Mercedes-Benz SL Mercedes-Benz SL 2014 Audi A8 / S8 Audi A8 / S8 2015

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $91,025

Audi A8 / S8 A8 3.0T   
Difference: $62,860

Lowest Total Invoice: $84,718

Audi A8 / S8 A8 3.0T   
Difference: $58,461

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142014201520152015
ModelSLSLA8 / S8A8 / S8A8 / S8
TrimSL63 AMGSL65 AMGA8 3.0TA8 4.0TS8
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan
Base Price $147,300 $214,500 $77,400 $86,400 $114,900
Base Invoice $136,989 $199,485 $71,982 $80,352 $106,858
Driver Assistance Package 2,950   2,250 2,250 2,100
Wood trim 0 0     0
Power door closers 450        
Night vision 2,260   2,300 2,300 2,300
Premium Package     3,950 3,950  
Luxury Package     4,200 4,200  
Driver Assistance Package 2,744   2,093 2,093 1,954
Wood trim 0 0     0
Power door closers 419        
Night vision 2,102   2,139 2,139 2,139
Premium Package     3,673 3,673  
Luxury Package     3,906 3,906  
Options (change) 5,660 0 12,700 12,700 4,400
Options (change) 5,265 0 11,811 11,811 4,093
Destination 925 925 925 925 925
Gas Tax 0 1,300 0 0 0
Total Price $153,885 $216,725 $91,025 $100,025 $120,225
Total Invoice $143,179 $201,710 $84,718 $93,088 $111,876

Return to top

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

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Mercedes-Benz SL dealer quotes or Audi A8 / S8 dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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: $55,350
TrueDelta Adjusted Invoice Difference: $51,473
Model Year20142014201520152015
ModelSLSLA8 / S8A8 / S8A8 / S8
TrimSL63 AMGSL65 AMGA8 3.0TA8 4.0TS8
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan
Engine530hp V8621hp V12333hp V6435hp V8520hp V8
TransmissionT7T7T8T8T8
DrivetrainRWDRWDAWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)600, 14900, 12630, 14630, 14630, 14
Tire (rear if not all the same)255/35-19255/35-19255/45-19255/45-19265/35-21
Total Price$153,885$216,725$91,025$100,025$120,225
Adjustments for Features-7,510-10,0600-150-2,000
Feature-Adjusted Total Price$146,375$206,665$91,025$99,875$118,225
Cost Above Minimum$0$60,290$0$8,850$27,200
Total Invoice$143,179$201,710$84,718$93,088$111,876
Adjustments for Features-6,988-9,3630-140-1,861
Feature-Adjusted Total Invoice$136,191$192,347$84,718$92,948$110,015
Cost Above Minimum$0$56,156$0$8,230$25,297

Return to top

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

Model Year20142014201520152015
ModelSLSLA8 / S8A8 / S8A8 / S8
TrimSL63 AMGSL65 AMGA8 3.0TA8 4.0TS8
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200   
8-speed manually-shiftable automatic  $1300$1300$1300
RWD$0$0   
AWD  $1700$1700$1700
Accessories 
Active noise reduction   $0$0
Power rear side windows  $200$200$200
Remote app$25$25   
Semi-automated parking system$500$500   
Sunshade, rear, power  $225$225$225
Sunshades, second row, power    $225
Wind blocker, power small$300$300   
Brakes, Airbags, and Other Safety 
Animal detection, night  $50$50$50
Around view cameras  $500$500$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$100$100
Driver drowsiness monitor$150$150   
Full-size spare tire  $225$225$225
Lane departure prevention$150$150   
Lane departure prevention, steering-based  $200$200$200
Pedestrian detection, night  $50$50$50
Rear side airbags  $300$300$300
Rearview camera$200$200   
Rollover sensor  $50$50$50
Torque vectoring, brake-based$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   
Climate Control 
Adaptive windshield washer system$0$0   
Rear air vents  $100$100 
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 
Automatic start / stop$150$150 $150 
Dual-mode exhaust, switchable    $500
Exterior 
Body kit    $0
Electronically-variable tint, sunroof or glass roof panel $2000   
Glass roof panel(s)$300$300   
Laminated front side windows  $200$200$200
Laminated rear side windows  $100$100$100
Power retractable hardtop$6750$6750   
Rear spoiler$200$200   
Sunroof  $900$900$900
Infotainment 
App support$0$0   
CD changer, in-dash$325$325   
CD player  $125$125$125
Handwriting recognition  $200$200$200
In-vehicle Internet$150$150   
iPod integration$100$100   
SMS text-to-speech reader$25$25   
Telematics service, such as OnStar, with navigation$225$225   
USB port  $25$25$25
Instruments, Lights, and Mirrors 
Analog clock  $25$25$25
Auto-dimming passenger-side mirror  $75$75$75
Chronometer$100$100   
Compass  $0$0$0
Fog lights$125$125   
Head-up display (HUD)  $350$350$350
Interior ambient lighting$150$150   
Interior ambient lighting, configurable  $150$150$150
LED headlights  $1000$1000$1000
Power-folding mirrors  $50$50$50
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$50$50
Door sill trim plates  $100$100$100
Illuminated door sill trim plates$200$200   
Leather headliner $1000   
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$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
Synthetic suede headliner$650 $650$650$650
Upholstered instrument panel  $300$300$300
Upholstered instrument panel, leather$1000$1000   
Suspension, Wheels, and Tires 
Active steering    $1000
Adaptive dampers - electrical  $500$500$500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000$4000   
Air suspension, auto-leveling and height adjustable  $1000$1000$1000
Sport suspension (upgrade)$0$0   
Transmission 
Launch control$100    
Total Value of Features$19,125$21,675$11,615$11,765$13,615
Value of Feature Adjustments$7,510$10,060$0$150$2,000
Value of Feature Adjustments-6,988-9,3630-140-1,861

Return to top

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

Model Year20142015
ModelSLA8 / S8
Body2dr Hardtop conv.4dr Sedan
Wheelbase101.8 in117.8 in
Length181.8 in202.2 in
Width73.9 in76.7 in
Height51.8 in57.5 in
Curb Weight4,002 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

Return to top

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%

Option Package Details
Audi A8 / S8 A8 3.0T

Night vision
FeatureValueRequested?
Night vision1750Yes
Pedestrian detection, night50No
Animal detection, night50No
Total Requested175095%
Total Not Requested1005%
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, rear100No
Wide-view rear camera0No
Total Requested90045%
Total Not Requested110055%
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-based200No
Total Requested150088%
Total Not Requested20012%
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

Night vision
FeatureValueRequested?
Night vision1750Yes
Pedestrian detection, night50No
Animal detection, night50No
Total Requested175095%
Total Not Requested1005%
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, rear100No
Wide-view rear camera0No
Total Requested90045%
Total Not Requested110055%
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-based200No
Total Requested150088%
Total Not Requested20012%
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

Night vision
FeatureValueRequested?
Night vision1750Yes
Pedestrian detection, night50No
Animal detection, night50No
Total Requested175095%
Total Not Requested1005%
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-based200No
Total Requested130087%
Total Not Requested20013%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Convertibles
See TrueDelta's information for all Mercedes-Benz models.