Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2008 Mercedes-Benz SL Mercedes-Benz SL 2013

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Audi A4 / S4 / RS4 vs. Mercedes-Benz SL 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. Mercedes-Benz SL Invoice Comparison

Lowest Total Price: $56,100

Audi A4 / S4 / RS4 A4 3.2 Cabriolet   
Difference: $90,605

Lowest Total Invoice: $52,232

Audi A4 / S4 / RS4 A4 3.2 Cabriolet   
Difference: $84,267

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082008200820132013
ModelA4 / S4 / RS4A4 / S4 / RS4A4 / S4 / RS4SLSL
TrimA4 3.2 CabrioletS4 CabrioletRS4 CabrioletSL63 AMGSL65 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Base Price $47,900 $56,775 $81,900 $145,800 $212,240
Base Invoice $44,548 $52,801 $76,168 $135,594 $197,383
Convenience Package 1,800 2,625      
Upgraded leather upholstery 1,000        
Metallic paint (extra cost) 475 475      
Bluetooth cell phone link 500        
iPod integration 0 0 0    
Heated front seats 450        
Navigation system 2,100 1,950      
Obstacle detection, rear 350 350      
Sport suspension (upgrade) 250        
Front sport buckets 500        
Wood trim       0 0
Convenience Package 1,675 2,442      
Upgraded leather upholstery 930        
Metallic paint (extra cost) 443 443      
Bluetooth cell phone link 466        
iPod integration 0 0 0    
Heated front seats 418        
Navigation system 1,953 1,813      
Obstacle detection, rear 325 325      
Sport suspension (upgrade) 233        
Front sport buckets 466        
Wood trim       0 0
Options (change) 7,425 5,400 0 0 0
Options (change) 6,909 5,023 0 0 0
Destination 775 775 775 905 905
Gas Tax 0 1,700 2,100 0 1,300
Total Price $56,100 $64,650 $84,775 $146,705 $214,445
Total Invoice $52,232 $60,299 $79,043 $136,499 $199,588

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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 Mercedes-Benz SL dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A4 / S4 / RS4 vs. Mercedes-Benz SL

Lowest Adjusted Price and Invoice: Audi A4 / S4 / RS4 A4 3.2 Cabriolet
TrueDelta Adjusted Price Difference: $80,825
TrueDelta Adjusted Invoice Difference: $75,168
Model Year20082008200820132013
ModelA4 / S4 / RS4A4 / S4 / RS4A4 / S4 / RS4SLSL
TrimA4 3.2 CabrioletS4 CabrioletRS4 CabrioletSL63 AMGSL65 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Engine255hp V6340hp V8420hp V8530hp V8621hp V12
TransmissionT6M6M6T7T7
DrivetrainAWDAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 9215, 9215, 9600, 14900, 12
Tire (rear if not all the same)235/45-17235/40-18255/35-19255/35-19255/35-19
Total Price$56,100$64,650$84,775$146,705$214,445
Adjustments for Features-1,2500-1,875-11,030-18,930
Feature-Adjusted Total Price$54,850$64,650$82,900$135,675$195,515
Cost Above Minimum$0$9,800$28,050$0$59,840
Total Invoice$52,232$60,299$79,043$136,499$199,588
Adjustments for Features-1,1640-1,748-10,263-17,619
Feature-Adjusted Total Invoice$51,068$60,299$77,295$126,236$181,969
Cost Above Minimum$0$9,231$26,227$0$55,733

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Features Comparison: Audi A4 / S4 / RS4 vs. Mercedes-Benz SL

