Audi A3 / S3 / RS3 Audi A3 / S3 / RS3 2018 Mercedes-Benz SL Mercedes-Benz SL 2017

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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: $50,440

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $39,685

Lowest Total Invoice: $46,984

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $36,898

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182017201720172017
ModelA3 / S3 / RS3SLSLSLSL
TrimA3 2.0 TFSISL450SL550AMG SL63AMG SL65
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $38,350 $86,950 $110,800 $151,350 $219,850
Base Invoice $35,666 $80,864 $103,044 $140,756 $204,461
Prestige Package 8,450        
Sport Package 650        
Carbon fiber rear spoiler 995        
Sport suspension (upgrade) 250        
Metal pedals 195        
Metallic paint (extra cost) 575        
Driver Assistance Package   2,250 2,250 2,250  
Aluminum trim   0 0 0 0
Prestige Package 7,860        
Sport Package 606        
Carbon fiber rear spoiler 926        
Sport suspension (upgrade) 233        
Metal pedals 182        
Metallic paint (extra cost) 536        
Driver Assistance Package   2,093 2,093 2,093  
Aluminum trim   0 0 0 0
Options (change) 11,115 2,250 2,250 2,250 0
Options (change) 10,343 2,093 2,093 2,093 0
Destination 975 925 925 925 925
Gas Tax 0 0 0 0 1,300
Total Price $50,440 $90,125 $113,975 $154,525 $222,075
Total Invoice $46,984 $83,882 $106,062 $143,774 $206,686

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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: $33,235
TrueDelta Adjusted Invoice Difference: $30,895
Model Year20182017201720172017
ModelA3 / S3 / RS3SLSLSLSL
TrimA3 2.0 TFSISL450SL550AMG SL63AMG SL65
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine186hp I4362hp V6449hp V8577hp V8621hp V12
TransmissionS7T9T9T7T7
DrivetrainFWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)625, 13600, 11600, 11600, 11900, 12
Tire (rear if not all the same)225/40-18255/35-19255/35-19255/35-19255/35-19
Total Price$50,440$90,125$113,975$154,525$222,075
Adjustments for Features0-6,450-9,500-15,175-17,375
Feature-Adjusted Total Price$50,440$83,675$104,475$139,350$204,700
Cost Above Minimum$0$0$20,800$55,675$121,025
Total Invoice$46,984$83,882$106,062$143,774$206,686
Adjustments for Features0-6,003-8,840-14,119-16,171
Feature-Adjusted Total Invoice$46,984$77,879$97,222$129,655$190,515
Cost Above Minimum$0$0$19,343$51,776$112,636

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

Model Year20182017201720172017
ModelA3 / S3 / RS3SLSLSLSL
TrimA3 2.0 TFSISL450SL550AMG SL63AMG SL65
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200    
9-speed manually-shiftable automatic $1400$1400  
7-speed manually-shiftable automatic   $1200$1200
FWD$0    
RWD $0$0$0$0
Accessories 
Hands-free trunk or liftgate  $100$100$100
Power door closers    $300
Power rear side windows$200    
Power trunk closer  $350$350$350
Proximity key$250 $250$250$250
Remote window/roof operation $15$15$15$15
Semi-automated parking system  $500$500$500
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, power small $300$300$300$300
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200$200$200$200
Blind spot collision prevention $150$150$150$150
Collision preparation system, rear $100$100$100$100
Cross-traffic detection for collision preparation system $0$0$0$0
Driver drowsiness monitor $150$150$150$150
Lane departure prevention, steering-based$200    
Lane keeping assist $400$400$400$400
Obstacle detection, front$150 $150$150$150
Obstacle detection, rear$250 $250$250$250
Pedestrian detection $50$50$50$50
Rearview camera$200 $200$200$200
Secondary collision brake assist$25    
Side curtain airbags $350$350$350$350
Tires, run-flat $150$150  
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 
Adaptive windshield washer system $0$0$0$0
Heated washer fluid system $50$50$50$50
Heated windshield washer nozzles$15    
Rear air vents$100    
Residual heat $50$50$50$50
Washer fluid outlets in wiper blade $100$100$100$100
Wiper de-icer $25$25$25$25
Drivetrain 
Limited-slip rear differential   $300$300
Engine / Motor 
Automatic start / stop $150$150$150$150
Dual-mode exhaust, switchable $500$500$500$500
Raised top speed limiter   $0$0
Exterior 
Body kit$0    
Carbon fiber rear spoiler$300    
Electronically-variable tint, sunroof or glass roof panel    $2000
Glass roof panel(s) $300$300$300$300
Power convertible top$4000    
Power retractable hardtop $6750$6750$6750$6750
Rear spoiler   $200$200
Infotainment 
4G LTE connectivity$0    
App support $0$0$0$0
CD player $125$125$125$125
Handwriting recognition$200    
iPod integration $100$100$100$100
Navigation map updates, three years $0$0$0$0
SMS text-to-speech reader $25$25$25$25
Telematics service, such as OnStar$200    
Telematics service, such as OnStar, with navigation $225$225$225$225
USB port$25    
Instruments, Lights, and Mirrors 
Analog clock $25$25  
Chronometer   $100$100
Compass$0    
Interior ambient lighting$150    
Interior ambient lighting, configurable $150$150$150$150
Large color reconfigurable instrument cluster display$250    
Mirror tilt-down in reverse $25$25$25$25
Power-folding mirrors$50    
Steering-linked headlights $150$150$150$150
Seats and Interior Trim 
Automatic seat bolsters, driver  $300$300$300
Automatic seat bolsters, front passenger  $300$300$300
Carbon fiber trim   $200$200
Cooled or ventilated front seats  $300$300$300
Door sill trim plates$100    
Folding second row seats$300    
Illuminated door sill trim plates $200$200$200$200
Leather door panel trim $250$250$250$250
Manual thigh support length adjuster, driver seat$50    
Manual thigh support length adjuster, passenger seat$50    
Massage, driver seat  $100$100$100
Massage, passenger seat  $100$100$100
Memory system, driver seat $200$200$200$200
Memory system, passenger seat $150$150$150$150
Neck-level heating, front seats  $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 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
Upholstered instrument panel, leather $1000$1000$1000$1000
Suspension, Wheels, and Tires 
Active curve tilting   $1000$1000
Adaptive dampers - electrical $500$500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable   $4000$4000
Sport suspension (upgrade)$0  $0 
Ultra-sport suspension (upgrade)    $0
Transmission 
Launch control   $100 
Total Value of Features$8,615$15,065$18,115$23,790$25,990
Value of Feature Adjustments$0$6,450$9,500$15,175$17,375
Value of Feature Adjustments0-6,003-8,840-14,119-16,171

