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

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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: $87,275

Audi A6 / S6 S6 4.0 TFSI   
Difference: $66,910

Lowest Total Invoice: $81,234

Audi A6 / S6 S6 4.0 TFSI   
Difference: $62,224

Calculate Payments

  Down Payment Interest Rate Term
Model Year201520152015
ModelA6 / S6SLSL
TrimS6 4.0 TFSISL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Base Price $75,500 $148,050 $215,250
Base Invoice $70,217 $137,687 $200,183
Comfort Seating Package 2,000    
Driver Assistance Package 2,800 2,950  
Metallic paint (extra cost) 550    
Night vision 2,500 2,260  
Synthetic suede headliner 3,000    
Wood trim   0 0
Comfort Seating Package 1,860    
Driver Assistance Package 2,604 2,744  
Metallic paint (extra cost) 511    
Night vision 2,327 2,102  
Synthetic suede headliner 2,790    
Wood trim   0 0
Options (change) 10,850 5,210 0
Options (change) 10,092 4,846 0
Destination 925 925 925
Gas Tax 0 0 1,300
Total Price $87,275 $154,185 $217,475
Total Invoice $81,234 $143,458 $202,408

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

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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: $58,735
TrueDelta Adjusted Invoice Difference: $54,618
Model Year201520152015
ModelA6 / S6SLSL
TrimS6 4.0 TFSISL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Engine420hp V8577hp V8621hp V12
TransmissionS7T7T7
DrivetrainAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14600, 11900, 12
Tire (rear if not all the same)255/40-19255/35-19255/35-19
Total Price$87,275$154,185$217,475
Adjustments for Features0-8,175-10,725
Feature-Adjusted Total Price$87,275$146,010$206,750
Cost Above Minimum$0$0$60,740
Total Invoice$81,234$143,458$202,408
Adjustments for Features0-7,606-9,982
Feature-Adjusted Total Invoice$81,234$135,852$192,426
Cost Above Minimum$0$0$56,574

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

Model Year201520152015
ModelA6 / S6SLSL
TrimS6 4.0 TFSISL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200  
7-speed manually-shiftable automatic $1200$1200
AWD$1700  
RWD $0$0
Accessories 
Hands-free trunk or liftgate $100$100
Power door closers  $300
Power rear side windows$200  
Power trunk closer $350$350
Remote app $25$25
Remote window/roof operation $15$15
Semi-automated parking system $500$500
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
Pedestrian detection, night$50  
Rearview camera $200$200
Rollover sensor$50  
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 
Active rear differential$500  
Limited-slip rear differential $300$300
Engine / Motor 
Automatic start / stop $150$150
Dual-mode exhaust, switchable$500  
Raised top speed limiter $0$0
Regenerative braking$0  
Exterior 
Body kit$0  
Electronically-variable tint, sunroof or glass roof panel  $2000
Glass roof panel(s) $300$300
Power retractable hardtop $6750$6750
Rear spoiler $200$200
Sunroof$900  
Infotainment 
App support $0$0
Handwriting recognition$200  
Navigation map updates, three years $0$0
SD Card slot $25$25
SMS text-to-speech reader $25$25
Telematics service, such as OnStar, with navigation $225$225
Wi-Fi hotspot$50  
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200$200
Auto-dimming passenger-side mirror$75  
Chronometer $100$100
Compass$0  
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 dampers - electrical$500  
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$11,140$19,315$21,865
Value of Feature Adjustments$0$8,175$10,725
Value of Feature Adjustments0-7,606-9,982

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

Model Year20152015
ModelA6 / S6SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase114.7 in101.8 in
Length193.9 in181.8 in
Width73.8 in73.9 in
Height57.8 in51.8 in
Curb Weight3,727 lb.3,936 lb.
Fuel Capacity19.8 gal.19.8 gal.
Row 1 Headroom37.2 in39.1 in
Row 1 Shoulder Room57.5 in55.5 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 ft38.5 ft3
Cargo Volume,
Maximum
14.113.5 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, 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%
Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Lane departure prevention system150Yes
Around view cameras300No
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Wide-view front camera150No
Wide-view rear camera0No
Total Requested145076%
Total Not Requested45024%

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%

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