Audi A6 / S6 Audi A6 / S6 2018 Mercedes-Benz SL Mercedes-Benz SL 2017

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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: $80,800

Audi A6 / S6 S6 4.0 TFSI   
Difference: $23,215

Lowest Total Invoice: $75,218

Audi A6 / S6 S6 4.0 TFSI   
Difference: $21,583

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182017201720172017
ModelA6 / S6SLSLSLSL
TrimS6 4.0 TFSISL450SL550AMG SL63AMG SL65
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $71,900 $86,950 $110,800 $151,350 $219,850
Base Invoice $66,868 $80,864 $103,044 $140,756 $204,461
Comfort Seating Package 1,850        
Driver Assistance Package 2,000 2,250 2,250 2,250  
Metallic paint (extra cost) 575        
Synthetic suede headliner 3,000 1,000 1,000    
Carbon fiber trim 500 2,850 2,850    
Premium Package   5,050      
Upgraded leather upholstery   900 900    
Adaptive hydraulic struts, auto-leveling and ht. adjustable   4,090 4,090    
Wood trim       0 0
Comfort Seating Package 1,722        
Driver Assistance Package 1,860 2,093 2,093 2,093  
Metallic paint (extra cost) 536        
Synthetic suede headliner 2,790 930 930    
Carbon fiber trim 467 2,651 2,651    
Premium Package   4,697      
Upgraded leather upholstery   837 837    
Adaptive hydraulic struts, auto-leveling and ht. adjustable   3,804 3,804    
Wood trim       0 0
Options (change) 7,925 16,140 11,090 2,250 0
Options (change) 7,375 15,012 10,315 2,093 0
Destination 975 925 925 925 925
Gas Tax 0 0 0 0 1,300
Total Price $80,800 $104,015 $122,815 $154,525 $222,075
Total Invoice $75,218 $96,801 $114,284 $143,774 $206,686

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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: $11,530
TrueDelta Adjusted Invoice Difference: $10,708
Model Year20182017201720172017
ModelA6 / S6SLSLSLSL
TrimS6 4.0 TFSISL450SL550AMG SL63AMG SL65
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine450hp V8362hp V6449hp V8577hp V8621hp V12
TransmissionS7T9T9T7T7
DrivetrainAWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14600, 11600, 11600, 11900, 12
Tire (rear if not all the same)255/35-20255/35-19255/35-19255/35-19255/35-19
Total Price$80,800$104,015$122,815$154,525$222,075
Adjustments for Features0-11,685-11,685-12,110-14,310
Feature-Adjusted Total Price$80,800$92,330$111,130$142,415$207,765
Cost Above Minimum$0$0$18,800$50,085$115,435
Total Invoice$75,218$96,801$114,284$143,774$206,686
Adjustments for Features0-10,875-10,873-11,267-13,318
Feature-Adjusted Total Invoice$75,218$85,926$103,411$132,507$193,368
Cost Above Minimum$0$0$17,485$46,581$107,442

