Audi A3 / S3 / RS3 Audi A3 / S3 / RS3 2020 Mercedes-Benz SL Mercedes-Benz SL 2008

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Audi A3 / S3 / RS3 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 A3 / S3 / RS3 vs. Mercedes-Benz SL Invoice Comparison

Lowest Total Price: $50,970

Audi A3 / S3 / RS3 S3   
Difference: $53,515

Calculate Payments

  Down Payment Interest Rate Term
Model Year202020202008200820082008
ModelA3 / S3 / RS3A3 / S3 / RS3SLSLSLSL
TrimS3RS 3SL550SL600SL55 AMGSL65 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $43,000 $56,200 $95,300 $133,200 $129,300 $187,200
S Sport Package 1,100          
Prestige Package 5,300          
Metallic paint (extra cost) 575 575        
Technology Package   3,200        
Driver Assistance Package   1,400        
Premium I Package     3,170      
Obstacle detection, rear     1,130 1,130 1,130 1,130
Voice control for nav and audio     510 510 510 510
Adaptive cruise control     2,200 2,200 2,200 2,200
Wood trim         0 0
S Sport Package 1,024          
Prestige Package 4,930          
Metallic paint (extra cost) 536 536        
Technology Package   2,976        
Driver Assistance Package   1,302        
Premium I Package     2,948      
Obstacle detection, rear     1,051 1,051 1,051 1,051
Voice control for nav and audio     474 474 474 474
Adaptive cruise control     2,046 2,046 2,046 2,046
Wood trim         0 0
Options (change) 6,975 5,175 7,010 3,840 3,840 3,840
Options (change) 6,490 4,814 6,519 3,571 3,571 3,571
Destination 995 995 875 875 875 875
Gas Tax 0 0 1,300 2,600 2,600 2,600
Total Price $50,970 $62,370 $104,485 $140,515 $136,615 $194,515

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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 A3 / S3 / RS3 dealer quotes or Mercedes-Benz SL dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A3 / S3 / RS3 vs. Mercedes-Benz SL

Lowest Adjusted Price: Audi A3 / S3 / RS3 S3
Lowest Adjusted Invoice: Audi A3 / S3 / RS3 RS 3
TrueDelta Adjusted Price Difference: $48,265
TrueDelta Adjusted Invoice Difference: $86,531
Model Year202020202008200820082008
ModelA3 / S3 / RS3A3 / S3 / RS3SLSLSLSL
TrimS3RS 3SL550SL600SL55 AMGSL65 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine288hp I4394hp I5382hp V8510hp V12510hp V8604hp V12
TransmissionS7S7T7T5T5T5
DrivetrainAWDAWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)705, 14705, 14250, 8250, 8250, 8250, 8
Tire (rear if not all the same)225/40-18235/35-19255/40-18255/40-18255/35-19255/35-19
Total Price$50,970$62,370$104,485$140,515$136,615$194,515
Adjustments for Features-1000-5,350-6,150-5,300-6,250
Feature-Adjusted Total Price$50,870$62,370$99,135$134,365$131,315$188,265
Cost Above Minimum$0$11,500$0$35,230$32,180$89,130

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Features Comparison: Audi A3 / S3 / RS3 vs. Mercedes-Benz SL

