Audi A8 / S8 Audi A8 / S8 2018 Audi A6 / S6 Audi A6 / S6 2015

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Audi A8 / S8 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.

Audi A8 / S8 vs. Audi A6 / S6 Invoice Comparison

Lowest Total Price: $89,320

Audi A6 / S6 S6 4.0 TFSI   
Difference: $32,880

Lowest Total Invoice: $83,141

Audi A6 / S6 S6 4.0 TFSI   
Difference: $30,575

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182015
ModelA8 / S8A6 / S6
TrimS8 PlusS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Base Price $115,900 $75,500
Base Invoice $107,788 $70,217
Executive Plus Package 2,800  
Night vision 2,300 2,500
All-weather floor mats 225 195
Cold Weather Package   500
Warm Weather Package   500
Driver Assistance Package   2,800
Comfort Seating Package   2,000
Metallic paint (extra cost)   550
Rear side airbags   350
Carbon fiber trim   500
Synthetic suede headliner   3,000
Executive Plus Package 2,604  
Night vision 2,140 2,327
All-weather floor mats 209 181
Cold Weather Package   467
Warm Weather Package   467
Driver Assistance Package   2,604
Comfort Seating Package   1,860
Metallic paint (extra cost)   511
Rear side airbags   325
Carbon fiber trim   467
Synthetic suede headliner   2,790
Options (change) 5,325 12,895
Options (change) 4,953 11,999
Destination 975 925
Total Price $122,200 $89,320
Total Invoice $113,716 $83,141

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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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TrueDelta Value Comparison: Audi A8 / S8 vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $30,115
TrueDelta Adjusted Invoice Difference: $28,002
Model Year20182015
ModelA8 / S8A6 / S6
TrimS8 PlusS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Engine605hp V8420hp V8
TransmissionT8S7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)630, 14630, 14
Tire (rear if not all the same)275/35-21255/40-19
Total Price$122,200$89,320
Adjustments for Features-2,7650
Feature-Adjusted Total Price$119,435$89,320
Total Invoice$113,716$83,141
Adjustments for Features-2,5730
Feature-Adjusted Total Invoice$111,143$83,141

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Features Comparison: Audi A8 / S8 vs. Audi A6 / S6

Model Year20182015
ModelA8 / S8A6 / S6
TrimS8 PlusS6 4.0 TFSI
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
7-speed automated manual $1200
AWD$1700$1700
Accessories 
Active noise reduction$0 
Hands-free trunk or liftgate$100 
Power door closers$300 
Power trunk closer$350 
Remote window/roof operation$15 
Sunshades, second row $125
Sunshades, second row, power$225 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Animal detection, night$50 
Full-size spare tire$225 
Lane departure prevention $150
Lane departure prevention, steering-based$200 
Temporary spare tire $150
Cargo Management 
Air-conditioned storage compartment$50 
Ski sack$50 
Drivetrain 
Active rear differential $500
Engine / Motor 
Regenerative braking $0
Exterior 
Laminated front side windows$200 
Laminated rear side windows$100 
Rear spoiler$200 
Infotainment 
iPod integration $100
SD Card slot$25 
USB port$25 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming headlights$200 
Headlight washers$50 
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
Steering-linked headlights$150 
Seats and Interior Trim 
Door sill trim plates$100 
Folding second row seats $300
Illuminated door sill trim plates $200
Metal pedals $75
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power seat belt height adjusters, front row$25 
Power upper seatback recliner, driver seat$100 
Power upper seatback recliner, passenger seat$100 
Upholstered instrument panel$300 
Suspension, Wheels, and Tires 
Active steering$1000 
Sport suspension (upgrade) $0
Total Value of Features$7,415$4,650
Value of Feature Adjustments$2,765$0
Value of Feature Adjustments-2,5730

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Specifications Comparison: Audi A8 / S8 vs. Audi A6 / S6

Model Year20182015
ModelA8 / S8A6 / S6
Body4dr Sedan4dr Sedan
Wheelbase117.8 in114.7 in
Length202.6 in193.9 in
Width76.7 in73.8 in
Height57.4 in57.8 in
Curb Weight4,686 lb.3,727 lb.
Fuel Capacity21.7 gal.19.8 gal.
Row 1 Headroom37.2 in37.2 in
Row 1 Shoulder Room59.1 in57.5 in
Row 1 Legroom41.4 in41.3 in
Row 2 Headroom38.1 in37.8 in
Row 2 Shoulder Room57.8 in56.3 in
Row 2 Legroom38.7 in37.4 in
Cargo Volume14.2 ft314.1 ft3

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Option Package Details
Audi A8 / S8 S8 Plus

Executive Plus Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100Yes
Heated steering wheel100Yes
Ski sack50No
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200No
Total Requested170087%
Total Not Requested25013%

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Night vision
FeatureValueRequested?
Night vision1750Yes
Pedestrian detection, night50Yes
Total Requested1800100%
Total Not Requested00%
Synthetic suede headliner
FeatureValueRequested?
Synthetic suede headliner650Yes
Dark-colored headliner (optional)0No
Total Requested650100%
Total Not Requested00%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
Warm Weather Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Total Requested350100%
Total Not Requested00%
Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Lane departure prevention system150Yes
Around view cameras300Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Wide-view front camera150Yes
Wide-view rear camera0Yes
Total Requested1900100%
Total Not Requested00%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support adjuster, driver seat100Yes
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver seat100Yes
Power thigh support adjuster, passenger seat100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Memory system, passenger seat150Yes
Massage, driver seat100Yes
Massage, passenger seat100Yes
Total Requested1250100%
Total Not Requested00%

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