Mercedes-Benz SL Mercedes-Benz SL 2017 Audi A8 / S8 Audi A8 / S8 2018

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Mercedes-Benz SL vs. Audi A8 / S8 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 A8 / S8 Invoice Comparison

Lowest Total Price: $142,175

Audi A8 / S8 S8 Plus   
Difference: $23,800

Lowest Total Invoice: $132,293

Audi A8 / S8 S8 Plus   
Difference: $22,131

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172018
ModelSLA8 / S8
TrimAMG SL63S8 Plus
Body2dr Hardtop conv.4dr Sedan
Base Price $151,350 $115,900
Base Invoice $140,756 $107,788
Driver Assistance Package 2,250  
Power door closers 450  
Paint, matte finish 1,300 6,000
Black exterior trim (optional) 750  
Ceramic brake rotors 8,950  
Wood trim 0  
Executive Plus Package   2,800
Dynamic Package   9,000
Black Optic Plus Exterior Package   7,500
Driver Assistance Package 2,093  
Power door closers 419  
Paint, matte finish 1,209 5,580
Black exterior trim (optional) 698  
Ceramic brake rotors 8,324  
Wood trim 0  
Executive Plus Package   2,604
Dynamic Package   8,370
Black Optic Plus Exterior Package   6,976
Options (change) 13,700 25,300
Options (change) 12,743 23,530
Destination 925 975
Total Price $165,975 $142,175
Total Invoice $154,424 $132,293

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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 A8 / S8 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mercedes-Benz SL vs. Audi A8 / S8

Lowest Adjusted Price and Invoice: Audi A8 / S8 S8 Plus
TrueDelta Adjusted Price Difference: $16,405
TrueDelta Adjusted Invoice Difference: $15,251
Model Year20172018
ModelSLA8 / S8
TrimAMG SL63S8 Plus
Body2dr Hardtop conv.4dr Sedan
Engine577hp V8605hp V8
TransmissionT7T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)16/25 MPG14/24 MPG
Audio (watts, speakers)600, 11630, 14
Tire (rear if not all the same)255/35-19275/35-21
Total Price$165,975$142,175
Adjustments for Features-7,3950
Feature-Adjusted Total Price$158,580$142,175
Total Invoice$154,424$132,293
Adjustments for Features-6,8800
Feature-Adjusted Total Invoice$147,544$132,293

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Features Comparison: Mercedes-Benz SL vs. Audi A8 / S8

Model Year20172018
ModelSLA8 / S8
TrimAMG SL63S8 Plus
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Active noise reduction $0
Heated steering wheel $100
Power rear side windows $200
Remote app$25 
Semi-automated parking system$500 
Sunshade, rear, power $225
Sunshades, second row, power $225
Wind blocker, power small$300 
Brakes, Airbags, and Other Safety 
Around view cameras $500
Auto-raising roll bars / headrests$500 
Automatic braking, high-speed or partial$200 
Blind spot collision prevention$150 
Cross-traffic detection for collision preparation system$0 
Cross-traffic warning, rear$100 
Driver drowsiness monitor$150 
Full-size spare tire $225
Lane departure prevention, steering-based $200
Lane keeping assist$400 
Pedestrian detection$50 
Rear side airbags $300
Rearview camera$200 
Rollover sensor $50
Torque vectoring, brake-based$100 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Cargo net $40
Rear seat pass-through $100
Ski sack $50
Storage compartment under front seat(s)$50 
Climate Control 
Adaptive windshield washer system$0 
Heated washer fluid system$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 
Wiper de-icer$25 
Drivetrain 
Limited-slip rear differential$300 
Engine / Motor 
Automatic start / stop$150 
Exterior 
Black grille (optional) $0
Body kit $0
Bright-finished exhaust tip(s)$25 
Carbon fiber exterior trim (other) $100
Carbon fiber mirror housings $100
Carbon fiber rear spoiler $300
Glass roof panel(s)$300 
Laminated front side windows $200
Laminated rear side windows $100
Power retractable hardtop$6750 
Rear spoiler$200 
Sunroof $900
Infotainment 
Android Auto support$100 
App support$0 
Apple CarPlay support$100 
Handwriting recognition $200
iPod integration$100 
Navigation map updates, three years$0 
SMS text-to-speech reader$25 
Telematics service, such as OnStar, with navigation$225 
USB port $25
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror $75
Chronometer$100 
Compass $0
Head-up display (HUD) $350
Headlight washers $50
Power-folding mirrors $50
Seats and Interior Trim 
Automatic seat bolsters, driver$300 
Automatic seat bolsters, front passenger$300 
Carbon fiber trim $200
Center armrest(s), second row $50
Door sill trim plates $100
Heated second row seats $200
Illuminated door sill trim plates$200 
Metal pedals$75 
Neck-level heating, front seats$150 
No leather in second row$-300 
Power seat belt height adjusters, front row $25
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power thigh bolsters, driver seat $100
Power thigh bolsters, passenger seat $100
Power upper seatback recliner, driver seat $100
Power upper seatback recliner, passenger seat $100
Upholstered instrument panel $300
Upholstered instrument panel, leather$1000 
Wood trim$300 
Suspension, Wheels, and Tires 
Active curve tilting$1000 
Active steering $1000
Adaptive dampers - electrical $500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000 
Air suspension, auto-leveling and height adjustable $1000
Sport suspension (upgrade)$0 
Transmission 
Launch control$100 
Total Value of Features$19,600$12,205
Value of Feature Adjustments$7,395$0
Value of Feature Adjustments-6,8800

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Specifications Comparison: Mercedes-Benz SL vs. Audi A8 / S8

Model Year20172018
ModelSLA8 / S8
Body2dr Hardtop conv.4dr Sedan
Wheelbase101.7 in117.8 in
Length182.3 in202.6 in
Width73.9 in76.7 in
Height51.2 in57.4 in
Curb Weight4,112 lb.4,685 lb.
Fuel Capacity19.8 gal.21.7 gal.
Row 1 Headroom39.1 in37.2 in
Row 1 Shoulder Room55.5 in59.1 in
Row 1 Legroom42.9 in41.4 in
Row 2 Headroom0.0 in38.1 in
Row 2 Shoulder Room0.0 in57.8 in
Row 2 Legroom0.0 in38.7 in
Cargo Volume,
Minimum
8.5 ft314.2 ft3
Cargo Volume,
Maximum
13.5 ft314.2 ft3

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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
Blind spot intervention150No
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Total Requested160084%
Total Not Requested30016%

Option Package Details
Audi A8 / S8 S8 Plus

Executive Plus Package
FeatureValueRequested?
Heated steering wheel100No
Ski sack50No
Heated second row seats200No
Rear seat pass-through100No
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200Yes
Radar- or camera-based collision preparation system0Yes
Total Requested150077%
Total Not Requested45023%
Dynamic Package
FeatureValueRequested?
Ceramic brake rotors4000Yes
Raised top speed limiter0Yes
Total Requested4000100%
Total Not Requested00%
Black Optic Plus Exterior Package
FeatureValueRequested?
Sport exhaust0No
Carbon fiber rear spoiler100No
Carbon fiber exterior trim (other)100No
Carbon fiber mirror housings100No
Black grille (optional)0No
Black exterior trim (optional)0Yes
Total Requested00%
Total Not Requested300100%

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