Audi A3 Audi A3 2008 Mercedes-Benz SL Mercedes-Benz SL 2018

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Audi A3 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 vs. Mercedes-Benz SL Invoice Comparison

Lowest Total Price: $33,890

Audi A3 2.0T   
Difference: $55,305

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820082018201820182018
ModelA3A3SLSLSLSL
Trim2.0T3.2 S lineSL450SL550AMG SL63AMG SL65
Body4dr Hatch4dr Hatch2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $25,930 $34,915 $88,200 $112,300 $152,850 $222,000
S Line Package 2,500          
Navigation system 1,950 1,950        
Convenience Package 350          
Cold Weather Package 700 700        
Bluetooth cell phone link 435 435        
iPod integration 0 0        
Metallic paint (extra cost) 450 450        
Xenon HID headlights 800 800        
Wood trim         0 0
S Line Package 2,326          
Navigation system 1,813 1,813        
Convenience Package 325          
Cold Weather Package 650 650        
Bluetooth cell phone link 405 405        
iPod integration 0 0        
Metallic paint (extra cost) 418 418        
Xenon HID headlights 745 745        
Wood trim         0 0
Options (change) 7,185 4,335 0 0 0 0
Options (change) 6,682 4,031 0 0 0 0
Destination 775 775 995 995 995 995
Gas Tax 0 0 0 0 0 1,300
Total Price $33,890 $40,025 $89,195 $113,295 $153,845 $224,295

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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 dealer quotes or Mercedes-Benz SL dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price: Audi A3 2.0T
Lowest Adjusted Invoice: Mercedes-Benz SL SL450
TrueDelta Adjusted Price Difference: $39,455
TrueDelta Adjusted Invoice Difference: $30,754
Model Year200820082018201820182018
ModelA3A3SLSLSLSL
Trim2.0T3.2 S lineSL450SL550AMG SL63AMG SL65
Body4dr Hatch4dr Hatch2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine200hp I4250hp V6362hp V6449hp V8577hp V8621hp V12
TransmissionM6S6T9T9T7T7
DrivetrainFWDAWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)140, 10195, 10600, 11600, 11600, 11900, 12
Tire (rear if not all the same)225/45-17225/45-17255/35-19255/35-19255/35-19255/35-19
Total Price$33,890$40,025$89,195$113,295$153,845$224,295
Adjustments for Features0-2,850-15,850-18,900-24,375-28,475
Feature-Adjusted Total Price$33,890$37,175$73,345$94,395$129,470$195,820
Cost Above Minimum$0$3,285$0$21,050$56,125$122,475

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Features Comparison: Audi A3 vs. Mercedes-Benz SL

