Mercedes-Benz SL Mercedes-Benz SL 2015 Audi A6 / S6 Audi A6 / S6 2011

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Mercedes-Benz SL vs. Audi A6 / S6 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 A6 / S6 Invoice Comparison

Lowest Total Price: $78,775

Audi A6 / S6 S6   
Difference: $6,150

Lowest Total Invoice: $73,415

Audi A6 / S6 S6   
Difference: $5,630

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152015201520152011
ModelSLSLSLSLA6 / S6
TrimSL400SL550SL63 AMGSL65 AMGS6
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Base Price $84,000 $106,900 $148,050 $215,250 $76,100
Base Invoice $78,120 $99,417 $137,687 $200,183 $70,774
Wood trim     0 0  
Blind spot warning system         500
Wood trim     0 0  
Blind spot warning system         466
Options (change) 0 0 0 0 500
Options (change) 0 0 0 0 466
Destination 925 925 925 925 875
Gas Tax 0 0 0 1,300 1,300
Total Price $84,925 $107,825 $148,975 $217,475 $78,775
Total Invoice $79,045 $100,342 $138,612 $202,408 $73,415

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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 Mercedes-Benz SL dealer quotes or Audi A6 / S6 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mercedes-Benz SL vs. Audi A6 / S6

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6
TrueDelta Adjusted Price Difference: $750
TrueDelta Adjusted Invoice Difference: $604
Model Year20152015201520152011
ModelSLSLSLSLA6 / S6
TrimSL400SL550SL63 AMGSL65 AMGS6
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Engine329hp V6429hp V8577hp V8621hp V12435hp V10
TransmissionT7T7T7T7T6
DrivetrainRWDRWDRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)600, 11600, 11600, 11900, 12255, 9
Tire (rear if not all the same)255/40-18255/40-18255/35-19255/35-19265/35-19
Total Price$84,925$107,825$148,975$217,475$78,775
Adjustments for Features-5,400-8,450-13,425-19,7250
Feature-Adjusted Total Price$79,525$99,375$135,550$197,750$78,775
Cost Above Minimum$0$19,850$56,025$118,225$0
Total Invoice$79,045$100,342$138,612$202,408$73,415
Adjustments for Features-5,026-7,864-12,491-18,3580
Feature-Adjusted Total Invoice$74,019$92,478$126,121$184,050$73,415
Cost Above Minimum$0$18,459$52,102$110,031$0

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Features Comparison: Mercedes-Benz SL vs. Audi A6 / S6

Model Year20152015201520152011
ModelSLSLSLSLA6 / S6
TrimSL400SL550SL63 AMGSL65 AMGS6
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200$1200$1200 
6-speed manually-shiftable automatic    $1100
RWD$0$0$0$0 
AWD    $1700
Accessories 
Adaptive cruise control, all-speed   $850 
Cruise control$150$150$150 $150
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 app$25$25$25$25 
Remote window/roof operation$15$15$15$15 
Semi-automated parking system $500$500$500 
Sunshade, rear, power    $225
Sunshades, second row    $125
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 
Automatic braking, low-speed   $200 
Blind spot collision prevention   $150 
Blind spot warning system   $200$200
Brake- or yaw-sensor-initiated collision preparation system$0$0$0  
Driver drowsiness monitor$150$150$150$150 
Forward collision warning   $200 
Full-size spare tire    $225
Knee airbag, driver$75$75$75$75 
Knee airbag, passenger$75$75$75$75 
Lane departure prevention   $150 
Lane departure warning   $200 
Night vision   $1750 
Obstacle detection, front $150$150$150 
Obstacle detection, rear $250$250$250$250
Radar- or camera-based collision preparation system   $0 
Rearview camera $200$200$200$200
Tires, run-flat$150$150   
Torque vectoring, brake-based$100$100$100$100 
Cargo Management 
Air-conditioned storage compartment$50$50$50$50 
Cargo net    $40
Rear seat pass-through    $100
Ski sack    $50
Climate Control 
Adaptive windshield washer system$0$0$0$0 
Rear air vents    $100
Wiper de-icer$25$25$25$25 
Drivetrain 
Limited-slip rear differential  $300$300 
Engine / Motor 
Automatic start / stop$150$150$150$150 
Raised top speed limiter  $0$0 
Exterior 
Bodyside cladding    $350
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 
Sunroof    $900
Infotainment 
App support$0$0$0$0 
Bluetooth audio streaming$25$25$25$25 
CD changer, remote    $200
CD player$125$125$125$125 
In-vehicle Internet$150$150$150$150 
Navigation map updates, three years$0$0$0$0 
SD Card slot$25$25$25$25 
SMS text-to-speech reader$25$25$25$25 
Telematics service, such as OnStar, with navigation$225$225$225$225 
Traffic + travel information$25$25$25$25 
Traffic information    $25
Instruments, Lights, and Mirrors 
Analog clock$25$25   
Auto-dimming headlights$200$200$200$200 
Auto-dimming passenger-side mirror    $75
Chronometer  $100$100 
Compass    $0
Seats and Interior Trim 
Automatic seat bolsters, driver $300$300$300 
Automatic seat bolsters, front passenger $300$300$300 
Center armrest(s), second row    $50
Cooled or ventilated front seats $300$300$300 
Door sill trim plates$100$100  $100
Folding second row seats    $300
Heated second row seats    $200
Illuminated door sill trim plates  $200$200 
Leather headliner   $1000 
Manual thigh support length adjuster, driver seat    $50
Massage, driver seat $100$100$100 
Massage, passenger seat $100$100$100 
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 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  
Upholstered instrument panel, leather$1000$1000$1000$1000 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500   
Adaptive hydraulic struts, auto-leveling and ht. adjustable  $4000$4000 
Electronic systems calibration selector  $200$200 
Sport suspension (upgrade)  $0$0$0
Transmission 
Launch control  $100  
Total Value of Features$12,565$15,615$20,590$26,890$7,165
Value of Feature Adjustments$5,400$8,450$13,425$19,725$0
Value of Feature Adjustments-5,026-7,864-12,491-18,3580

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Specifications Comparison: Mercedes-Benz SL vs. Audi A6 / S6

Model Year20152011
ModelSLA6 / S6
Body2dr Hardtop conv.4dr Sedan
Wheelbase101.8 in111.9 in
Length181.8 in193.5 in
Width73.9 in73.0 in
Height51.8 in57.5 in
Curb Weight3,936 lb.4,124 lb.
Fuel Capacity19.8 gal.21.1 gal.
Row 1 Headroom39.1 in38.7 in
Row 1 Shoulder Room55.5 in57.1 in
Row 1 Legroom42.9 in41.3 in
Row 2 Headroom0.0 in37.8 in
Row 2 Shoulder Room0.0 in55.9 in
Row 2 Legroom0.0 in36.9 in
Cargo Volume,
Minimum
8.5 ft315.9 ft3
Cargo Volume,
Maximum
13.5 ft315.9 ft3

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