Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2018 Infiniti Q50 Infiniti Q50 2018

We are 105,000+ car owners sharing real-world car information.

Join Us

Audi A4 / S4 / RS4 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 / RS4 vs. Infiniti Q50 Invoice Comparison

Lowest Total Price: $61,935

Infiniti Q50 3.0t Red Sport   
Difference: $2,050

Lowest Total Invoice: $57,506

Infiniti Q50 3.0t Red Sport   
Difference: $2,072

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182018
ModelA4 / S4 / RS4Q50
TrimS4 3.0T3.0t Red Sport
Body4dr Sedan4dr Sedan
Base Price $51,400 $51,000
Base Invoice $47,802 $47,430
S Sport Package 2,500  
Driver Assistance Package 1,800  
Prestige Package 4,400  
Metallic paint (extra cost) 575  
All-weather floor mats 190 225
Carbon fiber rear spoiler 995 1,500
Active steering 1,150  
Sensory Package   2,650
Illuminated door sill trim plates   465
ProACTIVE Package   2,700
Illuminated grille emblem   400
AWD   2,000
S Sport Package 2,326  
Driver Assistance Package 1,674  
Prestige Package 4,092  
Metallic paint (extra cost) 536  
All-weather floor mats 177 195
Carbon fiber rear spoiler 926 1,299
Active steering 1,070  
Sensory Package   2,465
Illuminated door sill trim plates   391
ProACTIVE Package   2,511
Illuminated grille emblem   360
AWD   1,860
Options (change) 11,610 9,940
Options (change) 10,801 9,081
Destination 975 995
Total Price $63,985 $61,935
Total Invoice $59,578 $57,506

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 Audi A4 / S4 / RS4 dealer quotes or Infiniti Q50 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: Audi A4 / S4 / RS4 vs. Infiniti Q50

Lowest Adjusted Price and Invoice: Audi A4 / S4 / RS4 S4 3.0T
TrueDelta Adjusted Price Difference: $1,500
TrueDelta Adjusted Invoice Difference: $1,233
Model Year20182018
ModelA4 / S4 / RS4Q50
TrimS4 3.0T3.0t Red Sport
Body4dr Sedan4dr Sedan
Engine354hp V6400hp V6
EPA Fuel Economy (city/highway)21/30 MPG19/26 MPG
Audio (watts, speakers)755, 19?, 16
Tire (rear if not all the same)245/40-18245/40-19
Total Price$63,985$61,935
Adjustments for Features-3,5500
Feature-Adjusted Total Price$60,435$61,935
Total Invoice$59,578$57,506
Adjustments for Features-3,3050
Feature-Adjusted Total Invoice$56,273$57,506

