Audi A4 / S4 Audi A4 / S4 2010 Audi A8 / S8 Audi A8 / S8 2008

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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: $59,050

Audi A4 / S4 S4 3.0T   
Difference: $43,175

Lowest Total Invoice: $54,979

Audi A4 / S4 S4 3.0T   
Difference: $40,283

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102008
ModelA4 / S4A8 / S8
TrimS4 3.0TS8
Body4dr Sedan4dr Sedan
Base Price $45,900 $93,300
Base Invoice $42,687 $86,771
Prestige Package 6,100  
Sunshade, rear, power 500  
Driver Assist Package 900  
Metallic paint (extra cost) 475  
Rear side airbags 350  
Wood trim 500  
Adaptive cruise control 2,100 2,100
7-speed automated manual 1,400  
Premium Package   2,800
Rear air vents with automatic controls   600
Satellite radio   550
Prestige Package 5,674  
Sunshade, rear, power 466  
Driver Assist Package 837  
Metallic paint (extra cost) 443  
Rear side airbags 325  
Wood trim 466  
Adaptive cruise control 1,954 1,953
7-speed automated manual 1,302  
Premium Package   2,605
Rear air vents with automatic controls   557
Satellite radio   501
Options (change) 12,325 6,050
Options (change) 11,467 5,616
Destination 825 775
Gas Tax 0 2,100
Total Price $59,050 $102,225
Total Invoice $54,979 $95,262

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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 3.0T
TrueDelta Adjusted Price Difference: $39,850
TrueDelta Adjusted Invoice Difference: $37,184
Model Year20102008
ModelA4 / S4A8 / S8
TrimS4 3.0TS8
Body4dr Sedan4dr Sedan
Engine333hp V6450hp V10
TransmissionS7T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)18/28 MPG13/19 MPG
Audio (watts, speakers)505, 14200, 12
Tire (rear if not all the same)255/35-19265/35-20
Total Price$59,050$102,225
Adjustments for Features0-3,325
Feature-Adjusted Total Price$59,050$98,900
Total Invoice$54,979$95,262
Adjustments for Features0-3,099
Feature-Adjusted Total Invoice$54,979$92,163

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

Model Year20102008
ModelA4 / S4A8 / S8
TrimS4 3.0TS8
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed automated manual$1200 
6-speed manually-shiftable automatic $1100
AWD$1700$1700
Accessories 
Power trunk closer $350
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Blind spot warning system$200 
Forward collision warning$200 
Full-size spare tire $225
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Radar- or camera-based collision preparation system$0 
Temporary spare tire$150 
Climate Control 
Rear dual-zone climate control $125
Residual heat $50
Exterior 
Bodyside moldings $75
Infotainment 
Aux input$50 
CD changer, remote $200
CD player$125 
DVD-compatible player$0 
Media drive$15 
MP3-compatible player$50 
SD Card slot$25 
Traffic information$25 
Instruments, Lights, and Mirrors 
Compass$0 
Cornering lights $50
Headlight washers $50
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Seats and Interior Trim 
Folding second row seats$300 
Heated second row seats $200
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Memory system, passenger seat $150
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
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 headliner $650
Synthetic suede inserts in leather seating surfaces$0 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Air suspension, auto-leveling and height adjustable $1000
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$4,490$7,815
Value of Feature Adjustments$0$3,325
Value of Feature Adjustments0-3,099

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

Model Year20102008
ModelA4 / S4A8 / S8
Body4dr Sedan4dr Sedan
Wheelbase110.6 in115.9 in
Length185.2 in199.3 in
Width71.9 in74.6 in
Height56.2 in56.9 in
Curb Weight3,637 lb.4,586 lb.
Fuel Capacity16.9 gal.23.8 gal.
Row 1 Headroom40.0 in37.3 in
Row 1 Shoulder Room55.5 in59.1 in
Row 1 Legroom41.3 in41.4 in
Row 2 Headroom37.5 in38.0 in
Row 2 Shoulder Room54.3 in57.5 in
Row 2 Legroom35.2 in37.6 in
Cargo Volume12.4 ft314.6 ft3

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Option Package Details
Audi A4 / S4 S4 3.0T

Prestige Package
FeatureValueRequested?
255/35YR19 tires400No
Surround sound250Yes
Proximity key250Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Media drive, large15No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Traffic information25No
Total Requested170068%
Total Not Requested79032%
Driver Assist Package
FeatureValueRequested?
Obstacle detection, rear250Yes
Rearview camera200Yes
Blind spot warning system200No
Total Requested45069%
Total Not Requested20031%

Option Package Details
Audi A8 / S8 S8

Rear air vents with automatic controls
FeatureValueRequested?
Rear air vents with automatic controls150Yes
Rear dual-zone climate control125No
Total Requested15055%
Total Not Requested12545%
Premium Package
FeatureValueRequested?
Sunshades, second row125Yes
Sunshade, rear, power225Yes
Obstacle detection, front150No
Obstacle detection, rear250Yes
Rearview camera200Yes
Power decklid300No
Proximity key250Yes
Total Requested105070%
Total Not Requested45030%

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