Model Year200820082018201820182018
ModelA3A3SLSLSLSL
Trim2.0T3.2 S lineSL450SL550AMG SL63AMG SL65
Body4dr Hatch4dr Hatch2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manual$150     
6-speed automated manual $1100    
9-speed manually-shiftable automatic  $1400$1400  
7-speed manually-shiftable automatic    $1200$1200
FWD$0     
AWD $1700    
RWD  $0$0$0$0
Accessories 
Adaptive cruise control, all-speed     $850
Cruise control$150$150$150$150$150 
Hands-free trunk or liftgate   $100$100$100
Power door closers     $300
Power rear side windows$200$200    
Power trunk closer   $350$350$350
Proximity key   $250$250$250
Remote app  $25$25$25$25
Remote window/roof operation  $15$15$15$15
Semi-automated parking system   $500$500$500
Tilt/telescoping steering wheel, manual$250$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 
Auto-raising roll bars / headrests  $500$500$500$500
Automatic braking, high-speed or partial  $200$200$200$200
Automatic braking, low-speed  $200$200$200$200
Blind spot collision prevention     $150
Blind spot warning system     $200
Brake- or yaw-sensor-initiated collision preparation system  $0$0$0 
Collision preparation system, rear     $100
Cross-traffic detection for collision preparation system     $0
Cross-traffic warning, rear     $100
Driver drowsiness monitor  $150$150$150$150
Forward collision warning  $200$200$200$200
Knee airbag, driver  $75$75$75$75
Knee airbag, passenger  $75$75$75$75
Lane departure warning     $200
Lane keeping assist     $400
Obstacle detection, front   $150$150$150
Obstacle detection, rear   $250$250$250
Pedestrian detection     $50
Radar- or camera-based collision preparation system     $0
Rearview camera   $200$200$200
Temporary spare tire$150$150    
Tires, run-flat  $150$150  
Torque vectoring, brake-based  $100$100$100$100
Cargo Management 
Air-conditioned storage compartment  $50$50$50$50
Cargo cover$75$75    
Cargo net$40$40    
Rear seat pass-through$100$100    
Ski sack$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$15    
Rear wiper$175$175    
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 
Bodyside moldings$75$75    
Electronically-variable tint, sunroof or glass roof panel     $2000
Glass roof panel(s)  $300$300$300$300
Power retractable hardtop  $6750$6750$6750$6750
Rear spoiler$200$200  $200$200
Infotainment 
Android Auto support  $100$100$100$100
App support  $0$0$0$0
Apple CarPlay support  $100$100$100$100
Aux input  $50$50$50$50
Bluetooth audio streaming  $25$25$25$25
CD player  $125$125$125$125
DVD-compatible player  $0$0$0$0
HD radio  $50$50$50$50
In-vehicle Internet  $150$150$150$150
Media drive  $15$15$15$15
MP3-compatible player  $50$50$50$50
Navigation map updates, three years  $0$0$0$0
Satellite radio $200$200$200$200$200
SMS text-to-speech reader  $25$25$25$25
Surround sound  $250$250$250$250
Telematics service, such as OnStar, with navigation  $225$225$225$225
Traffic + travel information  $25$25$25$25
Voice control for nav and audio  $100$100$100$100
Wi-Fi hotspot  $50$50$50$50
Instruments, Lights, and Mirrors 
Analog clock  $25$25  
Auto-dimming driver-side mirror  $75$75$75$75
Auto-dimming headlights  $200$200$200$200
Chronometer    $100$100
Compass$0$0    
Cornering lights  $50$50$50$50
Fog lights$125$125    
Interior ambient lighting, configurable  $150$150$150$150
LED headlights  $1000$1000$1000$1000
Mirror tilt-down in reverse  $25$25$25$25
Steering-linked headlights  $150$150$150$150
Xenon HID headlights$500$500    
Seats and Interior Trim 
Aluminum trim$100$100    
Automatic seat bolsters, driver   $300$300$300
Automatic seat bolsters, front passenger   $300$300$300
Center armrest(s), second row$50$50    
Cooled or ventilated front seats   $300$300$300
Folding second row seats$300$300    
Illuminated door sill trim plates  $200$200$200$200
Leather door panel trim  $250$250$250$250
Manual height adjuster, passenger seat$50$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
Metal pedals  $75$75$75$75
Neck-level heating, front seats   $150$150$150
No leather in second row  $-300$-300$-300$-300
Power 4-way lumbar adjuster, passenger seat  $150$150$150$150
Power fore-aft adjuster, passenger seat  $100$100$100$100
Power headrest height adjuster, driver seat  $50$50$50$50
Power headrest height adjuster, passenger seat  $50$50$50$50
Power height adjuster, passenger 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
Power tilt adjuster, passenger seat  $100$100$100$100
Synthetic suede headliner    $650$650
Upholstered instrument panel, leather  $1000$1000$1000$1000
Wood trim  $300$300$300$300
Suspension, Wheels, and Tires 
Active curve tilting    $1000$1000
Adaptive dampers - electrical  $500$500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable    $4000$4000
Electronic systems calibration selector  $200$200$200$200
Sport suspension (upgrade)$0$0  $0 
Ultra-sport suspension (upgrade)     $0
Transmission 
Launch control    $100 
Total Value of Features$2,755$5,605$18,605$21,655$27,130$31,230
Value of Feature Adjustments$0$2,850$15,850$18,900$24,375$28,475
Value of Feature Adjustments0-2,654-177-166-158-291

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Specifications Comparison: Audi A3 vs. Mercedes-Benz SL

Model Year20082018
ModelA3SL
Body4dr Hatch2dr Hardtop conv.
Wheelbase101.5 in101.7 in
Length168.7 in182.3 in
Width69.5 in73.9 in
Height56.0 in51.2 in
Curb Weight3,264 lb.3,827 lb.
Fuel Capacity15.0 gal.19.8 gal.
Row 1 Headroom38.1 in39.1 in
Row 1 Shoulder Room54.3 in55.5 in
Row 1 Legroom41.2 in42.9 in
Row 2 Headroom36.9 in0.0 in
Row 2 Shoulder Room52.8 in0.0 in
Row 2 Legroom34.8 in0.0 in
Cargo Volume,
Minimum
13.1 ft38.5 ft3
Cargo Volume,
Maximum
54.6 ft313.5 ft3

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Option Package Details
Audi A3 2.0T

S Line Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Rear spoiler200Yes
Front sport buckets100No
Special exterior trim0No
Power 4-way lumbar adjuster, driver seat150Yes
Fog lights125No
Leather-wrapped steering wheel150Yes
Map lights25No
Aluminum trim100No
Steering-wheel-mounted transmission controls100Yes
Leather seating surfaces900Yes
Audio controls on steering wheel125Yes
Illuminated visor mirror, driver40Yes
Illuminated visor mirror, passenger40Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Total Requested230587%
Total Not Requested35013%
Convenience Package
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Compass0No
Total Requested375100%
Total Not Requested00%
Cold Weather Package
FeatureValueRequested?
Heated mirrors25Yes
Heated front seats200Yes
Ski sack50No
Heated windshield washer nozzles15Yes
Total Requested24083%
Total Not Requested5017%

Option Package Details
Audi A3 3.2 S line

Cold Weather Package
FeatureValueRequested?
Heated mirrors25Yes
Heated front seats200Yes
Ski sack50No
Heated windshield washer nozzles15Yes
Total Requested24083%
Total Not Requested5017%

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