Return to top

Features Comparison: Audi A4 / S4 / RS4 vs. Infiniti Q50

Model Year20182018
ModelA4 / S4 / RS4Q50
TrimS4 3.0T3.0t Red Sport
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
7-speed manually-shiftable automatic $1200
Adaptive cruise control, all-speed $850
Adaptive cruise control, all-speed, topography and road sign aware$1100 
Eco accelerator $100
Heated steering wheel $100
Low-speed semi-autonomous driving$100 
Remote start $150
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Automatic braking, low-speed$200 
Backup collision intervention $150
Blind spot collision prevention $150
Collision preparation system, rear$100 
Driver drowsiness monitor$150 
Evasive maneuver assist$200 
Following distance indicator$25 
Forward collision warning$200 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Moving object detection, front $25
Moving object detection, rear $25
Pedestrian detection$50 
Predictive forward collision warning $250
Rollover sensor$50 
Secondary collision brake assist$25 
Temporary spare tire$150 
Tires, run-flat $150
Turn assist$25 
Vehicle exit assist$25 
Wide-view front camera$150 
Wide-view rear camera$0 
Cargo Management 
Air-conditioned storage compartment$50 
Cargo tray $40
Overhead sunglass holder $25
Rear seat pass-through $100
Climate Control 
Heated windshield washer nozzles$15 
Ionizing air filtration $50
Rear air vents $100
Rear air vents with automatic controls$250 
Active rear differential$500 
Engine / Motor 
Automatic start / stop$150 
Regenerative braking$0 
Body kit$0 
Carbon fiber mirror housings $100
Illuminated grille emblem $0
Laminated front side windows$200 
Self-repairing paint $0
4G LTE connectivity$0 
Android Auto support$100 
App support $0
Apple CarPlay support$100 
CD player $125
CD player, remote$100 
Concierge Services - 1 year subscription $50
DVD-compatible player$0 
Handwriting recognition$200 
In-vehicle Internet$150 
Media drive$15 
SD Card slot$25 
SMS text-to-speech reader $25
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Boost gauge$75 
Fog light, rear$100 
Head-up display (HUD)$350 
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
Large color reconfigurable instrument cluster display$250 
Mirror tilt-down in reverse $25
Power-folding mirrors$50 
Predictive efficiency assist$0 
Road sign information$75 
Steering-linked headlights $150
Seats and Interior Trim 
Massage, driver seat$100 
Massage, passenger seat$100 
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, passenger seat$100 
Synthetic suede door panel trim$250 
Synthetic suede inserts in leather seating surfaces$0 
Upholstered door armrests (optional)$0 
Suspension, Wheels, and Tires 
Active steering$1000 
Active steering, electronic link $1000
Crosswind stabilization $50
Performance steering system (optional) $0
Sport suspension (upgrade)$0 
Wheels, dark finish $0
Launch control$100 
Total Value of Features$10,855$7,305
Value of Feature Adjustments$3,550$0
Value of Feature Adjustments-3,3050

Return to top

Specifications Comparison: Audi A4 / S4 / RS4 vs. Infiniti Q50

Model Year20182018
ModelA4 / S4 / RS4Q50
Body4dr Sedan4dr Sedan

Return to top

Option Package Details
Audi A4 / S4 / RS4 S4 3.0T

S Sport Package
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0Yes
Total Requested50050%
Total Not Requested50050%
Driver Assistance Package
Auto-dimming headlights200Yes
Lane departure warning200Yes
Road sign information75No
Turn assist25No
Lane keeping assist400Yes
Following distance indicator25No
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Total Requested80037%
Total Not Requested137563%
Prestige Package
Head-up display (HUD)350No
Laminated front side windows200No
Around view cameras300Yes
Wide-view front camera150No
Wide-view rear camera0No
Interior ambient lighting, configurable150No
Upholstered door armrests (optional)0No
Large color reconfigurable instrument cluster display250No
Handwriting recognition200No
Remote app25Yes
Speed limit information0No
4G LTE connectivity0No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio75Yes
Media drive15No
Traffic + travel information25Yes
In-vehicle Internet150No
Wi-Fi hotspot50No
Total Requested102540%
Total Not Requested151560%

Option Package Details
Infiniti Q50 3.0t Red Sport

All-weather floor mats
All-weather floor mats75Yes
Cargo tray40No
Total Requested7565%
Total Not Requested4035%
Carbon fiber rear spoiler
Carbon fiber rear spoiler300Yes
Carbon fiber mirror housings100No
Total Requested30075%
Total Not Requested10025%
245/40VR19 tires400No
Total Requested00%
Total Not Requested400100%
Sensory Package
Tilt/telescoping steering wheel, power100No
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Surround sound250Yes
Auto-dimming passenger-side mirror75Yes
Mirror tilt-down in reverse25No
Automatic air recirculation100Yes
Interior ambient lighting150Yes
Ionizing air filtration50No
Bose, 16 speakers (with subwoofer)350No
Total Requested85062%
Total Not Requested52538%
ProACTIVE Package
Steering-linked headlights150No
Auto-dimming headlights200Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Crosswind stabilization50No
Blind spot collision prevention150No
Eco accelerator100No
Active steering, electronic link1000No
Lane keeping assist400Yes
Total Requested150051%
Total Not Requested145049%

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 Sedans, Wagons, and Convertibles.
See TrueDelta's information for all Audi models.