Infiniti G Infiniti G 2009 Audi A8 / S8 Audi A8 / S8 2018

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Infiniti G 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.

Infiniti G vs. Audi A8 / S8 Invoice Comparison

Lowest Total Price: $41,975

Infiniti G G37   
Difference: $77,700

Lowest Total Invoice: $38,381

Infiniti G G37   
Difference: $72,986

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092018
ModelGA8 / S8
TrimG37S8 Plus
Body4dr Sedan4dr Sedan
Base Price $33,250 $115,900
Base Invoice $30,727 $107,788
Technology Package 1,100  
Navigation Package 2,150  
Journey Package 450  
Premium Package 2,500  
Sport Package AWD 1,100  
Rear spoiler 550  
Rear air vents 0  
Cargo net 60  
Executive Plus Package   2,800
Technology Package 948  
Navigation Package 1,853  
Journey Package 413  
Premium Package 2,155  
Sport Package AWD 948  
Rear spoiler 476  
Rear air vents 0  
Cargo net 46  
Executive Plus Package   2,604
Options (change) 7,910 2,800
Options (change) 6,839 2,604
Destination 815 975
Total Price $41,975 $119,675
Total Invoice $38,381 $111,367

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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: Infiniti G vs. Audi A8 / S8

Lowest Adjusted Price and Invoice: Infiniti G G37
TrueDelta Adjusted Price Difference: $63,335
TrueDelta Adjusted Invoice Difference: $59,618
Model Year20092018
ModelGA8 / S8
TrimG37S8 Plus
Body4dr Sedan4dr Sedan
Engine328hp V6605hp V8
TransmissionT7T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)374, 10630, 14
Tire (rear if not all the same)225/50-18275/35-21
Total Price$41,975$119,675
Adjustments for Features0-14,365
Feature-Adjusted Total Price$41,975$105,310
Total Invoice$38,381$111,367
Adjustments for Features0-13,368
Feature-Adjusted Total Invoice$38,381$97,999

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Features Comparison: Infiniti G vs. Audi A8 / S8

Model Year20092018
ModelGA8 / S8
TrimG37S8 Plus
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Active noise reduction $0
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Hands-free trunk or liftgate $100
Heated steering wheel $100
Power door closers $300
Power trunk closer $350
Sunshade, rear, power $225
Sunshades, second row, power $225
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, low-speed $200
Blind spot warning system $200
Collision preparation system, rear $100
Full-size spare tire $225
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure prevention, steering-based $200
Lane departure warning $200
Obstacle detection, front $150
Obstacle detection, rear $250
Rear side airbags $300
Rearview camera$200 
Rollover sensor $50
Temporary spare tire$150 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment $50
Overhead sunglass holder$25 
Ski sack $50
Climate Control 
Automatic air recirculation $100
Heated windshield washer nozzles $15
Rain-sensing wipers $175
Rear air vents$100 
Rear air vents with automatic controls $250
Rear dual-zone climate control $125
Residual heat $50
Variable intermittent wipers$75 
Engine / Motor 
Dual-mode exhaust, switchable $500
Exterior 
Body kit $0
Laminated front side windows $200
Laminated rear side windows $100
Self-repairing paint$0 
Infotainment 
Bluetooth audio streaming $25
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Traffic + travel information $25
Traffic information$25 
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75
Auto-dimming headlights $200
Auto-dimming passenger-side mirror $75
Compass $0
Cornering lights $50
Fog light, rear $100
Fog lights$125 
Head-up display (HUD) $350
Headlight washers $50
Interior ambient lighting, configurable $150
LED headlights $1000
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Turn signals on or near mirrors $25
Xenon HID headlights$500 
Seats and Interior Trim 
Aluminum trim$100 
Carbon fiber trim $200
Cooled or ventilated front seats $300
Heated second row seats $200
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat $150
Metal pedals$75 
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 seat belt height adjusters, front row $25
Power seatback bolsters, passenger 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
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
Total Value of Features$3,475$17,840
Value of Feature Adjustments$0$14,365
Value of Feature Adjustments0-13,368

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Specifications Comparison: Infiniti G vs. Audi A8 / S8

Model Year20092018
ModelGA8 / S8
Body4dr Sedan4dr Sedan
Wheelbase112.2 in117.8 in
Length187.0 in202.6 in
Width69.8 in76.7 in
Height57.2 in57.4 in
Curb Weight3,582 lb.4,686 lb.
Fuel Capacity20.0 gal.21.7 gal.
Row 1 Headroom40.5 in37.2 in
Row 1 Shoulder Room55.6 in59.1 in
Row 1 Hip Room55.1 in0.0 in
Row 1 Legroom43.9 in41.4 in
Row 2 Headroom37.7 in38.1 in
Row 2 Shoulder Room55.2 in57.8 in
Row 2 Hip Room53.7 in0.0 in
Row 2 Legroom34.7 in38.7 in
Cargo Volume13.5 ft314.2 ft3

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Option Package Details
Infiniti G G37

Technology Package
FeatureValueRequested?
Steering-linked headlights150Yes
Adaptive cruise control450Yes
Radar- or camera-based collision preparation system0Yes
Forward collision alert200Yes
Total Requested800100%
Total Not Requested00%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Rearview camera200Yes
Voice control for nav and audio100Yes
Traffic information25Yes
Media drive, large15Yes
SD Card slot25Yes
Total Requested965100%
Total Not Requested00%
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%
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 integration100Yes
Total Requested217586%
Total Not Requested35014%
Sport Package AWD
FeatureValueRequested?
Manual thigh support adjuster, driver seat50Yes
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver100Yes
Manual thigh support adjuster, passenger seat50Yes
Metal pedals75No
Steering-wheel-mounted transmission controls100Yes
225/50VR18 tires400No
Total Requested40046%
Total Not Requested47554%

Option Package Details
Audi A8 / S8 S8 Plus

Executive Plus Package
FeatureValueRequested?
Heated second row seats200No
Rear seat pass-through100Yes
Heated steering wheel100No
Ski sack50No
Lane departure prevention, steering-based200No
Radar- or camera-based collision preparation system0Yes
Lane departure warning200No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Forward collision warning200Yes
Total Requested30015%
Total Not Requested165085%

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