Audi A4 / S4 Audi A4 / S4 2006 BMW Z4 BMW Z4 2014

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Audi A4 / S4 vs. BMW Z4 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. BMW Z4 Invoice Comparison

Lowest Total Price: $51,785

Audi A4 / S4 A4 3.0 Cabriolet   
Difference: $4,340

Lowest Total Invoice: $47,806

Audi A4 / S4 A4 3.0 Cabriolet   
Difference: $4,029

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062006201420142014
ModelA4 / S4A4 / S4Z4Z4Z4
TrimA4 3.0 CabrioletS4 CabrioletsDrive28isDrive35isDrive35is
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $45,490 $54,640 $48,950 $56,950 $65,800
Base Invoice $42,010 $50,256 $45,215 $52,575 $60,715
Premium Package 1,825 1,775      
Metallic paint (extra cost) 450 450 550 550 550
Bluetooth cell phone link 500 500      
Tire-pressure monitor 250 250      
Obstacle detection, rear 350 350 750 750 750
Navigation system 1,950 1,950      
Sport suspension (upgrade) 250        
Bose 215W 9 speakers   1,000      
Audio controls on steering wheel   150      
Technology Package     2,250 2,250 2,250
Wood trim     0   0
Heated front seats     500 500 500
Leather seating surfaces     1,250    
CD changer, remote     600 600 600
Satellite radio - one year subscription     350 350 350
Premium Package 1,661 1,615      
Metallic paint (extra cost) 410 410 500 500 500
Bluetooth cell phone link 455 455      
Tire-pressure monitor 228 228      
Obstacle detection, rear 319 319 685 685 685
Navigation system 1,775 1,775      
Sport suspension (upgrade) 228        
Bose 215W 9 speakers   910      
Audio controls on steering wheel   137      
Technology Package     2,050 2,050 2,050
Wood trim     0   0
Heated front seats     455 455 455
Leather seating surfaces     1,140    
CD changer, remote     545 545 545
Satellite radio - one year subscription     320 320 320
Options (change) 5,575 6,425 6,250 5,000 5,000
Options (change) 5,076 5,849 5,695 4,555 4,555
Destination 720 720 925 925 925
Gas Tax 0 1,700 0 0 0
Total Price $51,785 $63,485 $56,125 $62,875 $71,725
Total Invoice $47,806 $58,525 $51,835 $58,055 $66,195

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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TrueDelta Value Comparison: Audi A4 / S4 vs. BMW Z4

Lowest Adjusted Price and Invoice: Audi A4 / S4 A4 3.0 Cabriolet
TrueDelta Adjusted Price Difference: $3,355
TrueDelta Adjusted Invoice Difference: $3,119
Model Year20062006201420142014
ModelA4 / S4A4 / S4Z4Z4Z4
TrimA4 3.0 CabrioletS4 CabrioletsDrive28isDrive35isDrive35is
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine220hp V6340hp V8240hp I4300hp I6335hp I6
TransmissionT5M6M6M6S7
DrivetrainAWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 9215, 9?, 10?, 10650, 16
Tire (rear if not all the same)235/45-17235/40-18225/45-17225/40-18225/40-18
Total Price$51,785$63,485$56,125$62,875$71,725
Adjustments for Features-6000-1,585-1,685-3,885
Feature-Adjusted Total Price$51,185$63,485$54,540$61,190$67,840
Cost Above Minimum$0$12,300$0$6,650$13,300
Total Invoice$47,806$58,525$51,835$58,055$66,195
Adjustments for Features-5540-1,464-1,556-3,585
Feature-Adjusted Total Invoice$47,252$58,525$50,371$56,499$62,610
Cost Above Minimum$0$11,273$0$6,128$12,239

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Features Comparison: Audi A4 / S4 vs. BMW Z4

