Audi A8 / S8 Audi A8 / S8 2018 Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2008

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Audi A8 / S8 vs. Audi A4 / S4 / RS4 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 / RS4 Invoice Comparison

Lowest Total Price: $74,135

Audi A4 / S4 / RS4 RS4   
Difference: $42,740

Lowest Total Invoice: $69,147

Audi A4 / S4 / RS4 RS4   
Difference: $39,616

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182008
ModelA8 / S8A4 / S4 / RS4
TrimS8 PlusRS4
Body4dr Sedan4dr Sedan
Base Price $115,900 $66,910
Base Invoice $107,788 $62,227
Premium Package   4,000
iPod integration   0
Rear side airbags   350
Premium Package   3,720
iPod integration   0
Rear side airbags   325
Options (change) 0 4,350
Options (change) 0 4,045
Destination 975 775
Gas Tax 0 2,100
Total Price $116,875 $74,135
Total Invoice $108,763 $69,147

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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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Request free, no-obligation Audi A8 / S8 dealer quotes or Audi A4 / S4 / RS4 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A8 / S8 vs. Audi A4 / S4 / RS4

Lowest Adjusted Price and Invoice: Audi A4 / S4 / RS4 RS4
TrueDelta Adjusted Price Difference: $31,410
TrueDelta Adjusted Invoice Difference: $29,072
Model Year20182008
ModelA8 / S8A4 / S4 / RS4
TrimS8 PlusRS4
Body4dr Sedan4dr Sedan
Engine605hp V8420hp V8
TransmissionT8M6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)14/24 MPG13/20 MPG
Audio (watts, speakers)630, 14215, 10
Tire (rear if not all the same)275/35-21255/35-19
Total Price$116,875$74,135
Adjustments for Features-11,3300
Feature-Adjusted Total Price$105,545$74,135
Total Invoice$108,763$69,147
Adjustments for Features-10,5440
Feature-Adjusted Total Invoice$98,219$69,147

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Features Comparison: Audi A8 / S8 vs. Audi A4 / S4 / RS4

Model Year20182008
ModelA8 / S8A4 / S4 / RS4
TrimS8 PlusRS4
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manual $150
AWD$1700$1700
Accessories 
Active noise reduction$0 
Hands-free trunk or liftgate$100 
Power door closers$300 
Power trunk closer$350 
Proximity key$250 
Remote window/roof operation$15 
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 
Around view cameras$500 
Blind spot warning system$200 
Brake- or yaw-sensor-initiated collision preparation system$0 
Collision preparation system, rear$100 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Obstacle detection, front$150 
Rollover sensor$50 
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
Storage compartment under front seat(s) $50
Climate Control 
Rear air vents with automatic controls$250 
Rear dual-zone climate control$125 
Residual heat$50 
Engine / Motor 
Dual-mode exhaust, switchable$500 
Exterior 
Bodyside moldings $75
Laminated front side windows$200 
Laminated rear side windows$100 
Infotainment 
Aux input$50 
Bluetooth audio streaming$25 
CD player$125 
DVD-compatible player$0 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
iPod integration $100
Media drive$15 
Surround sound$250 
Traffic + travel information$25 
USB port$25 
Voice control for nav and audio$100 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Analog clock$25 
Auto-dimming headlights$200 
Cornering lights$50 
Fog lights $125
Head-up display (HUD)$350 
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
LED headlights$1000 
Mirror tilt-down in reverse$25 
Xenon HID headlights $500
Seats and Interior Trim 
Cooled or ventilated front seats$300 
Folding second row seats $300
Heated second row seats $200
Manual thigh support length adjuster, driver seat $50
Massage, driver seat$100 
Massage, passenger seat$100 
Memory system, passenger seat$150 
Power fore-aft adjuster, driver seat$100 
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power height adjuster, driver seat$100 
Power recliner, driver seat$100 
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 tilt adjuster, driver seat$100 
Power upper seatback recliner, driver seat$100 
Power upper seatback recliner, passenger seat$100 
Synthetic suede headliner$650 
Upholstered instrument panel$300 
Suspension, Wheels, and Tires 
Active steering$1000 
Adaptive dampers - electrical$500 
Air suspension, auto-leveling and height adjustable$1000 
Electronic systems calibration selector$200 
Hydraulically cross-linked dampers $500
Ultra-sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$15,755$4,425
Value of Feature Adjustments$11,330$0
Value of Feature Adjustments-10,5440

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Specifications Comparison: Audi A8 / S8 vs. Audi A4 / S4 / RS4

Model Year20182008
ModelA8 / S8A4 / S4 / RS4
Body4dr Sedan4dr Sedan
Wheelbase117.8 in104.3 in
Length202.6 in180.6 in
Width76.7 in69.8 in
Height57.4 in56.2 in
Curb Weight4,685 lb.3,957 lb.
Fuel Capacity21.7 gal.16.6 gal.
Row 1 Headroom37.2 in38.4 in
Row 1 Shoulder Room59.1 in55.1 in
Row 1 Legroom41.4 in41.3 in
Row 2 Headroom38.1 in37.2 in
Row 2 Shoulder Room57.8 in53.4 in
Row 2 Legroom38.7 in34.3 in
Cargo Volume14.2 ft313.4 ft3

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Option Package Details
Audi A4 / S4 / RS4 RS4

Premium Package
FeatureValueRequested?
Navigation system600Yes
Heated second row seats200No
CD changer, remote-125No
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Memory system, driver seat200Yes
Bose, 215W, 10 speakers (with subwoofer)350No
SD Card slot25Yes
Automatic headlights125Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Total Requested185081%
Total Not Requested42519%

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