Infiniti Q40 Infiniti Q40 2015 Audi A8 / S8 Audi A8 / S8 2018

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Infiniti Q40 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 Q40 vs. Audi A8 / S8 Invoice Comparison

Lowest Total Price: $38,755

Infiniti Q40   
Difference: $78,120

Lowest Total Invoice: $36,106

Infiniti Q40   
Difference: $72,657

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152018
ModelQ40A8 / S8
TrimBaseS8 Plus
Body4dr Sedan4dr Sedan
Base Price $33,950 $115,900
Base Invoice $31,574 $107,788
Navigation Package 2,900  
Sunroof 1,000  
Navigation Package 2,697  
Sunroof 930  
Options (change) 3,900 0
Options (change) 3,627 0
Destination 905 975
Total Price $38,755 $116,875
Total Invoice $36,106 $108,763

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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: Infiniti Q40 vs. Audi A8 / S8

Lowest Adjusted Price and Invoice: Infiniti Q40
TrueDelta Adjusted Price Difference: $63,575
TrueDelta Adjusted Invoice Difference: $59,122
Model Year20152018
ModelQ40A8 / S8
TrimBaseS8 Plus
Body4dr Sedan4dr Sedan
Engine328hp V6605hp V8
TransmissionT7T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)?, 10630, 14
Tire (rear if not all the same)225/55-17275/35-21
Total Price$38,755$116,875
Adjustments for Features0-14,545
Feature-Adjusted Total Price$38,755$102,330
Total Invoice$36,106$108,763
Adjustments for Features0-13,535
Feature-Adjusted Total Invoice$36,106$95,228

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Features Comparison: Infiniti Q40 vs. Audi A8 / S8

Model Year20152018
ModelQ40A8 / S8
TrimBaseS8 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
Hands-free trunk or liftgate $100
Power door closers $300
Power trunk closer $350
Sunshade, rear, power $225
Sunshades, second row, power $225
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
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
Full-size spare tire $225
Knee airbag, driver $75
Knee airbag, passenger $75
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
Cargo net $40
Overhead sunglass holder$25 
Rear seat pass-through$100 
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
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
Rear spoiler $200
Infotainment 
Concierge Services - 4 year subscription$200 
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
Media drive $15
SD Card slot $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
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
Leather door panel trim $250
Manual lumbar adjuster, driver seat$50 
Massage, driver seat $100
Massage, passenger seat $100
Memory system, driver seat $200
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 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
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
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$3,075$17,620
Value of Feature Adjustments$0$14,545
Value of Feature Adjustments0-13,535

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Specifications Comparison: Infiniti Q40 vs. Audi A8 / S8

Model Year20152018
ModelQ40A8 / S8
Body4dr Sedan4dr Sedan
Wheelbase112.2 in117.8 in
Length187.9 in202.6 in
Width69.8 in76.7 in
Height57.2 in57.4 in
Curb Weight3,625 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 Q40

Navigation Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0Yes
Bose, 10 speakers (with subwoofer)350No
Voice control for nav and audio100Yes
Traffic + travel information25Yes
Bluetooth audio streaming25Yes
Total Requested100074%
Total Not Requested35026%

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