Audi A4 / S4 Audi A4 / S4 2006 Infiniti Q50 Infiniti Q50 2018

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Audi A4 / S4 vs. Infiniti Q50 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 A4 / S4 vs. Infiniti Q50 Invoice Comparison

Lowest Total Price: $54,425

Infiniti Q50 3.0t Red Sport   
Difference: $2,595

Lowest Total Invoice: $50,688

Infiniti Q50 3.0t Red Sport   
Difference: $1,998

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062018
ModelA4 / S4Q50
TrimS43.0t Red Sport
Body4dr Sedan4dr Sedan
Base Price $46,400 $51,000
Base Invoice $42,758 $47,430
Premium Package 2,900  
6-speed shiftable automatic 1,200  
Metallic paint (extra cost) 450  
Obstacle detection, rear 350  
Navigation system 1,950  
Bluetooth cell phone link 500  
Bose 215W 10 speakers 1,000  
Tire-pressure monitor 250  
Rear spoiler   430
AWD   2,000
Premium Package 2,639  
6-speed shiftable automatic 1,172  
Metallic paint (extra cost) 410  
Obstacle detection, rear 319  
Navigation system 1,775  
Bluetooth cell phone link 455  
Bose 215W 10 speakers 910  
Tire-pressure monitor 228  
Rear spoiler   403
AWD   1,860
Options (change) 8,600 2,430
Options (change) 7,908 2,263
Destination 720 995
Gas Tax 1,300 0
Total Price $57,020 $54,425
Total Invoice $52,686 $50,688

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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 A4 / S4 vs. Infiniti Q50

Lowest Adjusted Price and Invoice: Infiniti Q50 3.0t Red Sport
TrueDelta Adjusted Price Difference: $6,030
TrueDelta Adjusted Invoice Difference: $5,197
Model Year20062018
ModelA4 / S4Q50
TrimS43.0t Red Sport
Body4dr Sedan4dr Sedan
Engine340hp V8400hp V6
TransmissionT6T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)15/23 MPG19/26 MPG
Audio (watts, speakers)215, 10?, 6
Tire (rear if not all the same)235/40-18245/40-19
Total Price$57,020$54,425
Adjustments for Features0-3,435
Feature-Adjusted Total Price$57,020$50,990
Total Invoice$52,686$50,688
Adjustments for Features0-3,199
Feature-Adjusted Total Invoice$52,686$47,489

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Features Comparison: Audi A4 / S4 vs. Infiniti Q50

Model Year20062018
ModelA4 / S4Q50
TrimS43.0t Red Sport
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
AWD$1700$1700
Accessories 
Heated steering wheel $100
Proximity key $250
Remote app $25
Remote start $150
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, high-speed or partial $200
Backup collision intervention $150
Blind spot warning system $200
Cross-traffic warning, rear $100
Moving object detection, front $25
Moving object detection, rear $25
Obstacle detection, front $150
Predictive forward collision warning $250
Tires, run-flat $150
Torque vectoring, brake-based $100
Cargo Management 
Cargo net$40 
Overhead sunglass holder $25
Rear seat pass-through $100
Climate Control 
Heated windshield washer nozzles$15 
Rear air vents $100
Exterior 
Bodyside moldings$75 
Painted brake calipers (optional) $0
Self-repairing paint $0
Infotainment 
App support $0
Aux input $50
Bluetooth audio streaming $25
CD changer, remote$200 
CD player $125
Concierge Services - 1 year subscription $50
HD radio $50
MP3-compatible player $50
SMS text-to-speech reader $25
Telematics service, such as OnStar $200
Traffic + travel information $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75 
Auto-dimming passenger-side mirror$75 
Compass$0 
Fog light, rear$100 
Headlight washers$50 
LED headlights $1000
Power-folding mirrors$50 
Steering-linked headlights$150 
Xenon HID headlights$500 
Seats and Interior Trim 
Aluminum trim $100
Manual thigh support length adjuster, passenger seat $50
Memory system, driver seat$200 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power lumbar adjuster, driver seat $100
Power seatback bolsters, driver seat $100
Wood trim$300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Electronic systems calibration selector $200
Performance steering system (optional) $0
Ultra-sport suspension (upgrade)$0 
Wheels, dark finish $0
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$4,930$8,365
Value of Feature Adjustments$0$3,435
Value of Feature Adjustments0-3,199

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Specifications Comparison: Audi A4 / S4 vs. Infiniti Q50

Model Year20062018
ModelA4 / S4Q50
Body4dr Sedan4dr Sedan
Wheelbase104.3 in112.2 in
Length180.6 in189.6 in
Width69.8 in71.8 in
Height56.2 in57.2 in
Curb Weight3,902 lb.3,993 lb.
Fuel Capacity16.6 gal.20.0 gal.
Row 1 Headroom38.4 in40.2 in
Row 1 Shoulder Room55.1 in56.7 in
Row 1 Hip Room0.0 in53.2 in
Row 1 Legroom41.3 in44.5 in
Row 2 Headroom37.2 in37.5 in
Row 2 Shoulder Room53.4 in56.1 in
Row 2 Hip Room0.0 in52.5 in
Row 2 Legroom34.3 in35.1 in
Cargo Volume13.4 ft313.2 ft3

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Option Package Details
Audi A4 / S4 S4

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Sunroof900Yes
Universal garage door opener100Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150No
Alloy wheels, optional design0No
Memory system, driver seat200No
Auto-dimming driver-side mirror75No
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Total Requested157574%
Total Not Requested55026%

Option Package Details
Infiniti Q50 3.0t Red Sport

AWD
FeatureValueRequested?
AWD0Yes
245/40VR19 tires400No
Total Requested00%
Total Not Requested400100%

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