Mercedes-Benz SL Mercedes-Benz SL 2017 Audi A8 / S8 Audi A8 / S8 2015

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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: $88,725

Audi A8 / S8 A8 3.0T   
Difference: $12,890

Lowest Total Invoice: $82,579

Audi A8 / S8 A8 3.0T   
Difference: $11,990

Calculate Payments

  Down Payment Interest Rate Term
Model Year2017201720172017201520152015
ModelSLSLSLSLA8 / S8A8 / S8A8 / S8
TrimSL450SL550AMG SL63AMG SL65A8 3.0TA8 4.0TS8
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan
Base Price $86,950 $110,800 $151,350 $219,850 $77,400 $86,400 $114,900
Base Invoice $80,864 $103,044 $140,756 $204,461 $71,982 $80,352 $106,858
Premium Package 5,050       3,950 3,950  
Driver Assistance Package 2,250 2,250 2,250   2,250 2,250 2,100
Power door closers 450 450 450        
Synthetic suede headliner 1,000 1,000          
Upgraded leather upholstery 900 900          
Adaptive hydraulic struts, auto-leveling and ht. adjustable 4,090 4,090          
Wood trim     0 0     0
Luxury Package         4,200 4,200  
Premium Package 4,697       3,673 3,673  
Driver Assistance Package 2,093 2,093 2,093   2,093 2,093 1,954
Power door closers 419 419 419        
Synthetic suede headliner 930 930          
Upgraded leather upholstery 837 837          
Adaptive hydraulic struts, auto-leveling and ht. adjustable 3,804 3,804          
Wood trim     0 0     0
Luxury Package         3,906 3,906  
Options (change) 13,740 8,690 2,700 0 10,400 10,400 2,100
Options (change) 12,780 8,083 2,512 0 9,672 9,672 1,954
Destination 925 925 925 925 925 925 925
Gas Tax 0 0 0 1,300 0 0 0
Total Price $101,615 $120,415 $154,975 $222,075 $88,725 $97,725 $117,925
Total Invoice $94,569 $112,052 $144,193 $206,686 $82,579 $90,949 $109,737

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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: Mercedes-Benz SL vs. Audi A8 / S8

Lowest Adjusted Price and Invoice: Audi A8 / S8 A8 3.0T
TrueDelta Adjusted Price Difference: $2,795
TrueDelta Adjusted Invoice Difference: $2,595
Model Year2017201720172017201520152015
ModelSLSLSLSLA8 / S8A8 / S8A8 / S8
TrimSL450SL550AMG SL63AMG SL65A8 3.0TA8 4.0TS8
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan
Engine362hp V6449hp V8577hp V8621hp V12333hp V6435hp V8520hp V8
TransmissionT9T9T7T7T8T8T8
DrivetrainRWDRWDRWDRWDAWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)600, 11600, 11600, 11900, 12630, 14630, 14630, 14
Tire (rear if not all the same)255/35-19255/35-19255/35-19255/35-19255/45-19255/45-19265/35-21
Total Price$101,615$120,415$154,975$222,075$88,725$97,725$117,925
Adjustments for Features-10,095-10,095-10,420-12,3200-150-2,000
Feature-Adjusted Total Price$91,520$110,320$144,555$209,755$88,725$97,575$115,925
Cost Above Minimum$0$18,800$53,035$118,235$0$8,850$27,200
Total Invoice$94,569$112,052$144,193$206,686$82,579$90,949$109,737
Adjustments for Features-9,395-9,394-9,695-11,4660-140-1,861
Feature-Adjusted Total Invoice$85,174$102,658$134,498$195,220$82,579$90,809$107,876
Cost Above Minimum$0$17,484$49,324$110,046$0$8,230$25,297

