Infiniti QX Infiniti QX 2008 Audi A8 / S8 Audi A8 / S8 2015

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

Join Us

Infiniti QX 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 QX vs. Audi A8 / S8 Invoice Comparison

Lowest Total Price: $56,195

Infiniti QX QX56   
Difference: $86,030

Lowest Total Invoice: $51,525

Infiniti QX QX56   
Difference: $80,902

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082015
ModelQXA8 / S8
TrimQX56A8 L W12
Body4dr SUV4dr Sedan, ext.
Base Price $52,450 $137,900
Base Invoice $48,180 $128,248
Adaptive cruise control 1,150  
Cargo net 30  
Entertainment system, ceiling-mounted 1,700  
Driver Assistance Package   2,100
Adaptive cruise control 991  
Cargo net 24  
Entertainment system, ceiling-mounted 1,465  
Driver Assistance Package   1,954
Options (change) 2,880 2,100
Options (change) 2,480 1,954
Destination 865 925
Gas Tax 0 1,300
Total Price $56,195 $142,225
Total Invoice $51,525 $132,427

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 QX 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 QX vs. Audi A8 / S8

Lowest Adjusted Price and Invoice: Infiniti QX QX56
TrueDelta Adjusted Price Difference: $75,720
TrueDelta Adjusted Invoice Difference: $71,302
Model Year20082015
ModelQXA8 / S8
TrimQX56A8 L W12
Body4dr SUV4dr Sedan, ext.
Engine320hp V8500hp W12
TransmissionA5T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)?, 12630, 14
Tire (rear if not all the same)275/60-20265/40-20
Total Price$56,195$142,225
Adjustments for Features0-10,310
Feature-Adjusted Total Price$56,195$131,915
Total Invoice$51,525$132,427
Adjustments for Features0-9,600
Feature-Adjusted Total Invoice$51,525$122,827

Return to top

Features Comparison: Infiniti QX vs. Audi A8 / S8

Model Year20082015
ModelQXA8 / S8
TrimQX56A8 L W12
Body4dr SUV4dr Sedan, ext.
Transmission and Drivetrain 
5-speed automatic$900 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Hands-free trunk or liftgate $100
Power door closers $300
Power flip-out rear side windows$125 
Power liftgate$350 
Power trunk closer $350
Power-adjustable pedals$125 
Sunshade, rear, power $225
Sunshades, second row, power $225
Tilt steering wheel, power$200 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, low-speed $200
Blind spot warning system $200
Collision preparation system, rear $100
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure prevention, steering-based $200
Lane departure warning $200
Rear side airbags $300
Rearview camera$200 
Side curtain airbags $350
Side curtain airbags, three rows$500 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment $50
Liftglass or two-piece tailgate$150 
Overhead console storage compartments$100 
Overhead sunglass holder$25 
Rear seat pass-through $100
Removable second-row console$200 
Roof rack$300 
Second-row high console $250
Ski sack $50
Climate Control 
Automatic air recirculation $100
Heated windshield washer nozzles $15
Rain-sensing wipers $175
Rear air vents with automatic controls $250
Rear air vents with manual controls$150 
Rear dual-zone climate control $125
Rear HVAC unit$400 
Rear wiper$175 
Residual heat $50
Variable intermittent wipers$75 
Exterior 
Bodyside cladding$350 
Deep-tinted rear windows$275 
Laminated front side windows $200
Laminated rear side windows $100
Panoramic sunroof with venting rear panel $1500
Rear bumper protector$40 
Running boards$350 
Sunroof$900 
Tow hook(s), front$40 
Wheel-lip moldings$75 
Infotainment 
Aux input $50
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD changer, remote $200
CD player $125
DVD-compatible player $0
Entertainment system with dual headrest screens $1200
Entertainment system, ceiling-mounted$1000 
Handwriting recognition $200
HD radio $50
Satellite radio $200
Satellite radio - three year subscription$400 
Surround sound $250
Traffic + travel information $25
Traffic information$25 
USB port $25
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200
Cornering lights $50
Fog light, rear $100
Fog lights$125 
Head-up display (HUD) $350
Headlight washers $50
Illuminated vanity mirrors, rear seat $100
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
LED headlights $1000
Mirror tilt-down in reverse $25
Steering-linked headlights $150
Transmission temperature gauge$75 
Xenon HID headlights$500 
Seats and Interior Trim 
Cooled or ventilated front seats $300
Cooled or ventilated second row seats $200
Door sill trim plates$100 
Folding passenger seat$150 
Folding second row seats$300 
Illuminated door sill trim plates $200
Leather door panel trim $250
Leather seating surfaces, third-row seats$200 
Manual lumbar adjuster, passenger seat$50 
Manual recliner, second row seats$75 
Massage, driver seat $100
Massage, passenger seat $100
Massage, second row seats $150
Memory system, passenger seat $150
Memory system, second row seats $150
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power 4-way lumbar adjuster, second row seats $225
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power lumbar adjuster, driver seat$100 
Power recliner, second row seats $150
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
Power-folding third row seats$1000 
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
Alloy wheels $350
Auto-leveling rear shocks$200 
Chrome-plated alloy wheels$850 
Electronic systems calibration selector $200
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$12,230$22,540
Value of Feature Adjustments$0$10,310
Value of Feature Adjustments0-9,600

Return to top

Specifications Comparison: Infiniti QX vs. Audi A8 / S8

Model Year20082015
ModelQXA8 / S8
Body4dr SUV4dr Sedan, ext.
Wheelbase123.2 in122.9 in
Length206.9 in207.4 in
Width78.8 in76.7 in
Height77.0 in57.9 in
Curb Weight5,598 lb.4,465 lb.
Fuel Capacity28.0 gal.21.7 gal.
Row 1 Headroom41.0 in37.2 in
Row 1 Shoulder Room65.1 in59.1 in
Row 1 Hip Room61.3 in0.0 in
Row 1 Legroom41.8 in41.4 in
Row 2 Headroom40.0 in39.1 in
Row 2 Shoulder Room64.5 in57.8 in
Row 2 Hip Room60.1 in0.0 in
Row 2 Legroom41.9 in42.9 in
Row 3 Headroom35.9 in0.0 in
Row 3 Shoulder Room63.7 in0.0 in
Row 3 Hip Room48.8 in0.0 in
Row 3 Legroom32.2 in0.0 in
Cargo Volume,
Minimum
20.0 ft314.2 ft3
Cargo Volume,
Behind R2
61.2 ft314.2 ft3
Cargo Volume,
Maximum
97.1 ft314.2 ft3

Return to top

Option Package Details
Audi A8 / S8 A8 L W12

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Forward collision warning200Yes
Lane departure prevention system, steering-based200No
Total Requested20013%
Total Not Requested130087%

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.