Audi A8 / S8 Audi A8 / S8 2008 Infiniti G Infiniti G 2010
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Audi A8 / S8 vs. Infiniti G 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. Infiniti G Invoice Comparison

Lowest Total Price: $42,615

Infiniti G G37   
Difference: $59,185

Lowest Total Invoice: $39,107

Infiniti G G37   
Difference: $55,762

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082010
ModelA8 / S8G
TrimS8G37
Body4dr Sedan4dr Sedan
Base Price $93,300 $33,250
Base Invoice $86,771 $30,727
Ski sack 175  
Premium Package 2,800 2,150
Satellite radio 550  
Adaptive cruise control 2,100  
Technology Package   1,150
Navigation Package   1,850
Journey Package   1,200
Wood trim   550
Rear air vents   0
AWD   1,600
Ski sack 164  
Premium Package 2,605 1,862
Satellite radio 501  
Adaptive cruise control 1,953  
Technology Package   996
Navigation Package   1,603
Journey Package   1,105
Wood trim   476
Rear air vents   0
AWD   1,473
Options (change) 5,625 8,500
Options (change) 5,223 7,515
Destination 775 865
Gas Tax 2,100 0
Total Price $101,800 $42,615
Total Invoice $94,869 $39,107

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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 Infiniti G dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A8 / S8 vs. Infiniti G

Lowest Adjusted Price and Invoice: Infiniti G G37
TrueDelta Adjusted Price Difference: $54,210
TrueDelta Adjusted Invoice Difference: $51,126
Model Year20082010
ModelA8 / S8G
TrimS8G37
Body4dr Sedan4dr Sedan
Engine450hp V10328hp V6
TransmissionT6T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)13/19 MPG19/27 MPG
Audio (watts, speakers)200, 12?, 10
Tire (rear if not all the same)265/35-20225/55-17
Total Price$101,800$42,615
Adjustments for Features-4,9750
Feature-Adjusted Total Price$96,825$42,615
Total Invoice$94,869$39,107
Adjustments for Features-4,6360
Feature-Adjusted Total Invoice$90,233$39,107

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Features Comparison: Audi A8 / S8 vs. Infiniti G

Model Year20082010
ModelA8 / S8G
TrimS8G37
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
AWD$1700$1700
Accessories 
Power trunk closer$350 
Sunshade, rear, power$225 
Sunshades, second row$125 
Brakes, Airbags, and Other Safety 
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
Rear side airbags$300 
Temporary spare tire $150
Cargo Management 
Overhead sunglass holder $25
Ski sack$50 
Climate Control 
Heated windshield washer nozzles$15 
Ionizing air filtration $50
Residual heat$50 
Drivetrain 
Lockable center differential $150
Exterior 
Bodyside moldings$75 
Infotainment 
Aux input $50
Bluetooth audio streaming $25
CD changer, remote$200 
CD player $125
DVD-compatible player $0
iPod integration$100 
Media drive $15
MP3-compatible player $50
SD Card slot $25
Traffic + travel information $25
USB port $25
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming driver-side mirror$75 
Auto-dimming passenger-side mirror$75 
Cornering lights$50 
Fog light, rear$100 
Headlight washers$50 
Interior ambient lighting$150 
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
Steering-linked headlights$150 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Heated second row seats$200 
Manual lumbar adjuster, driver seat $50
Memory system, passenger seat$150 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, 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 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Air suspension, auto-leveling and height adjustable$1000 
Sport suspension (upgrade)$0 
Total Value of Features$8,865$3,890
Value of Feature Adjustments$4,975$0
Value of Feature Adjustments-4,6360

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See a complete comparison of Audi A8 / S8 vs. Infiniti G features.

Specifications Comparison: Audi A8 / S8 vs. Infiniti G

Model Year20082010
ModelA8 / S8G
Body4dr Sedan4dr Sedan
Wheelbase115.9 in112.2 in
Length199.3 in187.0 in
Width74.6 in69.8 in
Height56.9 in57.2 in
Curb Weight4,586 lb.3,783 lb.
Fuel Capacity23.8 gal.20.0 gal.
Row 1 Headroom37.3 in40.5 in
Row 1 Shoulder Room59.1 in55.6 in
Row 1 Hip Room0.0 in55.1 in
Row 1 Legroom41.4 in43.9 in
Row 2 Headroom38.0 in37.7 in
Row 2 Shoulder Room57.5 in55.2 in
Row 2 Hip Room0.0 in53.7 in
Row 2 Legroom37.6 in34.7 in
Cargo Volume14.6 ft313.5 ft3

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See a complete comparison of Audi A8 / S8 vs. Infiniti G specs.

Option Package Details
Audi A8 / S8 S8

Premium Package
FeatureValueRequested?
Sunshades, second row125No
Sunshade, rear, power225No
Obstacle detection, front150No
Obstacle detection, rear250Yes
Rearview camera200Yes
Power decklid300No
Proximity key250Yes
Total Requested70047%
Total Not Requested80053%

Option Package Details
Infiniti G G37

AWD
FeatureValueRequested?
AWD0Yes
Lockable center differential150No
Total Requested00%
Total Not Requested150100%
Technology Package
FeatureValueRequested?
Rain-sensing wipers100Yes
Adaptive cruise control450Yes
Radar- or camera-based collision preparation system0No
Automatic air recirculation100Yes
Forward collision alert200No
Ionizing air filtration50No
Total Requested65072%
Total Not Requested25028%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Media drive, large15No
Traffic + travel information25No
SD Card slot25No
Bluetooth audio streaming25No
Total Requested70089%
Total Not Requested9011%
Journey Package
FeatureValueRequested?
Heated mirrors25Yes
Heated front seats200Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Bluetooth cell phone link100Yes
Rearview camera200Yes
Compass0No
Dual-zone climate control125Yes
USB port25Yes
Total Requested1050100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Sunroof900Yes
Bose, 10 speakers (with subwoofer)350No
Media drive, small5No
Tilt/telescoping steering wheel, power100Yes
Memory system, driver seat200Yes
Obstacle detection, rear250Yes
Surround sound250Yes
Total Requested170083%
Total Not Requested35517%

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