Mercedes-Benz SL Mercedes-Benz SL 2012 Audi A6 / S6 Audi A6 / S6 2013

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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: $77,720

Audi A6 / S6 S6 4.0 TFSI   
Difference: $70,675

Lowest Total Invoice: $72,346

Audi A6 / S6 S6 4.0 TFSI   
Difference: $65,904

Calculate Payments

  Down Payment Interest Rate Term
Model Year20122013
ModelSLA6 / S6
TrimSL63 AMGS6 4.0 TFSI
Body2dr Hardtop conv.4dr Sedan
Base Price $140,440 $71,900
Base Invoice $130,609 $66,868
Obstacle detection, rear 1,180  
Wood trim 0  
Illuminated door sill trim plates 1,000  
Adaptive cruise control 2,300  
Comfort Seating Package   1,950
Driver Assistance Package   2,500
Metallic paint (extra cost)   475
Obstacle detection, rear 1,097  
Wood trim 0  
Illuminated door sill trim plates 930  
Adaptive cruise control 2,139  
Comfort Seating Package   1,813
Driver Assistance Package   2,327
Metallic paint (extra cost)   443
Options (change) 4,480 4,925
Options (change) 4,166 4,583
Destination 875 895
Gas Tax 2,600 0
Total Price $148,395 $77,720
Total Invoice $138,250 $72,346

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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: $65,025
TrueDelta Adjusted Invoice Difference: $60,640
Model Year20122013
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$148,395$77,720
Adjustments for Features-5,6500
Feature-Adjusted Total Price$142,745$77,720
Total Invoice$138,250$72,346
Adjustments for Features-5,2640
Feature-Adjusted Total Invoice$132,986$72,346

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

Model Year20122013
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 
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
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 
Automatic braking, low-speed $200
Blind spot warning system $200
Collision preparation system, rear $100
Forward collision warning $200
Knee airbag, passenger $75
Radar- or camera-based collision preparation system $0
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 
Headlight washers$50 
Power-folding mirrors $50
Seats and Interior Trim 
Center armrest(s), second row $50
Folding second row seats $300
Leather door panel trim$250 
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 headliner$650 
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$16,490$10,840
Value of Feature Adjustments$5,650$0
Value of Feature Adjustments-5,2640

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

Model Year20122013
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

Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
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%
Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Forward collision alert200No
Power-folding mirrors50No
Blind spot warning system200No
Collision preparation system, rear only100No
Total Requested00%
Total Not Requested1450100%

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