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

Model Year20182017
ModelA3 / S3 / RS3SL
Body2dr Convertible2dr Hardtop conv.
Wheelbase102.2 in101.7 in
Length175.4 in182.3 in
Width70.2 in73.9 in
Height55.5 in51.2 in
Curb Weight3,429 lb.3,827 lb.
Fuel Capacity13.2 gal.19.8 gal.
Row 1 Headroom37.4 in39.1 in
Row 1 Shoulder Room54.8 in55.5 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 ft38.5 ft3
Cargo Volume,
Maximum
9.9 ft313.5 ft3

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

Prestige Package
FeatureValueRequested?
Cornering lights50Yes
LED headlights500Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming headlights200Yes
Power-folding mirrors50No
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Lane departure prevention, steering-based200Yes
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 app25Yes
Speed limit information0No
Apple CarPlay support100Yes
Android Auto support100Yes
4G LTE connectivity0No
Auto-dimming rearview mirror150Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Compass0No
Aluminum trim100Yes
Blind spot warning system200Yes
Cross-traffic warning, rear100Yes
Body kit0No
Sport front fascia (optional)0No
Sport rear fascia, e.g. diffuser (optional)0No
Proximity key250Yes
Interior ambient lighting150Yes
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
Traffic + travel information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50Yes
Total Requested489080%
Total Not Requested125020%
Sport Package
FeatureValueRequested?
Manual thigh support length adjuster, driver seat50Yes
Manual thigh support length adjuster, passenger seat50Yes
Front sport buckets100No
Steering-wheel-mounted transmission controls100Yes
Electronic systems calibration selector200Yes
Total Requested40080%
Total Not Requested10020%

Option Package Details
Mercedes-Benz SL SL450

Driver Assistance Package
FeatureValueRequested?
Speed limit information0No
Cross-traffic detection for collision preparation system0No
Rear cross-traffic detection100Yes
Collision preparation system, rear100No
Pedestrian detection50No
Lane keeping assist system400Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Blind spot intervention150No
Total Requested160084%
Total Not Requested30016%

Option Package Details
Mercedes-Benz SL SL550

Driver Assistance Package
FeatureValueRequested?
Speed limit information0No
Cross-traffic detection for collision preparation system0No
Rear cross-traffic detection100Yes
Collision preparation system, rear100No
Pedestrian detection50No
Lane keeping assist system400Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Blind spot intervention150No
Total Requested160084%
Total Not Requested30016%

Option Package Details
Mercedes-Benz SL AMG SL63

Driver Assistance Package
FeatureValueRequested?
Speed limit information0No
Cross-traffic detection for collision preparation system0No
Rear cross-traffic detection100Yes
Collision preparation system, rear100No
Pedestrian detection50No
Lane keeping assist system400Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Blind spot intervention150No
Total Requested160084%
Total Not Requested30016%

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