BMW 6-Series Gran Coupe BMW 6-Series Gran Coupe 2015 Audi A6 / S6 Audi A6 / S6 2013

We are 103,000+ car owners sharing real-world car information.

Join Us

BMW 6-Series Gran Coupe vs. Audi A6 / S6 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 Gran Coupe vs. Audi A6 / S6 Invoice Comparison

Lowest Total Price: $83,770

Audi A6 / S6 S6 4.0 TFSI   
Difference: $8,755

Lowest Total Invoice: $77,973

Audi A6 / S6 S6 4.0 TFSI   
Difference: $7,787

Calculate Payments

  Down Payment Interest Rate Term
Model Year2015201520152013
Model6-Series Gran Coupe6-Series Gran Coupe6-Series Gran CoupeA6 / S6
Trim640i650iALPINA B6S6 4.0 TFSI
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $78,300 $89,600 $117,300 $71,900
Base Invoice $72,715 $83,110 $108,595 $66,868
M Sport Edition 5,300 5,300    
Driver Assistance Plus 1,900 1,900 1,900  
Cold Weather Package 450 450   450
Adaptive cruise control, all-speed 1,200 1,200 1,200  
Night vision 2,300 2,300 2,300  
Massage, driver seat 1,000 1,000    
Wood trim, alternative type 1,080 1,080 1,080 500
Executive Package     5,400  
Comfort Seating Package       1,950
Innovation Package       5,650
Sunshade, rear, power       550
LED headlights       1,400
Metallic paint (extra cost)       475
M Sport Edition 4,825 4,825    
Driver Assistance Plus 1,730 1,730 1,730  
Cold Weather Package 410 410   419
Adaptive cruise control, all-speed 1,095 1,095 1,095  
Night vision 2,095 2,095 2,095  
Massage, driver seat 910 910    
Wood trim, alternative type 985 985 985 467
Executive Package     4,915  
Comfort Seating Package       1,813
Innovation Package       5,255
Sunshade, rear, power       511
LED headlights       1,302
Metallic paint (extra cost)       443
Options (change) 13,230 13,230 11,880 10,975
Options (change) 12,050 12,050 10,820 10,210
Destination 995 995 995 895
Total Price $92,525 $103,825 $130,175 $83,770
Total Invoice $85,760 $96,155 $120,410 $77,973

Return to top

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

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation BMW 6-Series Gran Coupe dealer quotes or Audi A6 / S6 dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: BMW 6-Series Gran Coupe vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $9,490
TrueDelta Adjusted Invoice Difference: $8,471
Model Year2015201520152013
Model6-Series Gran Coupe6-Series Gran Coupe6-Series Gran CoupeA6 / S6
Trim640i650iALPINA B6S6 4.0 TFSI
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine315hp I6445hp V8540hp V8420hp V8
TransmissionT8T8T8S7
DrivetrainRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)600, 16600, 16205, 9630, 14
Tire (rear if not all the same)245/40-19245/40-19255/35-20255/40-19
Total Price$92,525$103,825$130,175$83,770
Adjustments for Features00-1,700-735
Feature-Adjusted Total Price$92,525$103,825$128,475$83,035
Cost Above Minimum$0$11,300$35,950$0
Total Invoice$85,760$96,155$120,410$77,973
Adjustments for Features00-1,572-684
Feature-Adjusted Total Invoice$85,760$96,155$118,838$77,289
Cost Above Minimum$0$10,395$33,078$0