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

Model Year20182017201720172017
ModelA6 / S6SLSLSLSL
TrimS6 4.0 TFSISL450SL550AMG SL63AMG SL65
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200    
9-speed manually-shiftable automatic $1400$1400  
7-speed manually-shiftable automatic   $1200$1200
AWD$1700    
RWD $0$0$0$0
Accessories 
Hands-free trunk or liftgate $100$100$100$100
Power door closers    $300
Power rear side windows$200    
Power trunk closer $350$350$350$350
Remote app $25$25$25$25
Remote window/roof operation $15$15$15$15
Semi-automated parking system $500$500$500$500
Wind blocker, power small $300$300$300$300
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0$0$0
Auto-raising roll bars / headrests $500$500$500$500
Automatic braking, high-speed or partial $200$200$200$200
Blind spot collision prevention $150$150$150$150
Cross-traffic detection for collision preparation system $0$0$0$0
Cross-traffic warning, rear $100$100$100$100
Driver drowsiness monitor $150$150$150$150
Lane departure prevention, steering-based$200    
Lane keeping assist $400$400$400$400
Pedestrian detection $50$50$50$50
Rollover sensor$50    
Secondary collision brake assist$25    
Temporary spare tire$150    
Tires, run-flat $150$150  
Torque vectoring, brake-based $100$100$100$100
Cargo Management 
Air-conditioned storage compartment $50$50$50$50
Cargo net$40    
Rear seat pass-through$100    
Storage compartment under front seat(s) $50$50$50$50
Climate Control 
Adaptive windshield washer system $0$0$0$0
Heated washer fluid system $50$50$50$50
Heated windshield washer nozzles$15    
Rear air vents with automatic controls$250    
Rear dual-zone climate control$125    
Washer fluid outlets in wiper blade $100$100$100$100
Wiper de-icer $25$25$25$25
Drivetrain 
Limited-slip rear differential   $300$300
Engine / Motor 
Raised top speed limiter   $0$0
Regenerative braking$0    
Exterior 
Electronically-variable tint, sunroof or glass roof panel    $2000
Glass roof panel(s) $300$300$300$300
Laminated front side windows$200    
Power retractable hardtop $6750$6750$6750$6750
Rear spoiler   $200$200
Sunroof$900    
Infotainment 
4G LTE connectivity$0    
App support $0$0$0$0
Handwriting recognition$200    
iPod integration $100$100$100$100
Navigation map updates, three years $0$0$0$0
SMS text-to-speech reader $25$25$25$25
Telematics service, such as OnStar, with navigation $225$225$225$225
USB port$25    
Instruments, Lights, and Mirrors 
Analog clock $25$25  
Auto-dimming passenger-side mirror$75    
Chronometer   $100$100
Compass$0    
Cornering lights $50$50$50$50
Interior ambient lighting$150    
Interior ambient lighting, configurable $150$150$150$150
Power-folding mirrors$50    
Steering-linked headlights $150$150$150$150
Seats and Interior Trim 
Automatic seat bolsters, driver $300$300$300$300
Automatic seat bolsters, front passenger $300$300$300$300
Carbon fiber trim$200$200$200  
Center armrest(s), second row$50    
Folding second row seats$300    
Neck-level heating, front seats $150$150$150$150
No leather in second row $-300$-300$-300$-300
Power headrest height adjuster, driver seat $50$50$50$50
Power headrest height adjuster, passenger seat $50$50$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    
Upholstered instrument panel, leather $1000$1000$1000$1000
Wood trim   $300$300
Suspension, Wheels, and Tires 
Active curve tilting $1000$1000$1000$1000
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000$4000$4000$4000
Air suspension, auto-leveling and height adjustable$1000    
Sport suspension (upgrade)$0  $0 
Ultra-sport suspension (upgrade)    $0
Transmission 
Launch control   $100 
Total Value of Features$7,605$19,290$19,290$19,715$21,915
Value of Feature Adjustments$0$11,685$11,685$12,110$14,310
Value of Feature Adjustments0-10,875-10,873-11,267-13,318

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

Model Year20182017
ModelA6 / S6SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase114.6 in101.7 in
Length194.2 in182.3 in
Width73.8 in73.9 in
Height57.8 in51.2 in
Curb Weight3,804 lb.3,827 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-based200Yes
Total Requested1700100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL450

Adaptive hydraulic struts, auto-leveling and ht. adjustable
FeatureValueRequested?
Adaptive hydraulic struts, auto-leveling and ht. adjustable3500No
Active curve tilting1000No
Total Requested00%
Total Not Requested4500100%
Driver Assistance Package
FeatureValueRequested?
Speed limit information0No
Cross-traffic detection for collision preparation system0No
Rear cross-traffic detection100No
Collision preparation system, rear100Yes
Pedestrian detection50No
Lane keeping assist system400Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Blind spot intervention150No
Total Requested160084%
Total Not Requested30016%
Premium Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Automatic seat bolsters, driver300No
Automatic seat bolsters, front passenger300No
Massage, driver seat100Yes
Massage, passenger seat100Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Power decklid350No
Proximity key250Yes
Neck-level heating, front seats150No
Semi-automated parking system500No
Hands-free trunk or liftgate100No
Total Requested135044%
Total Not Requested170056%

Option Package Details
Mercedes-Benz SL SL550

Adaptive hydraulic struts, auto-leveling and ht. adjustable
FeatureValueRequested?
Adaptive hydraulic struts, auto-leveling and ht. adjustable3500No
Active curve tilting1000No
Total Requested00%
Total Not Requested4500100%
Driver Assistance Package
FeatureValueRequested?
Speed limit information0No
Cross-traffic detection for collision preparation system0No
Rear cross-traffic detection100No
Collision preparation system, rear100Yes
Pedestrian detection50No
Lane keeping assist system400Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Blind spot intervention150No
Total Requested160084%
Total Not Requested30016%

Option Package Details
Mercedes-Benz SL AMG SL63

Driver Assistance Package
FeatureValueRequested?
Speed limit information0No
Cross-traffic detection for collision preparation system0No
Rear cross-traffic detection100No
Collision preparation system, rear100Yes
Pedestrian detection50No
Lane keeping assist system400Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Blind spot intervention150No
Total Requested160084%
Total Not Requested30016%

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