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

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Audi A8 / S8 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 A8 / S8 vs. Mercedes-Benz SL 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 Year201820172017
ModelA8 / S8SLSL
TrimS8 PlusAMG SL63AMG SL65
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Base Price $115,900 $151,350 $219,850
Base Invoice $107,788 $140,756 $204,461
Executive Plus Package 2,800    
Dynamic Package 9,000    
Black Optic Plus Exterior Package 7,500    
Paint, matte finish 6,000 1,300 1,300
Driver Assistance Package   2,250  
Power door closers   450  
Black exterior trim (optional)   750 750
Ceramic brake rotors   8,950 8,950
Wood trim   0 0
Executive Plus Package 2,604    
Dynamic Package 8,370    
Black Optic Plus Exterior Package 6,976    
Paint, matte finish 5,580 1,209 1,209
Driver Assistance Package   2,093  
Power door closers   419  
Black exterior trim (optional)   698 698
Ceramic brake rotors   8,324 8,324
Wood trim   0 0
Options (change) 25,300 13,700 11,000
Options (change) 23,530 12,743 10,231
Destination 975 925 925
Gas Tax 0 0 1,300
Total Price $142,175 $165,975 $233,075
Total Invoice $132,293 $154,424 $216,917

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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

Lowest Adjusted Price and Invoice: Audi A8 / S8 S8 Plus
TrueDelta Adjusted Price Difference: $16,405
TrueDelta Adjusted Invoice Difference: $15,251
Model Year201820172017
ModelA8 / S8SLSL
TrimS8 PlusAMG SL63AMG SL65
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Engine605hp V8577hp V8621hp V12
TransmissionT8T7T7
DrivetrainAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14600, 11900, 12
Tire (rear if not all the same)275/35-21255/35-19255/35-19
Total Price$142,175$165,975$233,075
Adjustments for Features0-7,395-9,295
Feature-Adjusted Total Price$142,175$158,580$223,780
Cost Above Minimum$0$0$65,200
Total Invoice$132,293$154,424$216,917
Adjustments for Features0-6,880-8,651
Feature-Adjusted Total Invoice$132,293$147,544$208,266
Cost Above Minimum$0$0$60,722

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

Model Year201820172017
ModelA8 / S8SLSL
TrimS8 PlusAMG SL63AMG SL65
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300  
7-speed manually-shiftable automatic $1200$1200
AWD$1700  
RWD $0$0
Accessories 
Active noise reduction$0  
Heated steering wheel$100  
Power rear side windows$200  
Remote app $25$25
Semi-automated parking system $500$500
Sunshade, rear, power$225  
Sunshades, second row, power$225  
Wind blocker, power small $300$300
Brakes, Airbags, and Other Safety 
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
Cross-traffic detection for collision preparation system $0$0
Cross-traffic warning, rear $100$100
Driver drowsiness monitor $150$150
Full-size spare tire$225  
Lane departure prevention, steering-based$200  
Lane keeping assist $400$400
Pedestrian detection $50$50
Rear side airbags$300  
Rearview camera $200$200
Rollover sensor$50  
Torque vectoring, brake-based $100$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$50
Climate Control 
Adaptive windshield washer system $0$0
Heated washer fluid system $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
Wiper de-icer $25$25
Drivetrain 
Limited-slip rear differential $300$300
Engine / Motor 
Automatic start / stop $150$150
Exterior 
Black grille (optional)$0  
Body kit$0  
Bright-finished exhaust tip(s) $25$25
Carbon fiber exterior trim (other)$100  
Carbon fiber mirror housings$100  
Carbon fiber rear spoiler$300  
Electronically-variable tint, sunroof or glass roof panel  $2000
Glass roof panel(s) $300$300
Laminated front side windows$200  
Laminated rear side windows$100  
Power retractable hardtop $6750$6750
Rear spoiler $200$200
Sunroof$900  
Infotainment 
Android Auto support $100$100
App support $0$0
Apple CarPlay support $100$100
Handwriting recognition$200  
iPod integration $100$100
Navigation map updates, three years $0$0
SMS text-to-speech reader $25$25
Telematics service, such as OnStar, with navigation $225$225
USB port$25  
Instruments, Lights, and Mirrors 
Analog clock$25  
Auto-dimming passenger-side mirror$75  
Chronometer $100$100
Compass$0  
Head-up display (HUD)$350  
Headlight washers$50  
Power-folding mirrors$50  
Seats and Interior Trim 
Automatic seat bolsters, driver $300$300
Automatic seat bolsters, front passenger $300$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$200
Metal pedals $75$75
Neck-level heating, front seats $150$150
No leather in second row $-300$-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$1000
Wood trim $300$300
Suspension, Wheels, and Tires 
Active curve tilting $1000$1000
Active steering$1000  
Adaptive dampers - electrical$500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000$4000
Air suspension, auto-leveling and height adjustable$1000  
Sport suspension (upgrade) $0 
Ultra-sport suspension (upgrade)  $0
Transmission 
Launch control $100 
Total Value of Features$12,205$19,600$21,500
Value of Feature Adjustments$0$7,395$9,295
Value of Feature Adjustments0-6,880-8,651

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

Model Year20182017
ModelA8 / S8SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase117.8 in101.7 in
Length202.6 in182.3 in
Width76.7 in73.9 in
Height57.4 in51.2 in
Curb Weight4,686 lb.3,827 lb.
Fuel Capacity21.7 gal.19.8 gal.
Row 1 Headroom37.2 in39.1 in
Row 1 Shoulder Room59.1 in55.5 in
Row 1 Legroom41.4 in42.9 in
Row 2 Headroom38.1 in0.0 in
Row 2 Shoulder Room57.8 in0.0 in
Row 2 Legroom38.7 in0.0 in
Cargo Volume,
Minimum
14.2 ft38.5 ft3
Cargo Volume,
Maximum
14.213.5 ft3

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Option Package Details
Audi A8 / S8 S8 Plus

Executive Plus Package
FeatureValueRequested?
Heated second row seats200No
Rear seat pass-through100No
Heated steering wheel100No
Ski sack50No
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 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%

Option Package Details
Mercedes-Benz SL AMG SL63

Paint, matte finish
FeatureValueRequested?
Paint, matte finish1000Yes
Paint, special gray0No
Total Requested1000100%
Total Not Requested00%
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 SL65

Paint, matte finish
FeatureValueRequested?
Paint, matte finish1000Yes
Paint, special gray0No
Total Requested1000100%
Total Not Requested00%

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