Mercedes-Benz SL Mercedes-Benz SL 2012 Audi A6 / S6 Audi A6 / S6 2015

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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: $81,975

Audi A6 / S6 S6 4.0 TFSI   
Difference: $64,120

Lowest Total Invoice: $76,303

Audi A6 / S6 S6 4.0 TFSI   
Difference: $59,808

Calculate Payments

  Down Payment Interest Rate Term
Model Year20122015
ModelSLA6 / S6
TrimSL63 AMGS6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Base Price $140,440 $75,500
Base Invoice $130,609 $70,217
Obstacle detection, rear 1,180  
Illuminated door sill trim plates 1,000  
Wood trim 0  
Comfort Seating Package   2,000
Metallic paint (extra cost)   550
Synthetic suede headliner   3,000
Obstacle detection, rear 1,097  
Illuminated door sill trim plates 930  
Wood trim 0  
Comfort Seating Package   1,860
Metallic paint (extra cost)   511
Synthetic suede headliner   2,790
Options (change) 2,180 5,550
Options (change) 2,027 5,161
Destination 875 925
Gas Tax 2,600 0
Total Price $146,095 $81,975
Total Invoice $136,111 $76,303

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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 4.0 TFSI
TrueDelta Adjusted Price Difference: $59,420
TrueDelta Adjusted Invoice Difference: $55,429
Model Year20122015
ModelSLA6 / S6
TrimSL63 AMGS6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Engine518hp V8420hp V8
TransmissionT7S7
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)12/19 MPG17/27 MPG
Audio (watts, speakers)510, 10630, 14
Tire (rear if not all the same)255/35-19255/40-19
Total Price$146,095$81,975
Adjustments for Features-4,7000
Feature-Adjusted Total Price$141,395$81,975
Total Invoice$136,111$76,303
Adjustments for Features-4,3790
Feature-Adjusted Total Invoice$131,732$76,303

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

Model Year20122015
ModelSLA6 / S6
TrimSL63 AMGS6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
7-speed automated manual $1200
RWD$0 
AWD $1700
Accessories 
Power rear side windows $200
Power trunk closer$350 
Remote window/roof operation$15 
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Auto-raising roll bars / headrests$500 
Blind spot warning system $200
Collision preparation system, rear $100
Knee airbag, passenger $75
Rearview camera $200
Rollover sensor $50
Side curtain airbags $350
Cargo Management 
Air-conditioned storage compartment$50 
Cargo net $40
Rear seat pass-through $100
Storage compartment under front seat(s)$50 
Climate Control 
Rear air vents with automatic controls $250
Rear dual-zone climate control $125
Wiper de-icer$25 
Drivetrain 
Active rear differential $500
Engine / Motor 
Dual-mode exhaust, switchable $500
Regenerative braking $0
Exterior 
Power retractable hardtop$6750 
Sunroof $900
Infotainment 
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
Handwriting recognition $200
In-vehicle Internet $150
SD Card slot$25 
Telematics service, such as OnStar$200 
Traffic + travel information $25
Traffic information$25 
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror $75
Compass $0
Fog lights$125 
Head-up display (HUD) $350
Headlight washers$50 
LED headlights $1000
Power-folding mirrors $50
Steering-linked headlights$150 
Xenon HID headlights$500 
Seats and Interior Trim 
Center armrest(s), second row $50
Folding second row seats $300
Leather-wrapped steering wheel $150
Neck-level heating, front seats$150 
No leather in second row$-300 
Power headrest height adjuster, driver seat$50 
Power headrest height adjuster, passenger seat$50 
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Synthetic suede steering wheel$150 
Upholstered instrument panel, leather$1000 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Air suspension, auto-leveling and height adjustable $1000
Electronic systems calibration selector $200
Transmission 
Launch control$100 
Total Value of Features$15,640$10,940
Value of Feature Adjustments$4,700$0
Value of Feature Adjustments-4,3790

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

Model Year20122015
ModelSLA6 / S6
Body2dr Hardtop conv.4dr Sedan
Wheelbase100.8 in114.7 in
Length180.4 in193.9 in
Width71.5 in73.8 in
Height51.1 in57.8 in
Curb Weight4,274 lb.4,398 lb.
Fuel Capacity21.1 gal.19.8 gal.
Row 1 Headroom37.7 in37.2 in
Row 1 Shoulder Room54.0 in57.5 in
Row 1 Hip Room53.9 in0.0 in
Row 1 Legroom42.9 in41.3 in
Row 2 Headroom0.0 in37.8 in
Row 2 Shoulder Room0.0 in56.3 in
Row 2 Legroom0.0 in37.4 in
Cargo Volume,
Minimum
7.2 ft314.1 ft3
Cargo Volume,
Maximum
10.2 ft314.1 ft3

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Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Synthetic suede headliner
FeatureValueRequested?
Synthetic suede headliner650Yes
Dark-colored headliner (optional)0No
Total Requested650100%
Total Not Requested00%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh support 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%

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