Audi A6 / S6 Audi A6 / S6 2018 Mercedes-Benz SL Mercedes-Benz SL 2012
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Audi A6 / S6 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 A6 / S6 vs. Mercedes-Benz SL Invoice Comparison

Lowest Total Price: $78,300

Audi A6 / S6 S6 4.0 TFSI   
Difference: $67,795

Lowest Total Invoice: $72,891

Audi A6 / S6 S6 4.0 TFSI   
Difference: $63,220

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182012
ModelA6 / S6SL
TrimS6 4.0 TFSISL63 AMG
Body4dr Sedan2dr Hardtop conv.
Base Price $71,900 $140,440
Base Invoice $66,868 $130,609
Comfort Seating Package 1,850  
Metallic paint (extra cost) 575  
Synthetic suede headliner 3,000  
Obstacle detection, rear   1,180
Illuminated door sill trim plates   1,000
Wood trim   0
Comfort Seating Package 1,722  
Metallic paint (extra cost) 536  
Synthetic suede headliner 2,790  
Obstacle detection, rear   1,097
Illuminated door sill trim plates   930
Wood trim   0
Options (change) 5,425 2,180
Options (change) 5,048 2,027
Destination 975 875
Gas Tax 0 2,600
Total Price $78,300 $146,095
Total Invoice $72,891 $136,111

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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

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Audi A6 / S6 dealer quotes or Mercedes-Benz SL dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $62,220
TrueDelta Adjusted Invoice Difference: $58,026
Model Year20182012
ModelA6 / S6SL
TrimS6 4.0 TFSISL63 AMG
Body4dr Sedan2dr Hardtop conv.
Engine450hp V8518hp V8
TransmissionS7T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)16/24 MPG12/19 MPG
Audio (watts, speakers)630, 14510, 10
Tire (rear if not all the same)255/35-20255/35-19
Total Price$78,300$146,095
Adjustments for Features0-5,575
Feature-Adjusted Total Price$78,300$140,520
Total Invoice$72,891$136,111
Adjustments for Features0-5,194
Feature-Adjusted Total Invoice$72,891$130,917

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

Model Year20182012
ModelA6 / S6SL
TrimS6 4.0 TFSISL63 AMG
Body4dr Sedan2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
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 
Secondary collision brake assist$25 
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
Engine / Motor 
Automatic start / stop$150 
Dual-mode exhaust, switchable$500 
Regenerative braking$0 
Exterior 
Body kit $0
Laminated front side windows$200 
Power retractable hardtop $6750
Sunroof$900 
Infotainment 
4G LTE connectivity$0 
Android Auto support$100 
Apple CarPlay support$100 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD player$125 
Handwriting recognition$200 
In-vehicle Internet$150 
iPod integration $100
Telematics service, such as OnStar $200
Traffic + travel information$25 
Traffic information $25
USB port$25 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75 
Compass$0 
Cornering lights $50
Fog lights $125
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 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$10,190$15,765
Value of Feature Adjustments$0$5,575
Value of Feature Adjustments0-5,194

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See a complete comparison of Audi A6 / S6 vs. Mercedes-Benz SL features.

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

Model Year20182012
ModelA6 / S6SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase114.6 in100.8 in
Length194.2 in180.4 in
Width73.8 in71.5 in
Height57.8 in51.1 in
Curb Weight4,398 lb.4,274 lb.
Fuel Capacity19.8 gal.21.1 gal.
Row 1 Headroom37.2 in37.7 in
Row 1 Shoulder Room57.5 in54.0 in
Row 1 Hip Room0.0 in53.9 in
Row 1 Legroom41.3 in42.9 in
Row 2 Headroom37.8 in0.0 in
Row 2 Shoulder Room56.3 in0.0 in
Row 2 Legroom37.4 in0.0 in
Cargo Volume,
Minimum		14.1 ft37.2 ft3
Cargo Volume,
Maximum		14.110.2 ft3

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See a complete comparison of Audi A6 / S6 vs. Mercedes-Benz SL specs.

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

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%

Option Package Details
Mercedes-Benz SL SL63 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

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