Audi A4 / S4 Audi A4 / S4 2006 Infiniti Q40 Infiniti Q40 2015
MENU
1 0 3 4 3 4

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

Join Us

Audi A4 / S4 vs. Infiniti Q40 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 Q40 Invoice Comparison

Lowest Total Price: $40,355

Infiniti Q40   
Difference: $16,315

Lowest Total Invoice: $37,593

Infiniti Q40   
Difference: $14,774

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062015
ModelA4 / S4Q40
TrimS4Base
Body4dr Sedan4dr Sedan
Base Price $46,400 $33,950
Base Invoice $42,758 $31,574
Premium Package 2,900  
6-speed shiftable automatic 1,200  
Metallic paint (extra cost) 450  
Bluetooth cell phone link 500  
Bose 215W 10 speakers 1,000  
Tire-pressure monitor 250  
Navigation system 1,950  
Navigation Package   2,900
Sunroof   1,000
AWD   1,600
Premium Package 2,639  
6-speed shiftable automatic 1,172  
Metallic paint (extra cost) 410  
Bluetooth cell phone link 455  
Bose 215W 10 speakers 910  
Tire-pressure monitor 228  
Navigation system 1,775  
Navigation Package   2,697
Sunroof   930
AWD   1,487
Options (change) 8,250 5,500
Options (change) 7,589 5,114
Destination 720 905
Gas Tax 1,300 0
Total Price $56,670 $40,355
Total Invoice $52,367 $37,593

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 dealer quotes or Infiniti Q40 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 vs. Infiniti Q40

Lowest Adjusted Price and Invoice: Infiniti Q40
TrueDelta Adjusted Price Difference: $15,675
TrueDelta Adjusted Invoice Difference: $14,183
Model Year20062015
ModelA4 / S4Q40
TrimS4Base
Body4dr Sedan4dr Sedan
Engine340hp V8328hp V6
TransmissionT6T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)15/23 MPG18/25 MPG
Audio (watts, speakers)215, 10?, 10
Tire (rear if not all the same)235/40-18225/55-17
Total Price$56,670$40,355
Adjustments for Features-6400
Feature-Adjusted Total Price$56,030$40,355
Total Invoice$52,367$37,593
Adjustments for Features-5910
Feature-Adjusted Total Invoice$51,776$37,593

Return to top

Features Comparison: Audi A4 / S4 vs. Infiniti Q40

Model Year20062015
ModelA4 / S4Q40
TrimS4Base
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
AWD$1700$1700
Accessories 
Proximity key $250
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Rearview camera $200
Cargo Management 
Cargo net$40 
Overhead sunglass holder $25
Rear seat pass-through $100
Climate Control 
Dual-zone climate control$125 
Heated windshield washer nozzles$15 
Rain-sensing wipers$175 
Rear air vents $100
Variable intermittent wipers $75
Exterior 
Bodyside moldings$75 
Rear spoiler$200 
Infotainment 
Aux input $50
Bluetooth audio streaming $25
CD changer, remote$200 
CD player $125
Concierge Services - 4 year subscription $200
DVD-compatible player $0
MP3-compatible player $50
Surround sound $250
Traffic + travel information $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming driver-side mirror$75 
Auto-dimming passenger-side mirror$75 
Fog light, rear$100 
Headlight washers$50 
Power-folding mirrors$50 
Steering-linked headlights$150 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Aluminum trim $100
Folding second row seats$300 
Manual lumbar adjuster, driver seat $50
Manual thigh support length adjuster, driver seat$50 
Memory system, driver seat$200 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Wood trim$300 
Suspension, Wheels, and Tires 
Ultra-sport suspension (upgrade)$0 
Total Value of Features$5,305$4,665
Value of Feature Adjustments$640$0
Value of Feature Adjustments-5910

Return to top

See a complete comparison of Audi A4 / S4 vs. Infiniti Q40 features.

Specifications Comparison: Audi A4 / S4 vs. Infiniti Q40

Model Year20062015
ModelA4 / S4Q40
Body4dr Sedan4dr Sedan
Wheelbase104.3 in112.2 in
Length180.6 in187.9 in
Width69.8 in69.8 in
Height56.2 in57.2 in
Curb Weight3,902 lb.3,821 lb.
Fuel Capacity16.6 gal.20.0 gal.
Row 1 Headroom38.4 in40.5 in
Row 1 Shoulder Room55.1 in55.6 in
Row 1 Hip Room0.0 in55.1 in
Row 1 Legroom41.3 in43.9 in
Row 2 Headroom37.2 in37.7 in
Row 2 Shoulder Room53.4 in55.2 in
Row 2 Hip Room0.0 in53.7 in
Row 2 Legroom34.3 in34.7 in
Cargo Volume13.4 ft313.5 ft3

Return to top

See a complete comparison of Audi A4 / S4 vs. Infiniti Q40 specs.

Option Package Details
Audi A4 / S4 S4

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Sunroof900Yes
Universal garage door opener100Yes
Rain-sensing wipers100No
Automatic headlights125Yes
Steering-linked headlights150No
Alloy wheels, optional design0No
Memory system, driver seat200No
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75No
Compass0Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested147569%
Total Not Requested65031%

Option Package Details
Infiniti Q40

Navigation Package
FeatureValueRequested?
Navigation system600Yes
Surround sound250No
DVD-compatible player0No
Bose, 10 speakers (with subwoofer)350No
Voice control for nav and audio100No
Traffic + travel information25No
Bluetooth audio streaming25No
Total Requested60044%
Total Not Requested75056%

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.