Audi A8 / S8 Audi A8 / S8 2007 Infiniti G Infiniti G 2009

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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: $42,665

Infiniti G G37   
Difference: $54,580

Lowest Total Invoice: $39,092

Infiniti G G37   
Difference: $49,964

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072009
ModelA8 / S8G
TrimS8G37
Body4dr Sedan4dr Sedan
Base Price $92,000 $33,250
Base Invoice $84,065 $30,727
Ski sack 175  
Satellite radio 550  
Adaptive cruise control 2,100  
Premium Package   2,300
Journey Package   450
Technology Package   1,100
Navigation Package   2,150
Wood trim   550
Rear air vents   0
AWD   2,050
Ski sack 159  
Satellite radio 501  
Adaptive cruise control 1,911  
Premium Package   1,982
Journey Package   413
Technology Package   948
Navigation Package   1,853
Wood trim   476
Rear air vents   0
AWD   1,878
Options (change) 2,825 8,600
Options (change) 2,571 7,550
Destination 720 815
Gas Tax 1,700 0
Total Price $97,245 $42,665
Total Invoice $89,056 $39,092

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

Lowest Adjusted Price and Invoice: Infiniti G G37
TrueDelta Adjusted Price Difference: $52,105
TrueDelta Adjusted Invoice Difference: $47,697
Model Year20072009
ModelA8 / S8G
TrimS8G37
Body4dr Sedan4dr Sedan
Engine450hp V10328hp V6
TransmissionT6T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)15/21 MPG18/25 MPG
Audio (watts, speakers)200, 12374, 10
Tire (rear if not all the same)265/35-20225/55-17
Total Price$97,245$42,665
Adjustments for Features-2,4750
Feature-Adjusted Total Price$94,770$42,665
Total Invoice$89,056$39,092
Adjustments for Features-2,2670
Feature-Adjusted Total Invoice$86,789$39,092

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Features Comparison: Audi A8 / S8 vs. Infiniti G

Model Year20072009
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 / liftgate pull-down$50 
Proximity key $250
Brakes, Airbags, and Other Safety 
Forward collision warning $200
Knee airbag, driver$75 
Knee airbag, passenger$75 
Radar- or camera-based collision preparation system $0
Rear side airbags$300 
Rearview camera $200
Cargo Management 
Overhead sunglass holder $25
Ski sack$50 
Climate Control 
Heated windshield washer nozzles$15 
Rain-sensing wipers$175 
Residual heat$50 
Variable intermittent wipers $75
Drivetrain 
Lockable center differential $150
Exterior 
Bodyside moldings$75 
Self-repairing paint $0
Infotainment 
Aux input $50
CD changer, remote$200 
CD player $125
iPod integration $100
Media drive $15
MP3-compatible player $50
Traffic information $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 
Mirror tilt-down in reverse$25 
Power-folding mirrors$50 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
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 lumbar adjuster, driver 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 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Air suspension, auto-leveling and height adjustable$1000 
Sport suspension (upgrade)$0 
Total Value of Features$6,765$4,290
Value of Feature Adjustments$2,475$0
Value of Feature Adjustments-2,2670

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Specifications Comparison: Audi A8 / S8 vs. Infiniti G

Model Year20072009
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.3,795 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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Option Package Details
Infiniti G G37

AWD
FeatureValueRequested?
AWD0Yes
Heated mirrors25Yes
Heated front seats200Yes
Lockable center differential150No
Total Requested22560%
Total Not Requested15040%
Premium Package
FeatureValueRequested?
Sunroof900Yes
Bose, 374W, 10 speakers (with subwoofer)350No
Tilt/telescoping steering wheel, power100Yes
Heated mirrors25Yes
Heated front seats200Yes
Power lumbar adjuster, driver seat50Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Compass0No
Surround sound250Yes
iPod integration100No
Total Requested207582%
Total Not Requested45018%
Journey Package
FeatureValueRequested?
CD changer, in-dash200No
Automatic headlights125Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Dual-zone climate control125Yes
Total Requested45069%
Total Not Requested20031%
Technology Package
FeatureValueRequested?
Steering-linked headlights150Yes
Adaptive cruise control450Yes
Radar- or camera-based collision preparation system0No
Forward collision alert200No
Total Requested60075%
Total Not Requested20025%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Rearview camera200No
Voice control for nav and audio100Yes
Traffic information25No
Media drive, large15No
SD Card slot25No
Total Requested70073%
Total Not Requested26527%

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