Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2008 Ford Mustang Ford Mustang 2018

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Audi A4 / S4 / RS4 vs. Ford Mustang 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. Ford Mustang Invoice Comparison

Lowest Total Price: $43,180

Ford Mustang EcoBoost Premium   
Difference: $41,595

Lowest Total Invoice: $40,885

Ford Mustang EcoBoost Premium   
Difference: $38,158

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820182018
ModelA4 / S4 / RS4MustangMustang
TrimRS4 CabrioletEcoBoost PremiumGT Premium
Body2dr Convertible2dr Convertible2dr Convertible
Base Price $81,900 $36,100 $44,595
Base Invoice $76,168 $34,115 $42,142
iPod integration 0    
Carbon Sport Interior Package   1,195 1,195
Navigation system   795 795
Adaptive dampers - electrical   1,695  
EcoBoost Performance Package   2,495  
Rear spoiler     0
Temporary spare tire     405
iPod integration 0    
Carbon Sport Interior Package   1,135 1,135
Navigation system   755 755
Adaptive dampers - electrical   1,610  
EcoBoost Performance Package   2,370  
Rear spoiler     0
Temporary spare tire     385
Options (change) 0 6,180 2,395
Options (change) 0 5,870 2,275
Destination 775 900 900
Gas Tax 2,100 0 0
Total Price $84,775 $43,180 $47,890
Total Invoice $79,043 $40,885 $45,317

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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 Audi A4 / S4 / RS4 dealer quotes or Ford Mustang dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A4 / S4 / RS4 vs. Ford Mustang

Lowest Adjusted Price and Invoice: Ford Mustang EcoBoost Premium
TrueDelta Adjusted Price Difference: $38,260
TrueDelta Adjusted Invoice Difference: $35,052
Model Year200820182018
ModelA4 / S4 / RS4MustangMustang
TrimRS4 CabrioletEcoBoost PremiumGT Premium
Body2dr Convertible2dr Convertible2dr Convertible
Engine420hp V8310hp I4460hp V8
TransmissionM6M6M6
DrivetrainAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)215, 9?, 9?, 9
Tire (rear if not all the same)255/35-19255/40-19235/50-18
Total Price$84,775$43,180$47,890
Adjustments for Features-3,560-2250
Feature-Adjusted Total Price$81,215$42,955$47,890
Cost Above Minimum$0$0$4,935
Total Invoice$79,043$40,885$45,317
Adjustments for Features-3,319-2130
Feature-Adjusted Total Invoice$75,724$40,672$45,317
Cost Above Minimum$0$0$4,645

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Features Comparison: Audi A4 / S4 / RS4 vs. Ford Mustang

