Mercedes-Benz SL Mercedes-Benz SL 2008 Audi A3 / S3 / RS3 Audi A3 / S3 / RS3 2018

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

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

Lowest Total Price: $51,895

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $88,620

Lowest Total Invoice: $48,337

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $82,585

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082018
ModelSLA3 / S3 / RS3
TrimSL600A3 2.0 TFSI
Body2dr Hardtop conv.2dr Convertible
Base Price $133,200 $38,350
Base Invoice $123,876 $35,666
Obstacle detection, rear 1,130  
Voice control for nav and audio 510  
Adaptive cruise control 2,200  
Prestige Package   8,450
Sport Package   650
AWD   2,700
Metal pedals   195
Metallic paint (extra cost)   575
Obstacle detection, rear 1,051  
Voice control for nav and audio 474  
Adaptive cruise control 2,046  
Prestige Package   7,860
Sport Package   606
AWD   2,512
Metal pedals   182
Metallic paint (extra cost)   536
Options (change) 3,840 12,570
Options (change) 3,571 11,696
Destination 875 975
Gas Tax 2,600 0
Total Price $140,515 $51,895
Total Invoice $130,922 $48,337

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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

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Mercedes-Benz SL dealer quotes or Audi A3 / S3 / RS3 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Audi A3 / S3 / RS3 A3 2.0 TFSI
TrueDelta Adjusted Price Difference: $83,695
TrueDelta Adjusted Invoice Difference: $77,996
Model Year20082018
ModelSLA3 / S3 / RS3
TrimSL600A3 2.0 TFSI
Body2dr Hardtop conv.2dr Convertible
Engine510hp V12220hp I4
TransmissionT5S6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)11/18 MPG19/28 MPG
Audio (watts, speakers)250, 8625, 13
Tire (rear if not all the same)255/40-18225/40-18
Total Price$140,515$51,895
Adjustments for Features-4,9250
Feature-Adjusted Total Price$135,590$51,895
Total Invoice$130,922$48,337
Adjustments for Features-4,5890
Feature-Adjusted Total Invoice$126,333$48,337

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

Model Year20082018
ModelSLA3 / S3 / RS3
TrimSL600A3 2.0 TFSI
Body2dr Hardtop conv.2dr Convertible
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
6-speed automated manual $1100
RWD$0 
AWD $1700
Accessories 
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Power rear side windows $200
Power trunk closer$350 
Remote app $25
Remote window/roof operation$15 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Universal garage door opener$100 
Wind blocker, small$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 
Torque vectoring, brake-based $100
Cargo Management 
Air-conditioned storage compartment$50 
Second-row low console $100
Storage compartment under front seat(s)$50 
Climate Control 
Rear air vents $100
Residual heat$50 
Wiper de-icer$25 
Exterior 
Body kit $0
Power convertible top $4000
Power retractable hardtop$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 
CD player$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
Fog lights$125 
Headlight washers$50 
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Mirror tilt-down in reverse$25 
Power-folding mirrors $50
Xenon HID headlights$500 
Seats and Interior Trim 
Aluminum trim $100
Cooled or ventilated front seats$300 
Folding second row seats $300
Leather door panel trim$250 
Leather-wrapped steering wheel $150
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Memory system, driver seat$200 
Memory system, passenger seat$150 
No leather in second row$-300 
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power recliner, driver seat$100 
Power recliner, passenger seat$100 
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Synthetic suede headliner$650 
Upholstered instrument panel, leather$1000 
Wood trim$300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Electronic systems calibration selector $200
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$18,015$13,090
Value of Feature Adjustments$4,925$0
Value of Feature Adjustments-4,5890

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

Model Year20082018
ModelSLA3 / S3 / RS3
Body2dr Hardtop conv.2dr Convertible
Wheelbase100.8 in102.2 in
Length178.5 in175.4 in
Width71.5 in70.2 in
Height51.0 in55.5 in
Curb Weight4,455 lb.3,824 lb.
Fuel Capacity21.1 gal.13.2 gal.
Row 1 Headroom37.7 in37.4 in
Row 1 Shoulder Room54.0 in54.8 in
Row 1 Hip Room53.9 in0.0 in
Row 1 Legroom42.9 in41.2 in
Row 2 Headroom0.0 in36.3 in
Row 2 Shoulder Room0.0 in45.7 in
Row 2 Legroom0.0 in31.9 in
Cargo Volume,
Minimum
7.3 ft37.1 ft3
Cargo Volume,
Maximum
10.2 ft39.9 ft3

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

AWD
FeatureValueRequested?
AWD0Yes
6-speed automated manual0No
turbocharged
2.0L I4
DOHC-4v
220 hp@4500
258 lb-ft@1600
1000No
Total Requested00%
Total Not Requested1000100%
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 kit0No
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 controls100No
Electronic systems calibration selector200No
Total Requested20040%
Total Not Requested30060%

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