Audi A8 / S8 Audi A8 / S8 2009 Audi A4 / S4 Audi A4 / S4 2018

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Audi A8 / S8 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.

Audi A8 / S8 vs. Audi A4 / S4 Invoice Comparison

Lowest Total Price: $63,000

Audi A4 / S4 S4 3.0T   
Difference: $41,575

Lowest Total Invoice: $58,663

Audi A4 / S4 S4 3.0T   
Difference: $38,797

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092018
ModelA8 / S8A4 / S4
TrimS8S4 3.0T
Body4dr Sedan4dr Sedan
Base Price $96,200 $51,400
Base Invoice $89,465 $47,802
Cold Weather Package 850 500
Technology Package 3,500  
Rear air vents with automatic controls 600  
Carbon fiber trim 500 500
Driver Assistance Package   1,800
Prestige Package   4,400
S Sport Package   2,500
Metallic paint (extra cost)   575
Rear side airbags   350
Cold Weather Package 791 466
Technology Package 3,256  
Rear air vents with automatic controls 557  
Carbon fiber trim 466 466
Driver Assistance Package   1,674
Prestige Package   4,092
S Sport Package   2,326
Metallic paint (extra cost)   536
Rear side airbags   326
Options (change) 5,450 10,625
Options (change) 5,070 9,886
Destination 825 975
Gas Tax 2,100 0
Total Price $104,575 $63,000
Total Invoice $97,460 $58,663

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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 A8 / S8 vs. Audi A4 / S4

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $45,225
TrueDelta Adjusted Invoice Difference: $42,196
Model Year20092018
ModelA8 / S8A4 / S4
TrimS8S4 3.0T
Body4dr Sedan4dr Sedan
Engine450hp V10354hp V6
TransmissionT6T8
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)13/19 MPG21/30 MPG
Audio (watts, speakers)200, 12755, 19
Tire (rear if not all the same)265/35-20245/40-18
Total Price$104,575$63,000
Adjustments for Features0-3,650
Feature-Adjusted Total Price$104,575$59,350
Total Invoice$97,460$58,663
Adjustments for Features0-3,399
Feature-Adjusted Total Invoice$97,460$55,264

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Features Comparison: Audi A8 / S8 vs. Audi A4 / S4

Model Year20092018
ModelA8 / S8A4 / S4
TrimS8S4 3.0T
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
8-speed manually-shiftable automatic $1300
AWD$1700$1700
Accessories 
Adaptive cruise control$600 
Adaptive cruise control, all-speed, topography and road sign aware $1100
Low-speed semi-autonomous driving $100
Power door closers$300 
Power trunk closer$350 
Remote app $25
Remote window/roof operation$15 
Sunshade, rear, power$225 
Sunshades, second row$125 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Around view cameras $500
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Collision preparation system, rear $100
Cross-traffic warning, rear $100
Driver drowsiness monitor $150
Evasive maneuver assist $200
Following distance indicator $25
Forward collision warning $200
Full-size spare tire$225 
Lane keeping assist $400
Pedestrian detection $50
Radar- or camera-based collision preparation system $0
Rearview camera$200 
Rollover sensor $50
Secondary collision brake assist $25
Temporary spare tire $150
Torque vectoring, brake-based $100
Turn assist $25
Vehicle exit assist $25
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment $50
Rear seat pass-through$100 
Ski sack$50 
Climate Control 
Rear dual-zone climate control$125 
Residual heat$50 
Drivetrain 
Active rear differential $500
Engine / Motor 
Automatic start / stop $150
Regenerative braking $0
Exterior 
Body kit $0
Bodyside moldings$75 
Laminated front side windows $200
Painted brake calipers (optional) $0
Rear spoiler $200
Infotainment 
4G LTE connectivity $0
Android Auto support $100
Apple CarPlay support $100
Aux input $50
Bluetooth audio streaming $25
CD changer, remote$200 
CD player, remote $100
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Media drive $15
MP3-compatible player $50
SD Card slot $25
Telematics service, such as OnStar $200
Traffic + travel information $25
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200
Boost gauge $75
Compass $0
Cornering lights$50 
Head-up display (HUD) $350
Headlight washers$50 
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Mirror tilt-down in reverse$25 
Predictive efficiency assist $0
Road sign information $75
Steering-linked headlights$150 
Xenon HID headlights$500 
Seats and Interior Trim 
Door sill trim plates$100 
Folding second row seats $300
Illuminated door sill trim plates $200
Leather door panel trim$250 
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat$150 
Metal pedals $75
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$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 
Synthetic suede door panel trim $250
Synthetic suede headliner$650 
Synthetic suede inserts in leather seating surfaces $0
Upholstered door armrests (optional) $0
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable$1000 
Electronic systems calibration selector $200
Transmission 
Launch control $100
Total Value of Features$9,465$13,115
Value of Feature Adjustments$0$3,650
Value of Feature Adjustments0-3,399

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Specifications Comparison: Audi A8 / S8 vs. Audi A4 / S4

Model Year20092018
ModelA8 / S8A4 / S4
Body4dr Sedan4dr Sedan
Wheelbase115.9 in111.0 in
Length199.3 in186.1 in
Width74.6 in72.5 in
Height56.9 in56.2 in
Curb Weight4,586 lb.3,858 lb.
Fuel Capacity23.8 gal.16.9 gal.
Row 1 Headroom37.3 in38.9 in
Row 1 Shoulder Room59.1 in55.9 in
Row 1 Legroom41.4 in41.3 in
Row 2 Headroom38.0 in37.4 in
Row 2 Shoulder Room57.5 in54.5 in
Row 2 Legroom37.6 in35.7 in
Cargo Volume14.6 ft313.0 ft3

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Option Package Details
Audi A8 / S8 S8

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100No
Heated steering wheel100Yes
Ski sack50No
Steering-wheel-mounted transmission controls100Yes
Total Requested40073%
Total Not Requested15027%
Technology Package
FeatureValueRequested?
Adaptive cruise control450Yes
Lane departure warning system200Yes
Blind spot warning system200Yes
Total Requested850100%
Total Not Requested00%

Option Package Details
Audi A4 / S4 S4 3.0T

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200No
Lane departure warning200Yes
Road sign information75No
Turn assist25No
Lane keeping assist400No
Following distance indicator25No
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Total Requested2009%
Total Not Requested197591%
Prestige Package
FeatureValueRequested?
Head-up display (HUD)350No
Laminated front side windows200No
Around view cameras300No
Wide-view front camera150No
Wide-view rear camera0No
Interior ambient lighting, configurable0No
Upholstered door armrests (optional)0No
Large color reconfigurable instrument cluster display250No
Handwriting recognition200No
Remote app25No
Speed limit information0No
4G LTE connectivity0No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio75Yes
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50No
Total Requested67528%
Total Not Requested171572%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%

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