Model Year20082008200820132013
ModelA4 / S4 / RS4A4 / S4 / RS4A4 / S4 / RS4SLSL
TrimA4 3.2 CabrioletS4 CabrioletRS4 CabrioletSL63 AMGSL65 AMG
Body2dr Convertible2dr Convertible2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100    
6-speed manual $150$150  
7-speed manually-shiftable automatic   $1200$1200
AWD$1700$1700$1700  
RWD   $0$0
Accessories 
Adaptive cruise control, all-speed    $850
Cruise control$150$150$150$150 
Hands-free trunk or liftgate    $100
Power door closers    $300
Power rear side windows$200$200$200  
Power trunk closer    $350
Proximity key    $250
Remote app   $25$25
Remote window/roof operation   $15$15
Semi-automated parking system    $500
Tilt/telescoping steering wheel, manual$250$250$250  
Tilt/telescoping steering wheel, power   $350$350
Wind blocker$300$300$300  
Wind blocker, power small   $300$300
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial    $200
Automatic braking, low-speed    $200
Blind spot collision prevention    $150
Blind spot warning system    $200
Brake- or yaw-sensor-initiated collision preparation system   $0 
Driver drowsiness monitor   $150$150
Forward collision warning    $200
Full-size spare tire$225$225$225  
Lane departure prevention    $150
Lane departure warning    $200
Obstacle detection, front    $150
Obstacle detection, rear$250$250$250 $250
Radar- or camera-based collision preparation system    $0
Rearview camera    $200
Side curtain airbags   $350$350
Torque vectoring, brake-based   $100$100
Cargo Management 
Air-conditioned storage compartment   $50$50
Rear seat pass-through$100$100$100  
Ski sack$50$50$50  
Climate Control 
Adaptive windshield washer system   $0$0
Residual heat   $50$50
Wiper de-icer   $25$25
Drivetrain 
Limited-slip rear differential    $300
Engine / Motor 
Automatic start / stop   $150$150
Exterior 
Body kit  $0  
Bodyside moldings$75$75$75  
Electronically-variable tint, sunroof or glass roof panel    $2000
Glass roof panel(s)   $300$300
Power convertible top$4000$4000$4000  
Power retractable hardtop   $6750$6750
Rear spoiler  $200$200$200
Sunroof  $900  
Infotainment 
App support   $0$0
Aux input   $50$50
Bluetooth audio streaming   $25$25
CD changer, in-dash   $325$325
DVD-compatible player   $0$0
HD radio   $50$50
In-vehicle Internet   $150$150
Media drive   $15$15
Satellite radio $200$200$200$200
SD Card slot$25$25 $25$25
SMS text-to-speech reader   $25$25
Surround sound   $250$250
Telematics service, such as OnStar, with navigation   $225$225
Traffic + travel information   $25$25
Voice control for nav and audio   $100$100
Instruments, Lights, and Mirrors 
Auto-dimming headlights   $200$200
Auto-dimming passenger-side mirror$75$75$75  
Chronometer   $100$100
Compass$0$0$0  
Cornering lights   $50$50
Mirror tilt-down in reverse   $25$25
Power-folding mirrors$50$50$50  
Seats and Interior Trim 
Aluminum trim $100   
Automatic seat bolsters, driver    $300
Automatic seat bolsters, front passenger    $300
Carbon fiber trim  $200  
Center armrest(s), second row$50$50$50  
Cooled or ventilated front seats    $300
Door sill trim plates$100$100$100  
Heated second row seats  $200  
Illuminated door sill trim plates   $200$200
Leather headliner    $1000
Manual height adjuster, driver seat $50$50  
Manual thigh support length adjuster, driver seat $50$50  
Massage, driver seat    $100
Massage, passenger seat    $100
Memory system, passenger seat   $150$150
Metal pedals   $75$75
Neck-level heating, front seats    $150
No leather in second row   $-300$-300
Power fore-aft adjuster, driver seat$100  $100$100
Power headrest height adjuster, driver seat   $50$50
Power headrest height adjuster, passenger seat   $50$50
Power height adjuster, driver seat$100  $100$100
Power recliner, driver seat$100  $100$100
Power thigh support length adjuster, driver seat   $100$100
Power thigh support length adjuster, passenger seat   $100$100
Power tilt adjuster, driver seat$100  $100$100
Synthetic suede headliner   $650 
Upholstered instrument panel, leather   $1000$1000
Wood trim$300  $300$300
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable   $4000$4000
Electronic systems calibration selector   $200$200
Hydraulically cross-linked dampers  $500  
Sport suspension (upgrade)$0  $0$0
Ultra-sport suspension (upgrade) $0$0  
Transmission 
Launch control   $100 
Steering-wheel-mounted transmission controls   $100$100
Total Value of Features$9,400$8,150$10,025$19,180$27,080
Value of Feature Adjustments$1,250$0$1,875$11,030$18,930
Value of Feature Adjustments-1,1640-1,748-10,263-17,619

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Specifications Comparison: Audi A4 / S4 / RS4 vs. Mercedes-Benz SL

Model Year20082013
ModelA4 / S4 / RS4SL
Body2dr Convertible2dr Hardtop conv.
Wheelbase104.3 in101.8 in
Length180.0 in181.8 in
Width70.0 in73.9 in
Height54.8 in51.8 in
Curb Weight3,859 lb.4,002 lb.
Fuel Capacity16.6 gal.19.8 gal.
Row 1 Headroom38.0 in39.1 in
Row 1 Shoulder Room53.0 in55.5 in
Row 1 Legroom41.3 in42.9 in
Row 2 Headroom36.3 in0.0 in
Row 2 Shoulder Room45.1 in0.0 in
Row 2 Legroom32.4 in0.0 in
Cargo Volume,
Minimum
8.9 ft38.5 ft3
Cargo Volume,
Maximum
8.913.5 ft3

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Option Package Details
Audi A4 / S4 / RS4 A4 3.2 Cabriolet

Convenience Package
FeatureValueRequested?
Memory system, driver seat200Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested140092%
Total Not Requested1258%

Option Package Details
Audi A4 / S4 / RS4 S4 Cabriolet

Convenience Package
FeatureValueRequested?
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Bose, 215W, 9 speakers (with subwoofer)350No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested100068%
Total Not Requested47532%

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