Return to top

Features Comparison: BMW 6-Series Gran Coupe vs. Audi A6 / S6

Model Year2015201520152013
Model6-Series Gran Coupe6-Series Gran Coupe6-Series Gran CoupeA6 / S6
Trim640i650iALPINA B6S6 4.0 TFSI
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300$1300 
7-speed automated manual   $1200
RWD$0$0  
AWD  $1700$1700
Accessories 
Power door closers$300$300$300 
Remote app$25$25$25 
Remote window/roof operation$15$15$15 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0$0 
Animal detection, night$50$50$50 
Automatic braking, high-speed or partial$200$200$200 
Collision preparation system, rear   $100
Driver drowsiness monitor$150$150$150 
Hill descent control  $250 
Lane departure collision mitigation$50$50$50 
Lane departure prevention   $150
Pedestrian detection$50$50$50 
Rollover sensor   $50
Temporary spare tire   $150
Tires, run-flat$150$150$150 
Wide-view rear camera   $0
Cargo Management 
Cargo mat$40$40$40 
Cargo net   $40
Ski sack$50$50$50 
Drivetrain 
Active rear differential   $500
Engine / Motor 
Automatic start / stop$150$150$150 
Dual-mode exhaust, switchable   $500
Exterior 
Black exterior trim (optional)$0$0  
Body kit   $0
Power-venting glass roof panel$300$300  
Rear spoiler  $200 
Sunroof   $900
Infotainment 
App support$0$0$0 
Concierge Services - 3 year subscription$150$150$150 
iPod integration   $100
S Voice support$0$0$0 
Satellite radio   $200
Satellite radio - one year subscription$250$250$250 
Siri Eyes Free support$0$0$0 
Telematics service, such as OnStar$200$200$200 
USB port$25$25$25 
Voice control for external devices$0$0$0 
Wi-Fi hotspot   $50
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200$200$200 
Compass   $0
Fog light, rear   $100
Fog lights$125$125$125 
Headlight washers$50$50$50 
Large color reconfigurable instrument cluster display$250$250  
Seats and Interior Trim 
Ceramic controls$0$0$0 
Door sill trim plates$100$100  
Illuminated door sill trim plates  $200$200
Leather door panel trim$250$250$250 
Metal pedals   $75
Power headrest height adjuster, driver seat$50$50$50 
Power headrest height adjuster, passenger seat$50$50$50 
Power thigh bolsters, driver seat   $100
Power thigh bolsters, passenger seat   $100
Power upper seatback recliner, driver seat$100$100$100 
Power upper seatback recliner, passenger seat$100$100$100 
Synthetic suede headliner$650$650$650 
Upholstered instrument panel, leather$1000$1000$1000 
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable   $1000
Sport suspension (upgrade)  $0$0
Transmission 
Launch control$100$100$100 
Total Value of Features$6,480$6,480$8,180$7,215
Value of Feature Adjustments$0$0$1,700$735
Value of Feature Adjustments00-1,572-684

Return to top

Specifications Comparison: BMW 6-Series Gran Coupe vs. Audi A6 / S6

Model Year20152013
Model6-Series Gran CoupeA6 / S6
Body4dr Sedan4dr Sedan
Wheelbase116.9 in114.7 in
Length197.2 in193.9 in
Width74.6 in73.8 in
Height54.8 in57.8 in
Curb Weight4,192 lb.3,727 lb.
Fuel Capacity18.5 gal.19.8 gal.
Row 1 Headroom40.6 in37.2 in
Row 1 Shoulder Room56.7 in57.5 in
Row 1 Legroom42.1 in41.3 in
Row 2 Headroom37.0 in37.8 in
Row 2 Shoulder Room54.6 in56.3 in
Row 2 Legroom35.3 in37.4 in
Cargo Volume16.2 ft314.1 ft3

