Audi A3 / S3 / RS3 Audi A3 / S3 / RS3 2018 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: $49,445

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $55,040

Lowest Total Invoice: $46,058

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $51,265

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182008200820082008
ModelA3 / S3 / RS3SLSLSLSL
TrimA3 2.0 TFSISL550SL600SL55 AMGSL65 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $38,350 $95,300 $133,200 $129,300 $187,200
Base Invoice $35,666 $88,629 $123,876 $120,249 $174,096
Prestige Package 8,450        
Sport Package 650        
Sport suspension (upgrade) 250        
Metal pedals 195        
Metallic paint (extra cost) 575        
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
Prestige Package 7,860        
Sport Package 606        
Sport suspension (upgrade) 233        
Metal pedals 182        
Metallic paint (extra cost) 536        
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) 10,120 7,010 3,840 3,840 3,840
Options (change) 9,417 6,519 3,571 3,571 3,571
Destination 975 875 875 875 875
Gas Tax 0 1,300 2,600 2,600 2,600
Total Price $49,445 $104,485 $140,515 $136,615 $194,515
Total Invoice $46,058 $97,323 $130,922 $127,295 $181,142

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

Lowest Adjusted Price and Invoice: Audi A3 / S3 / RS3 A3 2.0 TFSI
TrueDelta Adjusted Price Difference: $49,315
TrueDelta Adjusted Invoice Difference: $45,932
Model Year20182008200820082008
ModelA3 / S3 / RS3SLSLSLSL
TrimA3 2.0 TFSISL550SL600SL55 AMGSL65 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine186hp I4382hp V8510hp V12510hp V8604hp V12
TransmissionS7T7T5T5T5
DrivetrainFWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)625, 13250, 8250, 8250, 8250, 8
Tire (rear if not all the same)225/40-18255/40-18255/40-18255/35-19255/35-19
Total Price$49,445$104,485$140,515$136,615$194,515
Adjustments for Features0-5,725-6,525-5,675-6,625
Feature-Adjusted Total Price$49,445$98,760$133,990$130,940$187,890
Cost Above Minimum$0$0$35,230$32,180$89,130
Total Invoice$46,058$97,323$130,922$127,295$181,142
Adjustments for Features0-5,333-6,080-5,288-6,170
Feature-Adjusted Total Invoice$46,058$91,990$124,842$122,007$174,972
Cost Above Minimum$0$0$32,852$30,017$82,982

