Audi A4 / S4 Audi A4 / S4 2006 Audi A8 / S8 Audi A8 / S8 2018

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $57,270

Audi A4 / S4 S4   
Difference: $59,605

Lowest Total Invoice: $52,870

Audi A4 / S4 S4   
Difference: $55,893

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062018
ModelA4 / S4A8 / S8
TrimS4S8 Plus
Body4dr Sedan4dr Sedan
Base Price $46,400 $115,900
Base Invoice $42,758 $107,788
Premium Package 2,900  
Sunshade, rear, power 400  
Metallic paint (extra cost) 450  
Carbon fiber trim 300  
Rear side airbags 350  
Bluetooth cell phone link 500  
Bose 215W 10 speakers 1,000  
Obstacle detection, rear 350  
Navigation system 1,950  
Tire-pressure monitor 250  
Premium Package 2,639  
Sunshade, rear, power 364  
Metallic paint (extra cost) 410  
Carbon fiber trim 273  
Rear side airbags 319  
Bluetooth cell phone link 455  
Bose 215W 10 speakers 910  
Obstacle detection, rear 319  
Navigation system 1,775  
Tire-pressure monitor 228  
Options (change) 8,450 0
Options (change) 7,692 0
Destination 720 975
Gas Tax 1,700 0
Total Price $57,270 $116,875
Total Invoice $52,870 $108,763

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

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

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4
TrueDelta Adjusted Price Difference: $48,350
TrueDelta Adjusted Invoice Difference: $45,419
Model Year20062018
ModelA4 / S4A8 / S8
TrimS4S8 Plus
Body4dr Sedan4dr Sedan
Engine340hp V8605hp V8
TransmissionM6T8
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)215, 10630, 14
Tire (rear if not all the same)235/40-18275/35-21
Total Price$57,270$116,875
Adjustments for Features0-11,255
Feature-Adjusted Total Price$57,270$105,620
Total Invoice$52,870$108,763
Adjustments for Features0-10,474
Feature-Adjusted Total Invoice$52,870$98,289

Return to top

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

Model Year20062018
ModelA4 / S4A8 / S8
TrimS4S8 Plus
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
8-speed manually-shiftable automatic $1300
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 
Active or whiplash-reducing head restraints, front seats $0
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
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 
Body kit $0
Bodyside moldings$75 
Laminated front side windows $200
Laminated rear side windows $100
Infotainment 
Aux input $50
Bluetooth audio streaming $25
CD changer, remote$200 
CD player $125
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
Media drive $15
MP3-compatible player $50
Surround sound $250
Traffic + travel information $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, 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 
Manual thigh support length adjuster, driver seat$50 
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat $150
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
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
Ultra-sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$3,475$14,730
Value of Feature Adjustments$0$11,255
Value of Feature Adjustments0-10,474

Return to top

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

Model Year20062018
ModelA4 / S4A8 / S8
Body4dr Sedan4dr Sedan
Wheelbase104.3 in117.8 in
Length180.6 in202.6 in
Width69.8 in76.7 in
Height56.2 in57.4 in
Curb Weight3,550 lb.4,686 lb.
Fuel Capacity16.6 gal.21.7 gal.
Row 1 Headroom38.4 in37.2 in
Row 1 Shoulder Room55.1 in59.1 in
Row 1 Legroom41.3 in41.4 in
Row 2 Headroom37.2 in38.1 in
Row 2 Shoulder Room53.4 in57.8 in
Row 2 Legroom34.3 in38.7 in
Cargo Volume13.4 ft314.2 ft3

Return to top

Option Package Details
Audi A4 / S4 S4

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Sunroof900Yes
Universal garage door opener100Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Total Requested2125100%
Total Not Requested00%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans, Wagons, and Convertibles.
See TrueDelta's information for all Audi models.