Model Year20062006201420142014
ModelA4 / S4A4 / S4Z4Z4Z4
TrimA4 3.0 CabrioletS4 CabrioletsDrive28isDrive35isDrive35is
Body2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000    
6-speed manual $150$150$150 
7-speed automated manual    $1200
AWD$1700$1700   
RWD  $0$0$0
Accessories 
Power rear side windows$200$200   
Proximity key  $250$250$250
Remote app  $25$25$25
Wind blocker$300$300   
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500   
Obstacle detection, front  $150$150$150
Roll bar  $200$200$200
Tires, run-flat  $150$150$150
Climate Control 
Rain-sensing wipers  $175$175$175
Variable intermittent wipers$75$75   
Engine / Motor 
Automatic start / stop  $150$150$150
Raised top speed limiter    $0
Regenerative braking  $0$0$0
Exterior 
Bodyside moldings$75$75   
Power convertible top$4000$4000   
Power retractable hardtop  $6750$6750$6750
Infotainment 
App support  $0$0$0
Aux input  $50$50$50
Bluetooth audio streaming  $25$25$25
CD player  $125$125$125
DVD-compatible player  $0$0$0
HD radio  $50$50$50
Media drive  $15$15$15
MP3-compatible player  $50$50$50
S Voice support  $0$0$0
Satellite radio $200$200$200$200
Siri Eyes Free support  $0$0$0
SMS text-to-speech reader  $25$25$25
Surround sound    $250
Telematics service, such as OnStar  $200$200$200
Text dictation  $50$50$50
Traffic + travel information  $25$25$25
Voice control for external devices  $0$0$0
Voice control for nav and audio  $100$100$100
Instruments, Lights, and Mirrors 
Fog light, rear$100$100   
Headlight washers$50$50   
Illuminated visor mirror, driver$50$50   
Illuminated visor mirror, passenger$50$50   
Steering-linked headlights  $150$150$150
Trip computer$150$150   
Visor mirror, driver  $10$10$10
Visor mirror, passenger  $10$10$10
Seats and Interior Trim 
Aluminum trim   $100 
Center armrest(s), second row$50$50   
Manual thigh support length adjuster, driver seat $50 $50$50
Manual thigh support length adjuster, passenger seat   $50$50
Power seatback bolsters, driver seat   $100$100
Power seatback bolsters, passenger seat   $100$100
Wood trim$300$300$300 $300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical    $500
Electronic systems calibration selector  $200$200$200
Sport suspension (upgrade)$0   $0
Ultra-sport suspension (upgrade) $0   
Transmission 
Launch control    $100
Steering-wheel-mounted transmission controls    $100
Total Value of Features$8,600$8,000$9,585$9,685$11,885
Value of Feature Adjustments$600$0$1,585$1,685$3,885
Value of Feature Adjustments-5540-1,464-1,556-3,585

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Specifications Comparison: Audi A4 / S4 vs. BMW Z4

Model Year20062014
ModelA4 / S4Z4
Body2dr Convertible2dr Hardtop conv.
Wheelbase104.5 in98.3 in
Length180.0 in166.9 in
Width70.0 in70.5 in
Height54.8 in50.8 in
Curb Weight3,683 lb.3,264 lb.
Fuel Capacity16.6 gal.14.5 gal.
Row 1 Headroom38.0 in39.1 in
Row 1 Shoulder Room53.0 in53.3 in
Row 1 Legroom41.3 in42.2 in
Row 2 Headroom36.3 in0.0 in
Row 2 Shoulder Room45.1 in0.0 in
Row 2 Legroom32.4 in0.0 in
Cargo Volume8.9 ft310.9 ft3

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Option Package Details
Audi A4 / S4 A4 3.0 Cabriolet

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Wind blocker300No
Auto-dimming driver-side mirror75Yes
Compass0Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Total Requested147583%
Total Not Requested30017%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Automatic headlights125Yes
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Wind blocker300No
Auto-dimming driver-side mirror75Yes
Compass0Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Total Requested97576%
Total Not Requested30024%

Option Package Details
BMW Z4 sDrive28i

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
Leather seating surfaces
FeatureValueRequested?
Leather seating surfaces900Yes
No leather in second row-300No
Total Requested900150%
Total Not Requested-300-50%
Technology Package
FeatureValueRequested?
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive, large15No
Traffic + travel information25No
Smartphone integration0No
App support0No
Text dictation50No
Siri Eyes Free support0No
S Voice support0No
Total Requested60076%
Total Not Requested19024%

Option Package Details
BMW Z4 sDrive35i

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
Technology Package
FeatureValueRequested?
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive, large15No
Traffic + travel information25No
Smartphone integration0No
App support0No
Text dictation50No
Siri Eyes Free support0No
S Voice support0No
Total Requested60076%
Total Not Requested19024%

Option Package Details
BMW Z4 sDrive35is

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%
Technology Package
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100No
Media drive, large15No
Traffic + travel information25No
Smartphone integration0No
App support0No
Text dictation50No
Siri Eyes Free support0No
S Voice support0No
Total Requested60076%
Total Not Requested19024%

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