Return to top

Option Package Details
BMW 6-Series Gran Coupe 640i

M Sport Edition
FeatureValueRequested?
Auto-dimming headlights200No
LED headlights500Yes
Sport front fascia (optional)0No
Sport rear fascia, e.g. diffuser (optional)0No
Dark-colored headliner (optional)0No
Synthetic suede headliner650No
Black exterior trim (optional)0No
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Upholstered instrument panel, leather700No
Ceramic controls0No
245/40YR19 tires200No
Cooled or ventilated front seats300Yes
Rear air vents with automatic controls150Yes
Power door closers300No
Head-up display (HUD)350Yes
Surround sound250Yes
Rear dual-zone climate control125Yes
Concierge Services - 3 year subscription150No
Harman/Kardon, 600W, 16 speakers (with subwoofer)350No
Power thigh support adjuster, driver seat100Yes
Power seatback bolsters, driver seat100Yes
Power upper seatback recliner, driver seat100No
Power thigh support adjuster, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Power upper seatback recliner, passenger seat100No
Memory system, passenger seat150Yes
Front sport buckets100Yes
Total Requested267549%
Total Not Requested275051%
Driver Assistance Plus
FeatureValueRequested?
Lane departure warning system200Yes
Blind spot warning system200Yes
Around view cameras300Yes
Automatic braking, low-speed200Yes
Driver drowsiness monitor150No
Forward collision warning200Yes
Wide-view front camera150Yes
Speed limit information0No
Lane departure collision mitigation50No
Pedestrian detection50No
Total Requested125083%
Total Not Requested25017%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%

Option Package Details
BMW 6-Series Gran Coupe 650i

M Sport Edition
FeatureValueRequested?
Auto-dimming headlights200No
LED headlights500Yes
Sport front fascia (optional)0No
Sport rear fascia, e.g. diffuser (optional)0No
Dark-colored headliner (optional)0No
Synthetic suede headliner650No
Black exterior trim (optional)0No
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Upholstered instrument panel, leather700No
Ceramic controls0No
245/40YR19 tires200No
Cooled or ventilated front seats300Yes
Rear air vents with automatic controls150Yes
Power door closers300No
Head-up display (HUD)350Yes
Rear dual-zone climate control125Yes
Harman/Kardon, 600W, 16 speakers (with subwoofer)350No
Total Requested177543%
Total Not Requested240057%
Driver Assistance Plus
FeatureValueRequested?
Lane departure warning system200Yes
Blind spot warning system200Yes
Around view cameras300Yes
Automatic braking, low-speed200Yes
Driver drowsiness monitor150No
Forward collision warning200Yes
Wide-view front camera150Yes
Speed limit information0No
Lane departure collision mitigation50No
Pedestrian detection50No
Total Requested125083%
Total Not Requested25017%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%

Option Package Details
BMW 6-Series Gran Coupe ALPINA B6

Executive Package
FeatureValueRequested?
Ceramic controls0No
LED headlights500Yes
Heated second row seats200Yes
Cooled or ventilated front seats300Yes
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Massage, driver seat100Yes
Massage, passenger seat100Yes
Heated steering wheel100Yes
Head-up display (HUD)350Yes
Auto-dimming headlights200No
Total Requested200091%
Total Not Requested2009%
Driver Assistance Plus
FeatureValueRequested?
Lane departure warning system200Yes
Blind spot warning system200Yes
Around view cameras300Yes
Automatic braking, low-speed200Yes
Driver drowsiness monitor150No
Forward collision warning200Yes
Wide-view front camera150Yes
Speed limit information0No
Lane departure collision mitigation50No
Pedestrian detection50No
Total Requested125083%
Total Not Requested25017%

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Sunshade, rear, power
FeatureValueRequested?
Sunshade, rear, power225Yes
Sunshades, second row125Yes
Total Requested350100%
Total Not Requested00%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh support adjuster, passenger seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Memory system, passenger seat150Yes
Massage, driver seat100Yes
Massage, passenger seat100Yes
Total Requested105084%
Total Not Requested20016%
Innovation Package
FeatureValueRequested?
Night vision1750Yes
Head-up display (HUD)350Yes
Lane departure warning system200Yes
Lane departure prevention system150No
Around view cameras300Yes
Wide-view front camera150Yes
Pedestrian detection, night50Yes
Wide-view rear camera0No
Radar- or camera-based collision preparation system0Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision alert200Yes
Power-folding mirrors50Yes
Blind spot warning system200Yes
Collision preparation system, rear only100No
Total Requested415094%
Total Not Requested2506%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans
See TrueDelta's information for all BMW models.