Audi A4 / S4 Audi A4 / S4 2021 Audi A8 / S8 Audi A8 / S8 2018

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

Lowest Total Price: $63,940

Audi A4 / S4 S4   
Difference: $55,960

Calculate Payments

  Down Payment Interest Rate Term
Model Year20212018
ModelA4 / S4A8 / S8
TrimS4S8 Plus
Body4dr Sedan4dr Sedan
Base Price $49,900 $115,900
Driver Assistance Package 1,800  
Prestige Package 4,400  
S Sport Package 2,500  
Warm Weather Package 950  
Cold Weather Package 500  
Metallic paint (extra cost) 575  
Carbon fiber trim 500  
Active steering 1,150  
Rear side airbags 350  
Cargo net 80  
All-weather floor mats 190 225
Executive Plus Package   2,800
Driver Assistance Package 1,674  
Prestige Package 4,092  
S Sport Package 2,326  
Warm Weather Package 884  
Cold Weather Package 466  
Metallic paint (extra cost) 536  
Carbon fiber trim 466  
Active steering 1,070  
Rear side airbags 326  
Cargo net 74  
All-weather floor mats 177 209
Executive Plus Package   2,604
Options (change) 12,995 3,025
Options (change) 12,091 2,813
Destination 1,045 975
Total Price $63,940 $119,900

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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. Audi A8 / S8

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4
TrueDelta Adjusted Price Difference: $54,145
TrueDelta Adjusted Invoice Difference: $96,751
Model Year20212018
ModelA4 / S4A8 / S8
TrimS4S8 Plus
Body4dr Sedan4dr Sedan
Engine349hp V6605hp V8
TransmissionT8T8
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)755, 19630, 14
Tire (rear if not all the same)245/40-18275/35-21
Total Price$63,940$119,900
Adjustments for Features0-1,815
Feature-Adjusted Total Price$63,940$118,085

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

Model Year20212018
ModelA4 / S4A8 / S8
TrimS4S8 Plus
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300
AWD$1700$1700
Accessories 
Active noise reduction $0
Adaptive cruise control, all-speed $850
Adaptive cruise control, all-speed, topography and road sign aware$1100 
Hands-free trunk or liftgate $100
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 
Sunshades, second row, power $225
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
Automatic braking, high-speed or partial$200 
Cross-traffic warning, rear$100 
Driver drowsiness monitor$150 
Evasive maneuver assist$200 
Following distance indicator$25 
Full-size spare tire $225
Lane departure prevention, steering-based $200
Lane keeping assist$400 
Pedestrian detection$50 
Secondary collision brake assist$25 
Temporary spare tire$150 
Torque vectoring, brake-based$100 
Turn assist$25 
Vehicle exit assist$25 
Cargo Management 
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 
Dual-mode exhaust, switchable $500
Regenerative braking$0 
Exterior 
Laminated rear side windows $100
Painted brake calipers (optional)$0 
Infotainment 
4G LTE connectivity$0 
Android Auto support$100 
Apple CarPlay support$100 
CD player $125
CD player, remote$100 
Telematics service, such as OnStar$200 
Instruments, Lights, and Mirrors 
Analog clock $25
Boost gauge$75 
Cornering lights $50
Fog lights$125 
Headlight washers $50
Large color reconfigurable instrument cluster display$250 
Mirror tilt-down in reverse $25
Predictive efficiency assist$0 
Road sign information$75 
Steering-linked headlights $150
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 
Memory system, passenger seat $150
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 seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh bolsters, driver seat $100
Power thigh 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
Upholstered door armrests (optional)$0 
Upholstered instrument panel $300
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable $1000
Sport suspension (upgrade)$0 
Transmission 
Launch control$100 
Total Value of Features$8,750$10,565
Value of Feature Adjustments$0$1,815
Value of Feature Adjustments0-1,689

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

Model Year20212018
ModelA4 / S4A8 / S8
Body4dr Sedan4dr Sedan
Wheelbase111.0 in117.8 in
Length187.5 in202.6 in
Width72.7 in76.7 in
Height56.2 in57.4 in
Curb Weight3,683 lb.4,686 lb.
Fuel Capacity15.3 gal.21.7 gal.
Row 1 Headroom37.3 in37.2 in
Row 1 Shoulder Room55.9 in59.1 in
Row 1 Legroom41.3 in41.4 in
Row 2 Headroom37.4 in38.1 in
Row 2 Shoulder Room54.5 in57.8 in
Row 2 Legroom35.7 in38.7 in
Cargo Volume12.0 ft314.2 ft3

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Option Package Details
Audi A4 / S4 S4

Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Lane departure warning200Yes
Road sign information75No
Turn assist25No
Lane keeping assist400Yes
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 Requested80037%
Total Not Requested137563%
Prestige Package
FeatureValueRequested?
Head-up display (HUD)350Yes
Laminated front side windows200Yes
Around view cameras300Yes
Wide-view front camera150Yes
Wide-view rear camera0Yes
Interior ambient lighting, configurable150Yes
Upholstered door armrests (optional)0No
Large color reconfigurable instrument cluster display250No
Handwriting recognition200Yes
Remote app25No
Speed limit information0No
4G LTE connectivity0No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio75Yes
Media drive15Yes
Traffic + travel information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50Yes
Total Requested226589%
Total Not Requested27511%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%
Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Sunshades, second row125Yes
Total Requested425100%
Total Not Requested00%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%

Option Package Details
Audi A8 / S8 S8 Plus

Executive Plus Package
FeatureValueRequested?
Heated second row seats200Yes
Rear seat pass-through100No
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-based200Yes
Total Requested180092%
Total Not Requested1508%

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