Model Year200820182018
ModelA4 / S4 / RS4MustangMustang
TrimRS4 CabrioletEcoBoost PremiumGT Premium
Body2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manual$150$150$150
AWD$1700  
RWD $0$0
Accessories 
Active noise reduction $0 
Proximity key $250$250
Wind blocker$300  
Brakes, Airbags, and Other Safety 
911 assist $25$25
Active glove box $100$100
Active or whiplash-reducing head restraints, front seats$0  
Auto-raising roll bars / headrests$500  
Full-size spare tire$225  
Knee airbag, passenger$75  
Line lock $50$50
Rearview camera $200$200
Safety key $5$5
Temporary spare tire  $150
Vehicle health reports $0$0
Cargo Management 
Rear seat pass-through$100  
Ski sack$50  
Storage compartment under front seat(s)$50  
Climate Control 
Automatic air recirculation$100  
Heated windshield washer nozzles$15  
Rain-sensing wipers$175  
Variable intermittent wipers $75$75
Drivetrain 
Limited-slip rear differential  $300
Torque-sensing limited-slip rear differential $300 
Exterior 
Active grille shutters $0$0
Body kit$0  
Body kit (gray/black) $0$0
Bodyside moldings$75  
Rear spoiler$200 $200
Sunroof$900  
Infotainment 
Android Auto support $100$100
App support $0$0
Apple CarPlay support $100$100
Bluetooth audio streaming $25$25
CD player $125$125
iPod integration$100  
SMS text-to-speech reader $25$25
Traffic + travel information $25$25
USB port $25$25
Voice control for external devices $0$0
Voice control for nav and audio $100$100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75  
Auto-dimming passenger-side mirror$75  
Boost gauge $75 
Fog light, rear$100  
Headlight washers$50  
Interior ambient lighting$150  
LED headlights, single projector or low beam only $750$750
Performance meter $150$150
Power-folding mirrors$50  
Spotter mirror(s) $50$50
Steering-linked headlights$150  
Xenon HID headlights$500  
Seats and Interior Trim 
Center armrest(s), second row$50  
Cooled or ventilated front seats $300$300
Door sill trim plates$100  
Heated second row seats$200  
Illuminated door sill trim plates $200$200
Leather door panel trim$250  
Manual height adjuster, driver seat$50  
Manual thigh support length adjuster, driver seat$50  
Memory system, driver seat$200  
Metal pedals $75$75
No leather in second row $-300$-300
Power 4-way lumbar adjuster, driver seat$150  
Power 4-way lumbar adjuster, passenger seat$150  
Power fore-aft adjuster, driver seat $100$100
Power height adjuster, driver seat $100$100
Power lumbar adjuster, driver seat $100$100
Power recliner, passenger seat$100  
Power tilt adjuster, driver seat $100$100
Synthetic suede door panel trim $250$250
Synthetic suede inserts in leather seating surfaces $0$0
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500 
Additional powertrain and chassis calibration options $0$0
Alloy wheels$350$350 
Electronic systems calibration selector $200$200
Hydraulically cross-linked dampers$500  
Machined alloy wheels  $350
Performance steering system (optional) $0 
Sport suspension (upgrade) $0 
Ultra-sport suspension (upgrade)$0  
Wheels, dark finish $0 
Total Value of Features$8,015$4,680$4,455
Value of Feature Adjustments$3,560$225$0
Value of Feature Adjustments-3,319-2130

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Specifications Comparison: Audi A4 / S4 / RS4 vs. Ford Mustang

Model Year20082018
ModelA4 / S4 / RS4Mustang
Body2dr Convertible2dr Convertible
Wheelbase104.3 in107.1 in
Length180.0 in188.5 in
Width70.0 in75.4 in
Height54.8 in54.9 in
Curb Weight3,859 lb.3,707 lb.
Fuel Capacity16.6 gal.15.5 gal.
Row 1 Headroom38.0 in37.6 in
Row 1 Shoulder Room53.0 in56.3 in
Row 1 Hip Room0.0 in54.9 in
Row 1 Legroom41.3 in42.7 in
Row 2 Headroom36.3 in35.7 in
Row 2 Shoulder Room45.1 in44.7 in
Row 2 Hip Room0.0 in43.7 in
Row 2 Legroom32.4 in29.2 in
Cargo Volume8.9 ft311.4 ft3

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Option Package Details
Ford Mustang EcoBoost Premium

Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio75No
Traffic + travel information25No
Total Requested60086%
Total Not Requested10014%
Carbon Sport Interior Package
FeatureValueRequested?
Synthetic suede inserts in leather seating surfaces0No
Carbon fiber trim200No
Synthetic suede door panel trim250No
Total Requested00%
Total Not Requested450100%
EcoBoost Performance Package
FeatureValueRequested?
255/40YR19 tires400No
Boost gauge75No
3.55 axle ratioNo
Sport suspension (upgrade)250Yes
Performance braking system (optional)250No
Additional engine cooling0No
Performance steering system (optional)250No
Auxiliary gauges0No
Summer tires (optional)0No
Strut tower brace (optional)0No
Upgraded stability control0No
Wheels, dark finish0No
Torque-sensing limited-slip rear differential0No
Total Requested25020%
Total Not Requested97580%

Option Package Details
Ford Mustang GT Premium

Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio75No
Traffic + travel information25No
Total Requested60086%
Total Not Requested10014%
Carbon Sport Interior Package
FeatureValueRequested?
Synthetic suede inserts in leather seating surfaces0No
Carbon fiber trim200No
Synthetic suede door panel trim250No
Total Requested00%
Total Not Requested450100%

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