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

Model Year2017201720172017201520152015
ModelSLSLSLSLA8 / S8A8 / S8A8 / S8
TrimSL450SL550AMG SL63AMG SL65A8 3.0TA8 4.0TS8
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
9-speed manually-shiftable automatic$1400$1400     
7-speed manually-shiftable automatic  $1200$1200   
8-speed manually-shiftable automatic    $1300$1300$1300
RWD$0$0$0$0   
AWD    $1700$1700$1700
Accessories 
Active noise reduction     $0$0
Power rear side windows    $200$200$200
Remote app$25$25$25$25   
Semi-automated parking system$500$500$500$500   
Sunshade, rear, power    $225$225$225
Sunshades, second row, power      $225
Wind blocker, power small$300$300$300$300   
Brakes, Airbags, and Other Safety 
Around view cameras    $500$500$500
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   
Full-size spare tire    $225$225$225
Lane departure prevention, steering-based    $200$200$200
Lane keeping assist$400$400$400$400   
Pedestrian detection$50$50$50$50   
Rear side airbags    $300$300$300
Rearview camera$200$200$200$200   
Rollover sensor    $50$50$50
Tires, run-flat$150$150     
Torque vectoring, brake-based$100$100$100$100   
Wide-view front camera    $150$150$150
Wide-view rear camera    $0$0$0
Cargo Management 
Cargo net    $40$40$40
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$15$15
Rear air vents    $100$100 
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 
Automatic start / stop$150$150$150$150 $150 
Dual-mode exhaust, switchable$500$500$500$500  $500
Raised top speed limiter  $0$0   
Exterior 
Body kit      $0
Electronically-variable tint, sunroof or glass roof panel   $2000   
Glass roof panel(s)$300$300$300$300   
Laminated front side windows    $200$200$200
Laminated rear side windows    $100$100$100
Power retractable hardtop$6750$6750$6750$6750   
Rear spoiler  $200$200   
Sunroof    $900$900$900
Infotainment 
Android Auto support$100$100$100$100   
App support$0$0$0$0   
Apple CarPlay support$100$100$100$100   
Handwriting recognition    $200$200$200
In-vehicle Internet$150$150$150$150   
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$25$25
Wi-Fi hotspot$50$50$50$50   
Instruments, Lights, and Mirrors 
Analog clock$25$25  $25$25$25
Auto-dimming passenger-side mirror    $75$75$75
Chronometer  $100$100   
Compass    $0$0$0
Head-up display (HUD)    $350$350$350
Headlight washers    $50$50$50
Power-folding mirrors    $50$50$50
Seats and Interior Trim 
Automatic seat bolsters, driver$300$300$300$300   
Automatic seat bolsters, front passenger$300$300$300$300   
Center armrest(s), second row    $50$50$50
Door sill trim plates    $100$100$100
Illuminated door sill trim plates$200$200$200$200   
Metal pedals$75$75$75$75   
Neck-level heating, front seats$150$150$150$150   
No leather in second row$-300$-300$-300$-300   
Power seat belt height adjusters, front row    $25$25$25
Power seatback bolsters, driver seat    $100$100$100
Power seatback bolsters, passenger seat    $100$100$100
Power thigh bolsters, driver seat    $100$100$100
Power thigh bolsters, passenger seat    $100$100$100
Power upper seatback recliner, driver seat    $100$100$100
Power upper seatback recliner, passenger seat    $100$100$100
Upholstered instrument panel    $300$300$300
Upholstered instrument panel, leather$1000$1000$1000$1000   
Suspension, Wheels, and Tires 
Active curve tilting$1000$1000$1000$1000   
Active steering      $1000
Adaptive dampers - electrical    $500$500$500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000$4000$4000$4000   
Air suspension, auto-leveling and height adjustable    $1000$1000$1000
Sport suspension (upgrade)  $0    
Ultra-sport suspension (upgrade)   $0   
Transmission 
Launch control  $100    
Total Value of Features$19,650$19,650$19,975$21,875$9,555$9,705$11,555
Value of Feature Adjustments$10,095$10,095$10,420$12,320$0$150$2,000
Value of Feature Adjustments-9,395-9,394-9,695-11,4660-140-1,861

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

Model Year20172015
ModelSLA8 / S8
Body2dr Hardtop conv.4dr Sedan
Wheelbase101.7 in117.8 in
Length182.3 in202.2 in
Width73.9 in76.7 in
Height51.2 in57.5 in
Curb Weight3,827 lb.4,366 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 SL450

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 decklid350Yes
Proximity key250Yes
Neck-level heating, front seats150No
Semi-automated parking system500No
Hands-free trunk or liftgate100Yes
Total Requested180059%
Total Not Requested125041%
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 SL550

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%

Option Package Details
Audi A8 / S8 A8 3.0T

Premium Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Massage, driver seat100Yes
Massage, passenger seat100Yes
Head-up display (HUD)350No
Blind spot warning system200Yes
Around view cameras300No
Wide-view front camera150No
Collision preparation system, rear100Yes
Wide-view rear camera0No
Total Requested100050%
Total Not Requested100050%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention system, steering-based200Yes
Total Requested1700100%
Total Not Requested00%
Luxury Package
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage0No
Laminated front side windows200No
Synthetic suede headliner650Yes
Leather door panel trim250Yes
Laminated rear side windows100No
Total Requested90075%
Total Not Requested30025%

Option Package Details
Audi A8 / S8 A8 4.0T

Premium Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Massage, driver seat100Yes
Massage, passenger seat100Yes
Head-up display (HUD)350No
Blind spot warning system200Yes
Around view cameras300No
Wide-view front camera150No
Collision preparation system, rear100Yes
Wide-view rear camera0No
Total Requested100050%
Total Not Requested100050%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention system, steering-based200Yes
Total Requested1700100%
Total Not Requested00%
Luxury Package
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage0No
Laminated front side windows200No
Synthetic suede headliner650Yes
Leather door panel trim250Yes
Laminated rear side windows100No
Total Requested90075%
Total Not Requested30025%

Option Package Details
Audi A8 / S8 S8

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention system, steering-based200Yes
Total Requested1500100%
Total Not Requested00%

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