Model Year202020202008200820082008
ModelA3 / S3 / RS3A3 / S3 / RS3SLSLSLSL
TrimS3RS 3SL550SL600SL55 AMGSL65 AMG
Body4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200$1200    
7-speed manually-shiftable automatic  $1200   
5-speed manually-shiftable automatic   $1000$1000$1000
AWD$1700$1700    
RWD  $0$0$0$0
Accessories 
Adaptive cruise control  $600$600$600$600
Adaptive cruise control, all-speed$850$850    
Power rear side windows$200$200    
Power trunk closer   $350 $350
Proximity key$250$250$250$250 $250
Remote app$25$25    
Remote window/roof operation  $15$15$15$15
Tilt/telescoping steering wheel, manual$250$250    
Tilt/telescoping steering wheel, power  $350$350$350$350
Universal garage door opener$100 $100$100$100$100
Wind blocker, small  $100$100$100$100
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests  $500$500$500$500
Automatic braking, low-speed$200$200    
Blind spot warning system$200$200    
Cross-traffic warning, rear$100$100    
Forward collision warning$200$200    
Knee airbag, passenger$75$75    
Lane departure prevention, steering-based$200$200    
Lane departure warning$200$200    
Radar- or camera-based collision preparation system$0$0    
Rearview camera$200$200    
Secondary collision brake assist$25$25    
Side curtain airbags$350$350    
Torque vectoring, brake-based$100$100    
Cargo Management 
Air-conditioned storage compartment  $50$50$50$50
Rear seat pass-through$100$100    
Storage compartment under front seat(s)  $50$50$50$50
Climate Control 
Rear air vents$100$100    
Residual heat  $50$50$50$50
Wiper de-icer  $25$25$25$25
Engine / Motor 
Dual-mode exhaust, switchable$500$500    
Exterior 
Body kit$0$0  $0$0
Painted brake calipers (optional)$0     
Power retractable hardtop  $6750$6750$6750$6750
Rear spoiler$200$200    
Sunroof, large$1100$1100    
Infotainment 
4G LTE connectivity$0$0    
Android Auto support$100$100    
Apple CarPlay support$100$100    
Aux input$50$50    
Bluetooth audio streaming$25$25    
CD changer, remote  $200$200$200$200
CD player  $125$125$125$125
DVD-compatible player$0$0    
Handwriting recognition$200$200    
HD radio$50$50    
In-vehicle Internet$150$150    
Media drive$15$15    
SD Card slot$25$25    
Traffic + travel information$25$25    
USB port$25$25    
Wi-Fi hotspot$50$50    
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200$200    
Boost gauge$75$75    
Compass$0$0    
Cornering lights$50$50$50$50 $50
Fog lights  $125$125$125$125
Headlight washers $50$50$50$50$50
Large color reconfigurable instrument cluster display$250$250    
LED headlights$1000$1000    
Mirror tilt-down in reverse  $25$25$25$25
Performance meter $150    
Power-folding mirrors$50$50    
Xenon HID headlights  $500$500$500$500
Seats and Interior Trim 
Aluminum trim$100$100    
Center armrest(s), second row$50$50    
Cooled or ventilated front seats  $300$300 $300
Door sill trim plates$100 $100$100$100$100
Folding second row seats$300$300    
Illuminated door sill trim plates $200    
Leather door panel trim  $250$250$250$250
Leather-wrapped steering wheel$150 $150   
Manual height adjuster, driver seat $50    
Manual height adjuster, passenger seat $50    
Manual thigh support length adjuster, driver seat$50$50    
Manual thigh support length adjuster, passenger seat$50$50    
Manual tilt adjuster, driver seat $50    
Manual tilt adjuster, passenger seat $50    
Memory system, driver seat  $200$200$200$200
Memory system, passenger seat  $150$150$150$150
No leather in second row  $-300$-300$-300$-300
Power fore-aft adjuster, driver seat  $100$100$100$100
Power fore-aft adjuster, passenger seat$100 $100$100$100$100
Power headrest fore-aft adjuster, driver seat$50     
Power headrest height adjuster, driver seat  $50$50$50$50
Power headrest height adjuster, passenger seat  $50$50$50$50
Power height adjuster, driver seat$100 $100$100$100$100
Power height adjuster, passenger seat$100 $100$100$100$100
Power recliner, driver seat$100 $100$100$100$100
Power recliner, passenger seat$100 $100$100$100$100
Power seatback bolsters, driver seat  $100$100$100$100
Power seatback bolsters, passenger seat  $100$100$100$100
Power thigh support length adjuster, driver seat  $100$100$100$100
Power thigh support length adjuster, passenger seat  $100$100$100$100
Power tilt adjuster, driver seat$100 $100$100$100$100
Power tilt adjuster, passenger seat$100 $100$100$100$100
Synthetic suede door panel trim $250    
Synthetic suede headliner   $650$650$650
Synthetic suede steering wheel $150  $150$150
Upholstered instrument panel, leather  $1000$1000$1000$1000
Wood trim  $300$300$300$300
Wood/leather-wrapped steering wheel   $150  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500    
Adaptive hydraulic struts, auto-leveling and ht. adjustable  $4000$4000$4000$4000
Electronic systems calibration selector$200$200    
Sport suspension (upgrade)$0$0  $0$0
Transmission 
Launch control$100$100    
Steering-wheel-mounted transmission controls$100$100  $100$100
Total Value of Features$13,315$13,215$18,565$19,365$18,515$19,465
Value of Feature Adjustments$100$0$5,350$6,150$5,300$6,250
Value of Feature Adjustments-150-4,983-5,730-4,938-5,820

