Audi A6 / S6 Audi A6 / S6 2018 Mercedes-Benz SL Mercedes-Benz SL 2014

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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: $85,300

Audi A6 / S6 S6 4.0 TFSI   
Difference: $68,135

Lowest Total Invoice: $79,403

Audi A6 / S6 S6 4.0 TFSI   
Difference: $63,357

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820142014
ModelA6 / S6SLSL
TrimS6 4.0 TFSISL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Base Price $71,900 $147,300 $214,500
Base Invoice $66,868 $136,989 $199,485
Comfort Seating Package 1,850    
Driver Assistance Package 2,000 2,950  
Metallic paint (extra cost) 575    
Night vision 2,500 2,260  
Prestige Package 2,500    
Synthetic suede headliner 3,000    
Wood trim   0 0
Comfort Seating Package 1,722    
Driver Assistance Package 1,860 2,744  
Metallic paint (extra cost) 536    
Night vision 2,326 2,102  
Prestige Package 2,326    
Synthetic suede headliner 2,790    
Wood trim   0 0
Options (change) 12,425 5,210 0
Options (change) 11,560 4,846 0
Destination 975 925 925
Gas Tax 0 0 1,300
Total Price $85,300 $153,435 $216,725
Total Invoice $79,403 $142,760 $201,710

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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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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: $60,585
TrueDelta Adjusted Invoice Difference: $56,332
Model Year201820142014
ModelA6 / S6SLSL
TrimS6 4.0 TFSISL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Engine450hp V8530hp V8621hp V12
TransmissionS7T7T7
DrivetrainAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14600, 14900, 12
Tire (rear if not all the same)255/35-20255/35-19255/35-19
Total Price$85,300$153,435$216,725
Adjustments for Features0-7,550-10,400
Feature-Adjusted Total Price$85,300$145,885$206,325
Cost Above Minimum$0$0$60,440
Total Invoice$79,403$142,760$201,710
Adjustments for Features0-7,025-9,679
Feature-Adjusted Total Invoice$79,403$135,735$192,031
Cost Above Minimum$0$0$56,296

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

Model Year201820142014
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 
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
Engine / Motor 
Dual-mode exhaust, switchable$500  
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  
CD changer, in-dash $325$325
CD player$125  
Handwriting recognition$200  
iPod integration $100$100
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$11,265$18,815$21,665
Value of Feature Adjustments$0$7,550$10,400
Value of Feature Adjustments0-7,025-9,679

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

Model Year20182014
ModelA6 / S6SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase114.6 in101.8 in
Length194.2 in181.8 in
Width73.8 in73.9 in
Height57.8 in51.8 in
Curb Weight3,804 lb.4,002 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 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%
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%
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%

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 alert200Yes
Blind spot intervention150No
Total Requested165083%
Total Not Requested35017%

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