Mercedes-Benz SL Mercedes-Benz SL 2015 Audi A6 / S6 Audi A6 / S6 2020

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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: $87,320

Audi A6 / S6 S6   
Difference: $66,865

Calculate Payments

  Down Payment Interest Rate Term
Model Year201520152020
ModelSLSLA6 / S6
TrimSL63 AMGSL65 AMGS6
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Base Price $148,050 $215,250 $73,900
Driver Assistance Package 2,950   2,000
Night vision 2,260   2,500
Wood trim 0 0  
Comfort Seating Package     1,850
Metallic paint (extra cost)     575
Prestige Package     2,500
Synthetic suede headliner     3,000
Driver Assistance Package 2,744   1,860
Night vision 2,102   2,326
Wood trim 0 0  
Comfort Seating Package     1,722
Metallic paint (extra cost)     536
Prestige Package     2,326
Synthetic suede headliner     2,790
Options (change) 5,210 0 12,425
Options (change) 4,846 0 11,560
Destination 925 925 995
Gas Tax 0 1,300 0
Total Price $154,185 $217,475 $87,320

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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: $59,315
TrueDelta Adjusted Invoice Difference: $123,878
Model Year201520152020
ModelSLSLA6 / S6
TrimSL63 AMGSL65 AMGS6
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Engine577hp V8621hp V12444hp V6 H
TransmissionT7T7T8
DrivetrainRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)600, 11900, 12630, 14
Tire (rear if not all the same)255/35-19255/35-19255/40-20
Total Price$154,185$217,475$87,320
Adjustments for Features-7,550-10,1000
Feature-Adjusted Total Price$146,635$207,375$87,320
Cost Above Minimum$0$60,740$0

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

Model Year201520152020
ModelSLSLA6 / S6
TrimSL63 AMGSL65 AMGS6
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200 
8-speed manually-shiftable automatic  $1300
RWD$0$0 
AWD  $1700
Accessories 
Power door closers $300 
Power rear side windows  $200
Remote app$25$25 
Remote window/roof operation$15$15 
Semi-automated parking system$500$500 
Sunshade, rear, power  $225
Sunshades, second row  $125
Wind blocker, power small$300$300 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0 
Around view cameras  $500
Auto-raising roll bars / headrests$500$500 
Automatic braking, high-speed or partial$200$200 
Blind spot collision prevention$150$150 
Collision preparation system, rear  $100
Driver drowsiness monitor$150$150 
Lane departure prevention$150$150 
Lane departure prevention, steering-based  $200
Pedestrian detection, night  $50
Rearview camera$200$200 
Rollover sensor  $50
Secondary collision brake assist  $25
Temporary spare tire  $150
Torque vectoring, brake-based$100$100 
Wide-view front camera  $150
Wide-view rear camera  $0
Cargo Management 
Air-conditioned storage compartment$50$50 
Cargo net  $40
Rear seat pass-through  $100
Storage compartment under front seat(s)$50$50 
Climate Control 
Adaptive windshield washer system$0$0 
Rear air vents with automatic controls  $250
Rear dual-zone climate control  $125
Wiper de-icer$25$25 
Drivetrain 
Limited-slip rear differential$300$300 
Engine / Motor 
Dual-mode exhaust, switchable  $500
Raised top speed limiter$0$0 
Regenerative braking  $0
Exterior 
Electronically-variable tint, sunroof or glass roof panel $2000 
Glass roof panel(s)$300$300 
Laminated front side windows  $200
Power retractable hardtop$6750$6750 
Rear spoiler$200$200 
Sunroof  $900
Infotainment 
4G LTE connectivity  $0
Android Auto support  $100
App support$0$0 
Apple CarPlay support  $100
Handwriting recognition  $200
iPod integration$100$100 
Navigation map updates, three years$0$0 
SMS text-to-speech reader$25$25 
Telematics service, such as OnStar, with navigation$225$225 
USB port  $25
Wi-Fi hotspot  $50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror  $75
Chronometer$100$100 
Compass  $0
Cornering lights$50$50 
Fog lights$125$125 
Head-up display (HUD)  $350
Headlight washers$50$50 
LED headlights  $1000
Power-folding mirrors  $50
Steering-linked headlights$150$150 
Xenon HID headlights$500$500 
Seats and Interior Trim 
Automatic seat bolsters, driver$300$300 
Automatic seat bolsters, front passenger$300$300 
Center armrest(s), second row  $50
Folding second row seats  $300
Leather headliner $1000 
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 seatback bolsters, driver seat  $100
Power seatback bolsters, passenger seat  $100
Power thigh bolsters, driver seat  $100
Power thigh bolsters, passenger seat  $100
Synthetic suede headliner$650 $650
Upholstered instrument panel, leather$1000$1000 
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000$4000 
Air suspension, auto-leveling and height adjustable  $1000
Transmission 
Launch control$100  
Total Value of Features$18,790$21,340$11,240
Value of Feature Adjustments$7,550$10,100$0
Value of Feature Adjustments-7,025-9,4000

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

Model Year20152020
ModelSLA6 / S6
Body2dr Hardtop conv.4dr Sedan
Wheelbase101.8 in115.1 in
Length181.8 in194.4 in
Width73.9 in74.3 in
Height51.8 in57.4 in
Curb Weight3,936 lb.4,102 lb.
Fuel Capacity19.8 gal.19.3 gal.
Row 1 Headroom39.1 in38.0 in
Row 1 Shoulder Room55.5 in57.8 in
Row 1 Legroom42.9 in41.3 in
Row 2 Headroom0.0 in38.1 in
Row 2 Shoulder Room0.0 in56.5 in
Row 2 Legroom0.0 in37.4 in
Cargo Volume,
Minimum
8.5 ft313.7 ft3
Cargo Volume,
Maximum
13.5 ft313.7 ft3

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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 warning200Yes
Blind spot intervention150No
Total Requested165083%
Total Not Requested35017%

Option Package Details
Audi A6 / S6 S6

Night vision
FeatureValueRequested?
Night vision1750Yes
Pedestrian detection, night50No
Total Requested175097%
Total Not Requested503%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200No
Total Requested150088%
Total Not Requested20012%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support length adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh support length adjuster, passenger seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Memory system, passenger seat150Yes
Massage, driver seat100Yes
Massage, passenger seat100Yes
Total Requested105084%
Total Not Requested20016%
Prestige Package
FeatureValueRequested?
Sunshades, second row125No
Sunshade, rear, power225No
Power trunk closer350Yes
Head-up display (HUD)350No
Around view cameras300No
Wide-view front camera150No
Hands-free trunk or liftgate100Yes
Wide-view rear camera0No
Total Requested45028%
Total Not Requested115072%

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