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

Model Year20182008200820082008
ModelA3 / S3 / RS3SLSLSLSL
TrimA3 2.0 TFSISL550SL600SL55 AMGSL65 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200    
7-speed manually-shiftable automatic $1200   
5-speed manually-shiftable automatic  $1000$1000$1000
FWD$0    
RWD $0$0$0$0
Accessories 
Adaptive cruise control $600$600$600$600
Adaptive cruise control, all-speed$850    
Power rear side windows$200    
Power trunk closer  $350 $350
Proximity key$250$250$250 $250
Remote app$25    
Remote window/roof operation $15$15$15$15
Tilt/telescoping steering wheel, manual$250    
Tilt/telescoping steering wheel, power $350$350$350$350
Universal garage door opener $100$100$100$100
Wind blocker, small $100$100$100$100
Brakes, Airbags, and Other Safety 
Automatic braking, low-speed$200    
Blind spot warning system$200    
Cross-traffic warning, rear$100    
Forward collision warning$200    
Knee airbag, passenger$75    
Lane departure prevention, steering-based$200    
Lane departure warning$200    
Radar- or camera-based collision preparation system$0    
Rearview camera$200    
Secondary collision brake assist$25    
Temporary spare tire $150$150$150$150
Torque vectoring, brake-based$100    
Cargo Management 
Air-conditioned storage compartment $50$50$50$50
Second-row low console$100    
Storage compartment under front seat(s) $50$50$50$50
Climate Control 
Rear air vents$100    
Residual heat $50$50$50$50
Wiper de-icer $25$25$25$25
Exterior 
Body kit$0  $0$0
Power convertible top$4000    
Power retractable hardtop $6750$6750$6750$6750
Infotainment 
4G LTE connectivity$0    
Android Auto support$100    
Apple CarPlay support$100    
Aux input$50    
Bluetooth audio streaming$25    
CD changer, remote $200$200$200$200
CD player $125$125$125$125
DVD-compatible player$0    
Handwriting recognition$200    
HD radio$50    
In-vehicle Internet$150    
Media drive$15    
SD Card slot$25    
Traffic + travel information$25    
USB port$25    
Wi-Fi hotspot$50    
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200    
Compass$0    
Cornering lights$50$50$50 $50
Fog lights $125$125$125$125
Headlight washers $50$50$50$50
Large color reconfigurable instrument cluster display$250    
LED headlights$1000    
Mirror tilt-down in reverse $25$25$25$25
Power-folding mirrors$50    
Xenon HID headlights $500$500$500$500
Seats and Interior Trim 
Aluminum trim$100    
Cooled or ventilated front seats $300$300 $300
Folding second row seats$300    
Leather door panel trim $250$250$250$250
Leather-wrapped steering wheel$150$150   
Manual thigh support length adjuster, driver seat$50    
Manual thigh support length 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 headrest height adjuster, driver seat $50$50$50$50
Power headrest height adjuster, passenger seat $50$50$50$50
Power recliner, driver seat $100$100$100$100
Power recliner, passenger seat $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
Synthetic suede headliner  $650$650$650
Synthetic suede steering wheel   $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 hydraulic struts, auto-leveling and ht. adjustable $4000$4000$4000$4000
Electronic systems calibration selector$200    
Sport suspension (upgrade)$0  $0$0
Transmission 
Steering-wheel-mounted transmission controls$100  $100$100
Total Value of Features$11,790$17,515$18,315$17,465$18,415
Value of Feature Adjustments$0$5,725$6,525$5,675$6,625
Value of Feature Adjustments0-5,333-6,080-5,288-6,170

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

Model Year20182008
ModelA3 / S3 / RS3SL
Body2dr Convertible2dr Hardtop conv.
Wheelbase102.2 in100.8 in
Length175.4 in178.5 in
Width70.2 in71.5 in
Height55.5 in51.0 in
Curb Weight3,429 lb.4,221 lb.
Fuel Capacity13.2 gal.21.1 gal.
Row 1 Headroom37.4 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 Headroom36.3 in0.0 in
Row 2 Shoulder Room45.7 in0.0 in
Row 2 Legroom31.9 in0.0 in
Cargo Volume,
Minimum
7.1 ft37.3 ft3
Cargo Volume,
Maximum
9.9 ft310.2 ft3

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Option Package Details
Audi A3 / S3 / RS3 A3 2.0 TFSI

Prestige Package
FeatureValueRequested?
Cornering lights50Yes
LED headlights500No
Auto-dimming driver-side mirror75Yes
Auto-dimming headlights200No
Power-folding mirrors50No
Lane departure warning200No
Adaptive cruise control, all-speed700No
Lane departure prevention, steering-based200No
Surround sound250Yes
Large color reconfigurable instrument cluster display250No
Bang & Olufsen, 625W, 13 speakers (with subwoofer)350No
225/40HR18 tires400No
Telematics service, such as OnStar200Yes
Handwriting recognition200No
Remote app25No
Speed limit information0No
Apple CarPlay support100No
Android Auto support100No
4G LTE connectivity0No
Auto-dimming rearview mirror150Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Compass0No
Aluminum trim100No
Blind spot warning system200No
Cross-traffic warning, rear100No
Body kit0Yes
Sport front fascia (optional)0No
Sport rear fascia, e.g. diffuser (optional)0No
Proximity key250Yes
Interior ambient lighting150Yes
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50No
Total Requested222536%
Total Not Requested391564%
Sport Package
FeatureValueRequested?
Manual thigh support length adjuster, driver seat50Yes
Manual thigh support length adjuster, passenger seat50Yes
Front sport buckets100Yes
Steering-wheel-mounted transmission controls100Yes
Electronic systems calibration selector200No
Total Requested30060%
Total Not Requested20040%

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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