Infiniti G Infiniti G 2006 Audi A8 / S8 Audi A8 / S8 2018

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

Join Us

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: $37,750

Infiniti G G35   
Difference: $79,125

Lowest Total Invoice: $34,522

Infiniti G G35   
Difference: $74,241

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062018
ModelGA8 / S8
TrimG35S8 Plus
Body4dr Sedan4dr Sedan
Base Price $31,450 $115,900
Base Invoice $28,930 $107,788
Premium Package B/C 3,500  
Navigation system 1,800  
Satellite radio 350  
Premium Package B/C 3,016  
Navigation system 1,624  
Satellite radio 302  
Options (change) 5,650 0
Options (change) 4,942 0
Destination 650 975
Total Price $37,750 $116,875
Total Invoice $34,522 $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 Infiniti G 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: Infiniti G vs. Audi A8 / S8

Lowest Adjusted Price and Invoice: Infiniti G G35
TrueDelta Adjusted Price Difference: $65,245
TrueDelta Adjusted Invoice Difference: $61,324
Model Year20062018
ModelGA8 / S8
TrimG35S8 Plus
Body4dr Sedan4dr Sedan
Engine280hp V6605hp V8
TransmissionT5T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)200, 7630, 14
Tire (rear if not all the same)215/55-17275/35-21
Total Price$37,750$116,875
Adjustments for Features0-13,880
Feature-Adjusted Total Price$37,750$102,995
Total Invoice$34,522$108,763
Adjustments for Features0-12,917
Feature-Adjusted Total Invoice$34,522$95,846

Return to top

Features Comparison: Infiniti G vs. Audi A8 / S8

Model Year20062018
ModelGA8 / S8
TrimG35S8 Plus
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Active noise reduction $0
Hands-free trunk or liftgate $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
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
Obstacle detection, rear $250
Rear side airbags $300
Rollover sensor $50
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment $50
Overhead sunglass holder$25 
Rear seat pass-through$100 
Climate Control 
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
Bodyside moldings$75 
Laminated front side windows $200
Laminated rear side windows $100
Rear spoiler $200
Infotainment 
Aux input $50
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
Media drive $15
Surround sound $250
Traffic + travel information $25
Voice control for nav and audio $100
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75
Auto-dimming headlights $200
Auto-dimming passenger-side mirror $75
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
Steering-linked headlights $150
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
Manual lumbar adjuster, driver seat$50 
Manual recliner, second row seats$75 
Massage, driver seat $100
Massage, passenger seat $100
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 height adjuster, passenger seat $100
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 tilt 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
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$2,550$16,430
Value of Feature Adjustments$0$13,880
Value of Feature Adjustments0-12,917

Return to top

Specifications Comparison: Infiniti G vs. Audi A8 / S8

Model Year20062018
ModelGA8 / S8
Body4dr Sedan4dr Sedan
Wheelbase112.2 in117.8 in
Length186.9 in202.6 in
Width69.0 in76.7 in
Height57.7 in57.4 in
Curb Weight3,469 lb.4,686 lb.
Fuel Capacity20.0 gal.21.7 gal.
Row 1 Headroom40.1 in37.2 in
Row 1 Shoulder Room56.4 in59.1 in
Row 1 Hip Room52.2 in0.0 in
Row 1 Legroom43.6 in41.4 in
Row 2 Headroom37.9 in38.1 in
Row 2 Shoulder Room55.5 in57.8 in
Row 2 Hip Room54.1 in0.0 in
Row 2 Legroom33.6 in38.7 in
Cargo Volume14.8 ft314.2 ft3

Return to top

Option Package Details
Infiniti G G35

Premium Package B/C
FeatureValueRequested?
Full-size spare tire225No
Proximity key250Yes
Rear air vents100Yes
Manual recliner, second row seats75No
Bose, 200W, 7 speakers (with subwoofer)350No
Sunroof900Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Compass0Yes
Dual-zone climate control125Yes
Tilt/telescoping steering wheel, power100Yes
Total Requested215077%
Total Not Requested65023%

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 Infiniti models.