Ford Mustang Ford Mustang 2006 Audi A6 / S6 Audi A6 / S6 2008

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Ford Mustang vs. Audi A6 / S6 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.

Ford Mustang vs. Audi A6 / S6 Invoice Comparison

Lowest Total Price: $29,195

Ford Mustang GT Deluxe   
Difference: $29,560

Lowest Total Invoice: $26,749

Ford Mustang GT Deluxe   
Difference: $27,951

Calculate Payments

  Down Payment Interest Rate Term
Model Year200620062008
ModelMustangMustangA6 / S6
TrimGT DeluxeGT PremiumA6 4.2
Body2dr Coupe2dr Coupe4dr Sedan
Base Price $25,140 $26,320 $56,300
Base Invoice $23,126 $24,188 $52,361
Interior Upgrade Package 450 450  
235/50ZR18 825 825  
Leather seating surfaces 695    
Front side airbags 370 370  
5-speed automatic 995 995  
Rear spoiler 0 0  
245/40YR18     1,180
Sport suspension (upgrade)     500
Interior Upgrade Package 392 392  
235/50ZR18 718 718  
Leather seating surfaces 605    
Front side airbags 322 322  
5-speed automatic 866 866  
Rear spoiler 0 0  
245/40YR18     1,098
Sport suspension (upgrade)     466
Options (change) 3,335 2,640 1,680
Options (change) 2,903 2,298 1,564
Destination 720 720 775
Total Price $29,195 $29,680 $58,755
Total Invoice $26,749 $27,206 $54,700

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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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Request free, no-obligation Ford Mustang dealer quotes or Audi A6 / S6 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Ford Mustang vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Ford Mustang GT Deluxe
TrueDelta Adjusted Price Difference: $21,460
TrueDelta Adjusted Invoice Difference: $20,410
Model Year200620062008
ModelMustangMustangA6 / S6
TrimGT DeluxeGT PremiumA6 4.2
Body2dr Coupe2dr Coupe4dr Sedan
Engine300hp V8300hp V8350hp V8
TransmissionA5A5T6
DrivetrainRWDRWDAWD
EPA Fuel Economy (city/highway)17/23 MPG17/23 MPG16/23 MPG
Audio (watts, speakers)80, 4500, 8330, 13
Tire (rear if not all the same)235/50-18235/50-18245/40-18
Total Price$29,195$29,680$58,755
Adjustments for Features0-250-8,100
Feature-Adjusted Total Price$29,195$29,430$50,655
Cost Above Minimum$0$235$0
Total Invoice$26,749$27,206$54,700
Adjustments for Features0-229-7,541
Feature-Adjusted Total Invoice$26,749$26,977$47,159
Cost Above Minimum$0$228$0

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Features Comparison: Ford Mustang vs. Audi A6 / S6

Model Year200620062008
ModelMustangMustangA6 / S6
TrimGT DeluxeGT PremiumA6 4.2
Body2dr Coupe2dr Coupe4dr Sedan
Transmission and Drivetrain 
5-speed automatic$900$900 
6-speed manually-shiftable automatic  $1100
RWD$0$0 
AWD  $1700
Accessories 
Power rear side windows  $200
Tilt steering wheel, manual$150$150 
Tilt/telescoping steering wheel, power  $350
Universal garage door opener  $100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0
Brake assist  $50
Side curtain airbags  $350
Stability control  $400
Tire-pressure monitor  $75
Cargo Management 
Cargo mat  $40
Cargo net  $40
Storage compartment under front seat(s)  $50
Climate Control 
Automatic climate control, front  $200
Dual-zone climate control  $125
Heated windshield washer nozzles  $15
Interior air filter  $0
Rain-sensing wipers  $175
Rear air vents  $100
Residual heat  $50
Variable intermittent wipers$75$75 
Drivetrain 
Limited-slip rear differential$300$300 
Exterior 
Bodyside moldings  $75
Rear spoiler$200$200 
Sunroof  $900
Infotainment 
Audio controls on steering wheel  $125
Bluetooth cell phone link  $100
CD changer, in-dash $325 
CD changer, remote  $200
CD player$125  
MP3-compatible player $50$50
Satellite radio  $200
Surround sound  $250
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75
Auto-dimming passenger-side mirror  $75
Auto-dimming rearview mirror  $150
Automatic headlights  $125
Compass  $0
Fog light, rear  $100
Headlight washers  $50
Heated mirrors  $25
Illuminated visor mirror, driver  $50
Illuminated visor mirror, passenger  $50
Mirror tilt-down in reverse  $25
Outside temperature display  $50
Power-folding mirrors  $50
Steering-linked headlights  $150
Turn signals on or near mirrors  $25
Visor mirror, driver$10$10 
Visor mirror, passenger$10$10 
Xenon HID headlights  $500
Seats and Interior Trim 
Aluminum trim$100$100 
Center armrest(s), second row  $50
Heated front seats  $200
Memory system, driver seat  $200
Power 4-way lumbar adjuster, driver seat  $150
Power 4-way lumbar adjuster, passenger seat  $150
Power fore-aft adjuster, passenger seat  $100
Power height adjuster, passenger seat  $100
Power lumbar adjuster, driver seat$100$100 
Power recliner, driver seat  $100
Power recliner, passenger seat  $100
Power tilt adjuster, passenger seat  $100
Wood trim  $300
Total Value of Features$1,970$2,220$10,070
Value of Feature Adjustments$0$250$8,100
Value of Feature Adjustments0-229-7,541

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Specifications Comparison: Ford Mustang vs. Audi A6 / S6

Model Year20062008
ModelMustangA6 / S6
Body2dr Coupe4dr Sedan
Wheelbase107.1 in111.9 in
Length187.6 in193.5 in
Width73.9 in73.1 in
Height55.4 in57.5 in
Curb Weight3,525 lb.4,145 lb.
Fuel Capacity16.0 gal.21.1 gal.
Row 1 Headroom38.6 in38.7 in
Row 1 Shoulder Room55.4 in57.1 in
Row 1 Hip Room53.6 in0.0 in
Row 1 Legroom42.7 in41.3 in
Row 2 Headroom34.7 in37.8 in
Row 2 Shoulder Room53.4 in55.9 in
Row 2 Hip Room46.8 in0.0 in
Row 2 Legroom30.3 in36.9 in
Cargo Volume13.1 ft315.9 ft3

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Option Package Details
Ford Mustang GT Deluxe

Interior Upgrade Package
FeatureValueRequested?
Trip computer150Yes
Upgraded instruments0No
Aluminum trim100No
Total Requested15060%
Total Not Requested10040%

Option Package Details
Ford Mustang GT Premium

Interior Upgrade Package
FeatureValueRequested?
Trip computer150Yes
Upgraded instruments0No
Aluminum trim100No
Total Requested15060%
Total Not Requested10040%

Option Package Details
Audi A6 / S6 A6 4.2

245/40YR18 tires
FeatureValueRequested?
245/40YR18 tires400No
Chrome-plated alloy wheels500No
Total Requested00%
Total Not Requested900100%

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