Audi A8 / S8 Audi A8 / S8 2008 Mercedes-Benz SL Mercedes-Benz SL 2014

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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: $82,430

Audi A8 / S8 A8   
Difference: $66,835

Lowest Total Invoice: $76,692

Audi A8 / S8 A8   
Difference: $62,190

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820142014
ModelA8 / S8SLSL
TrimA8SL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Base Price $70,690 $147,300 $214,500
Base Invoice $65,741 $136,989 $199,485
Wood/leather-wrapped steering wheel 690 590 590
Cooled or ventilated front seats 1,500    
Premium Package 3,275    
Leather door panel trim 750    
Satellite radio 550    
Power door closers 600 450  
Synthetic suede headliner 1,500    
Adaptive cruise control 2,100    
Wood trim   0 0
Wood/leather-wrapped steering wheel 641 549 549
Cooled or ventilated front seats 1,396    
Premium Package 3,045    
Leather door panel trim 698    
Satellite radio 490    
Power door closers 557 419  
Synthetic suede headliner 1,396    
Adaptive cruise control 1,953    
Wood trim   0 0
Options (change) 10,965 1,040 590
Options (change) 10,176 968 549
Destination 775 925 925
Gas Tax 0 0 1,300
Total Price $82,430 $149,265 $217,315
Total Invoice $76,692 $138,882 $202,259

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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 Audi A8 / S8 dealer quotes or Mercedes-Benz SL dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Audi A8 / S8 A8
TrueDelta Adjusted Price Difference: $56,920
TrueDelta Adjusted Invoice Difference: $52,965
Model Year200820142014
ModelA8 / S8SLSL
TrimA8SL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Engine350hp V8530hp V8621hp V12
TransmissionT6T7T7
DrivetrainAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)200, 12600, 14900, 12
Tire (rear if not all the same)255/45-18255/35-19255/35-19
Total Price$82,430$149,265$217,315
Adjustments for Features0-9,915-16,215
Feature-Adjusted Total Price$82,430$139,350$201,100
Cost Above Minimum$0$0$61,750
Total Invoice$76,692$138,882$202,259
Adjustments for Features0-9,225-15,092
Feature-Adjusted Total Invoice$76,692$129,657$187,167
Cost Above Minimum$0$0$57,510

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

Model Year200820142014
ModelA8 / S8SLSL
TrimA8SL63 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100  
7-speed manually-shiftable automatic $1200$1200
AWD$1700  
RWD $0$0
Accessories 
Adaptive cruise control$600  
Adaptive cruise control, all-speed  $850
Cruise control $150 
Hands-free trunk or liftgate $100$100
Power rear side windows$200  
Remote app $25$25
Semi-automated parking system $500$500
Sunshade, rear, power$225  
Sunshades, second row$125  
Wind blocker, power small $300$300
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests $500$500
Automatic braking, high-speed or partial  $200
Automatic braking, low-speed  $200
Blind spot collision prevention  $150
Blind spot warning system  $200
Brake- or yaw-sensor-initiated collision preparation system $0 
Driver drowsiness monitor $150$150
Forward collision warning  $200
Full-size spare tire$225  
Lane departure prevention  $150
Lane departure warning  $200
Night vision  $1750
Radar- or camera-based collision preparation system  $0
Rear side airbags$300  
Torque vectoring, brake-based $100$100
Cargo Management 
Air-conditioned storage compartment $50$50
Storage compartment under front seat(s) $50$50
Climate Control 
Adaptive windshield washer system $0$0
Rear air vents$100  
Wiper de-icer $25$25
Drivetrain 
Limited-slip rear differential  $300
Engine / Motor 
Automatic start / stop $150$150
Exterior 
Bodyside moldings$75  
Electronically-variable tint, sunroof or glass roof panel  $2000
Glass roof panel(s) $300$300
Power retractable hardtop $6750$6750
Rear spoiler $200$200
Sunroof$900  
Infotainment 
App support $0$0
Aux input $50$50
Bluetooth audio streaming $25$25
CD changer, in-dash $325$325
CD changer, remote$200  
DVD-compatible player $0$0
HD radio $50$50
In-vehicle Internet $150$150
Media drive $15$15
MP3-compatible player $50$50
SD Card slot $25$25
SMS text-to-speech reader $25$25
Telematics service, such as OnStar, with navigation $225$225
Traffic + travel information $25$25
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200$200
Auto-dimming passenger-side mirror$75  
Chronometer $100$100
Power-folding mirrors$50  
Seats and Interior Trim 
Automatic seat bolsters, driver $300$300
Automatic seat bolsters, front passenger $300$300
Center armrest(s), second row$50  
Door sill trim plates$100  
Heated second row seats$200  
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 upper seatback recliner, driver seat$100  
Power upper seatback recliner, passenger seat$100  
Synthetic suede headliner$650$650 
Upholstered instrument panel, leather $1000$1000
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000$4000
Air suspension, auto-leveling and height adjustable$1000  
Electronic systems calibration selector $200$200
Sport suspension (upgrade) $0$0
Transmission 
Launch control $100 
Total Value of Features$8,575$18,490$24,790
Value of Feature Adjustments$0$9,915$16,215
Value of Feature Adjustments0-9,225-15,092

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

Model Year20082014
ModelA8 / S8SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase115.9 in101.8 in
Length199.3 in181.8 in
Width74.6 in73.9 in
Height56.9 in51.8 in
Curb Weight4,289 lb.4,002 lb.
Fuel Capacity23.8 gal.19.8 gal.
Row 1 Headroom37.3 in39.1 in
Row 1 Shoulder Room59.1 in55.5 in
Row 1 Legroom41.4 in42.9 in
Row 2 Headroom38.0 in0.0 in
Row 2 Shoulder Room57.5 in0.0 in
Row 2 Legroom37.6 in0.0 in
Cargo Volume,
Minimum
14.6 ft38.5 ft3
Cargo Volume,
Maximum
14.613.5 ft3

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Option Package Details
Audi A8 / S8 A8

Premium Package
FeatureValueRequested?
Sunshades, second row125No
Sunshade, rear, power225No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Power decklid300Yes
Proximity key250Yes
Total Requested115077%
Total Not Requested35023%

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