Audi A3 / S3 / RS3 Audi A3 / S3 / RS3 2018 Mercedes-Benz SL Mercedes-Benz SL 2014

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $100,735

Lowest Total Invoice: $46,984

Audi A3 / S3 / RS3 A3 2.0 TFSI   
Difference: $93,674

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820142014
ModelA3 / S3 / RS3SLSL
TrimA3 2.0 TFSISL63 AMGSL65 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Base Price $38,350 $147,300 $214,500
Base Invoice $35,666 $136,989 $199,485
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   2,950  
Wood trim   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   2,744  
Wood trim   0 0
Options (change) 11,115 2,950 0
Options (change) 10,343 2,744 0
Destination 975 925 925
Gas Tax 0 0 1,300
Total Price $50,440 $151,175 $216,725
Total Invoice $46,984 $140,658 $201,710

Return to top

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

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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: $88,370
TrueDelta Adjusted Invoice Difference: $82,169
Model Year201820142014
ModelA3 / S3 / RS3SLSL
TrimA3 2.0 TFSISL63 AMGSL65 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Engine186hp I4530hp V8621hp V12
TransmissionS7T7T7
DrivetrainFWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)625, 13600, 14900, 12
Tire (rear if not all the same)225/40-18255/35-19255/35-19
Total Price$50,440$151,175$216,725
Adjustments for Features0-12,365-16,965
Feature-Adjusted Total Price$50,440$138,810$199,760
Cost Above Minimum$0$0$60,950
Total Invoice$46,984$140,658$201,710
Adjustments for Features0-11,505-15,790
Feature-Adjusted Total Invoice$46,984$129,153$185,920
Cost Above Minimum$0$0$56,767

Return to top

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

Model Year201820142014
ModelA3 / S3 / RS3SLSL
TrimA3 2.0 TFSISL63 AMGSL65 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200  
7-speed manually-shiftable automatic $1200$1200
FWD$0  
RWD $0$0
Accessories 
Hands-free trunk or liftgate $100$100
Power door closers  $300
Power rear side windows$200  
Power trunk closer $350$350
Remote window/roof operation $15$15
Semi-automated parking system $500$500
Tilt/telescoping steering wheel, manual$250  
Tilt/telescoping steering wheel, power $350$350
Universal garage door opener $100$100
Wind blocker, power small $300$300
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200$200
Blind spot collision prevention $150$150
Cross-traffic warning, rear$100  
Driver drowsiness monitor $150$150
Lane departure prevention $150$150
Lane departure prevention, steering-based$200  
Night vision  $1750
Secondary collision brake assist$25  
Side curtain airbags $350$350
Cargo Management 
Air-conditioned storage compartment $50$50
Second-row low console$100  
Storage compartment under front seat(s) $50$50
Climate Control 
Adaptive windshield washer system $0$0
Rear air vents$100  
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  
Carbon fiber rear spoiler$300  
Electronically-variable tint, sunroof or glass roof panel  $2000
Glass roof panel(s) $300$300
Power convertible top$4000  
Power retractable hardtop $6750$6750
Rear spoiler $200$200
Infotainment 
4G LTE connectivity$0  
Android Auto support$100  
App support $0$0
Apple CarPlay support$100  
CD changer, in-dash $325$325
Handwriting recognition$200  
iPod integration $100$100
SMS text-to-speech reader $25$25
Telematics service, such as OnStar$200  
Telematics service, such as OnStar, with navigation $225$225
USB port$25  
Wi-Fi hotspot$50  
Instruments, Lights, and Mirrors 
Chronometer $100$100
Compass$0  
Fog lights $125$125
Headlight washers $50$50
Large color reconfigurable instrument cluster display$250  
LED headlights$1000  
Mirror tilt-down in reverse $25$25
Power-folding mirrors$50  
Steering-linked headlights $150$150
Xenon HID headlights $500$500
Seats and Interior Trim 
Aluminum trim$100  
Automatic seat bolsters, driver $300$300
Automatic seat bolsters, front passenger $300$300
Cooled or ventilated front seats $300$300
Door sill trim plates$100  
Folding second row seats$300  
Illuminated door sill trim plates $200$200
Leather door panel trim $250$250
Leather headliner  $1000
Manual thigh support length adjuster, driver seat$50  
Manual thigh support length adjuster, passenger seat$50  
Massage, driver seat $100$100
Massage, passenger seat $100$100
Memory system, driver seat $200$200
Memory system, passenger seat $150$150
Neck-level heating, front seats $150$150
No leather in second row $-300$-300
Power headrest height adjuster, driver seat $50$50
Power headrest height adjuster, passenger seat $50$50
Power recliner, driver seat $100$100
Power recliner, passenger seat $100$100
Power thigh support length adjuster, driver seat $100$100
Power thigh support length adjuster, passenger seat $100$100
Synthetic suede headliner $650 
Upholstered instrument panel, leather $1000$1000
Wood trim $300$300
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000$4000
Transmission 
Launch control $100 
Total Value of Features$9,050$21,415$26,015
Value of Feature Adjustments$0$12,365$16,965
Value of Feature Adjustments0-11,505-15,790

Return to top

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

Model Year20182014
ModelA3 / S3 / RS3SL
Body2dr Convertible2dr Hardtop conv.
Wheelbase102.2 in101.8 in
Length175.4 in181.8 in
Width70.2 in73.9 in
Height55.5 in51.8 in
Curb Weight3,429 lb.4,002 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

Return to top

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

Prestige Package
FeatureValueRequested?
Cornering lights50Yes
LED headlights500No
Adaptive cruise control, all-speed700Yes
Lane departure prevention, steering-based200No
Auto-dimming driver-side mirror75Yes
Auto-dimming headlights200Yes
Power-folding mirrors50No
Lane departure warning200Yes
Surround sound250Yes
Large color reconfigurable instrument cluster display250No
Bang & Olufsen, 625W, 13 speakers (with subwoofer)350No
225/40HR18 tires400No
Speed limit information0No
Apple CarPlay support100No
Android Auto support100No
4G LTE connectivity0No
Telematics service, such as OnStar200Yes
Handwriting recognition200No
Remote app25Yes
Aluminum trim100No
Blind spot warning system200Yes
Cross-traffic warning, rear100No
Auto-dimming rearview mirror150Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Compass0No
Body kit0No
Sport front fascia (optional)0No
Sport rear fascia, e.g. diffuser (optional)0No
Proximity key250Yes
Interior ambient lighting150Yes
Media drive15Yes
Traffic + travel information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Total Requested374061%
Total Not Requested240039%
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 selector200Yes
Total Requested500100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL63 AMG

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Lane departure prevention system150Yes
Automatic braking, low-speed200Yes
Automatic braking, high-speed200No
Forward collision alert200Yes
Blind spot intervention150No
Total Requested165083%
Total Not Requested35017%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Hatchbacks, Convertibles, and Sedans.
See TrueDelta's information for all Audi models.