tire (rear if not all the same)235/45-17235/40-18245/45-18245/40-19265/40-19
Total Price$51,785$63,485$88,095$99,695$124,595
Adjustments for Features-6000-4,570-5,720-5,995
Feature-Adjusted Total Price$51,185$63,485$83,525$93,975$118,600
Cost Above Minimum$0$12,300$0$10,450$35,075

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

Model Year20062006201820182018
ModelA4 / S4A4 / S46-Series6-Series6-Series
TrimA4 3.0 CabrioletS4 Cabriolet640i650iM6
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000    
6-speed manual $150   
8-speed manually-shiftable automatic  $1300$1300 
7-speed automated manual    $1200
AWD$1700$1700   
RWD  $0$0$0
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 
Active or whiplash-reducing head restraints, front seats  $0$0$0
Obstacle detection, front  $150$150$150
Rearview camera  $200$200$200
Tires, run-flat  $150$150 
Cargo Management 
Cargo mat  $40$40$40
Climate Control 
Rain-sensing wipers  $175$175$175
Residual heat  $50$50$50
Variable intermittent wipers$75$75   
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
CD changer, remote$200$200   
CD player  $125$125$125
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
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$200
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
Voice control for external devices  $0$0$0
Voice control for nav and audio  $100$100$100
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
Steering-linked headlights  $150$150$150
Xenon HID headlights$500$500   
Seats and Interior Trim 
Illuminated door sill trim plates    $200
Manual thigh support length adjuster, driver seat $50   
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
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
Total Value of Features$4,325$3,725$8,295$9,445$9,720
Value of Feature Adjustments$600$0$4,570$5,720$5,995
Value of Feature Adjustments-5540-80-89-119

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

Model Year20062018
ModelA4 / S46-Series
Body2dr Convertible2dr Convertible
Wheelbase104.5 in112.4 in
Length180.0 in192.8 in
Width70.0 in74.6 in
Height54.8 in53.7 in
Curb Weight3,683 lb.4,256 lb.
Fuel Capacity16.6 gal.18.5 gal.
Row 1 Headroom38.0 in40.3 in
Row 1 Shoulder Room53.0 in56.9 in
Row 1 Legroom41.3 in42.1 in
Row 2 Headroom36.3 in36.5 in
Row 2 Shoulder Room45.1 in49.6 in
Row 2 Legroom32.4 in30.5 in
Cargo Volume8.9 ft310.6 ft3

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Option Package Details
Audi A4 / S4 A4 3.0 Cabriolet

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Wind blocker300No
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Total Requested147583%
Total Not Requested30017%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Automatic headlights125Yes
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Wind blocker300No
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Total Requested97576%
Total Not Requested30024%

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%

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