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Specifications Comparison: Audi A3 / S3 / RS3 vs. Mercedes-Benz SL

Model Year20202008
ModelA3 / S3 / RS3SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase103.8 in100.8 in
Length175.4 in178.5 in
Width70.7 in71.5 in
Height55.7 in51.0 in
Curb Weight3,198 lb.4,221 lb.
Fuel Capacity13.2 gal.21.1 gal.
Row 1 Headroom36.5 in37.7 in
Row 1 Shoulder Room54.8 in54.0 in
Row 1 Hip Room0.0 in53.9 in
Row 1 Legroom41.2 in42.9 in
Row 2 Headroom36.1 in0.0 in
Row 2 Shoulder Room53.0 in0.0 in
Row 2 Legroom35.1 in0.0 in
Cargo Volume,
Minimum
12.3 ft37.3 ft3
Cargo Volume,
Maximum
12.310.2 ft3

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Option Package Details
Audi A3 / S3 / RS3 S3

S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Painted brake calipers (optional)0No
Total Requested500100%
Total Not Requested00%
Prestige Package
FeatureValueRequested?
Universal garage door opener100No
Large color reconfigurable instrument cluster display250No
Surround sound250Yes
Bang & Olufsen, 705W, 14 speakers (with subwoofer)350No
Power-folding mirrors50No
Lane departure warning200No
Adaptive cruise control, all-speed700No
Lane departure prevention, steering-based200No
Auto-dimming driver-side mirror75Yes
Auto-dimming headlights200No
225/40HR18 tires400No
Handwriting recognition200No
Remote app25No
Speed limit information0No
4G LTE connectivity0No
Telematics service, such as OnStar200Yes
Voice control for nav and audio100Yes
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50No
Navigation system600Yes
DVD-compatible player0No
Total Requested122530%
Total Not Requested291570%

Option Package Details
Audi A3 / S3 / RS3 RS 3

Technology Package
FeatureValueRequested?
Performance meter150No
Large color reconfigurable instrument cluster display250No
Surround sound250Yes
Bang & Olufsen, 705W, 14 speakers (with subwoofer)350No
Handwriting recognition200No
Remote app25No
Speed limit information0No
4G LTE connectivity0No
Telematics service, such as OnStar200Yes
Voice control for nav and audio100Yes
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50No
Navigation system600Yes
DVD-compatible player0No
Total Requested115049%
Total Not Requested121551%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200No
Lane departure warning200No
Adaptive cruise control, all-speed700No
Lane departure prevention, steering-based200No
Total Requested00%
Total Not Requested1300100%

Option Package Details
Mercedes-Benz SL SL550

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Premium I Package
FeatureValueRequested?
Cooled or ventilated front seats300No
Cornering lights50Yes
Proximity key250Yes
Power 4-way lumbar adjuster, driver seat50Yes
Power seatback bolsters, driver100No
Power 4-way lumbar adjuster, passenger seat50Yes
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Total Requested50050%
Total Not Requested50050%

Option Package Details
Mercedes-Benz SL SL600

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL55 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL65 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

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