Mercedes-Benz SL Mercedes-Benz SL 2011 Audi A8 / S8 Audi A8 / S8 2008

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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: $81,140

Audi A8 / S8 A8   
Difference: $68,005

Lowest Total Invoice: $75,494

Audi A8 / S8 A8   
Difference: $63,454

Calculate Payments

  Down Payment Interest Rate Term
Model Year2011201120082008
ModelSLSLA8 / S8A8 / S8
TrimSL63 AMGSL65 AMGA8S8
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan
Base Price $139,050 $198,750 $70,690 $93,300
Base Invoice $129,316 $184,838 $65,741 $86,771
Premium 1 Package 3,150      
Obstacle detection, rear 1,170      
Wood trim 0 0    
Adaptive cruise control 2,300 2,300 2,100 2,100
Premium Package     3,275 2,800
Cooled or ventilated front seats     1,500  
Leather door panel trim     750  
Synthetic suede headliner     1,500  
Satellite radio     550 550
Premium 1 Package 2,930      
Obstacle detection, rear 1,088      
Wood trim 0 0    
Adaptive cruise control 2,139 2,139 1,953 1,953
Premium Package     3,045 2,605
Cooled or ventilated front seats     1,396  
Leather door panel trim     698  
Synthetic suede headliner     1,396  
Satellite radio     490 501
Options (change) 6,620 2,300 9,675 5,450
Options (change) 6,157 2,139 8,978 5,059
Destination 875 875 775 775
Gas Tax 2,600 2,600 0 2,100
Total Price $149,145 $204,525 $81,140 $101,625
Total Invoice $138,948 $190,452 $75,494 $94,705

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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

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
TrueDelta Adjusted Price Difference: $60,965
TrueDelta Adjusted Invoice Difference: $56,895
Model Year2011201120082008
ModelSLSLA8 / S8A8 / S8
TrimSL63 AMGSL65 AMGA8S8
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan
Engine518hp V8604hp V12350hp V8450hp V10
TransmissionT7T5T6T6
DrivetrainRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)510, 10510, 10200, 12200, 12
Tire (rear if not all the same)255/35-19255/35-19255/45-18265/35-20
Total Price$149,145$204,525$81,140$101,625
Adjustments for Features-7,540-7,540-5000
Feature-Adjusted Total Price$141,605$196,985$80,640$101,625
Cost Above Minimum$0$55,380$0$20,985
Total Invoice$138,948$190,452$75,494$94,705
Adjustments for Features-7,024-7,021-4650
Feature-Adjusted Total Invoice$131,924$183,431$75,029$94,705
Cost Above Minimum$0$51,507$0$19,676

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

Model Year2011201120082008
ModelSLSLA8 / S8A8 / S8
TrimSL63 AMGSL65 AMGA8S8
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200   
5-speed manually-shiftable automatic $1000  
6-speed manually-shiftable automatic  $1100$1100
RWD$0$0  
AWD  $1700$1700
Accessories 
Power rear side windows  $200$200
Sunshade, rear, power  $225$225
Sunshades, second row  $125$125
Wind blocker, small$100$100  
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500  
Full-size spare tire  $225$225
Knee airbag, passenger  $75$75
Rear side airbags  $300$300
Rearview camera  $200$200
Side curtain airbags  $350$350
Temporary spare tire$150$150  
Cargo Management 
Air-conditioned storage compartment$50$50  
Storage compartment under front seat(s)$50$50  
Climate Control 
Rear air vents  $100$100
Wiper de-icer$25$25  
Exterior 
Body kit$0$0  
Bodyside moldings  $75$75
Glass roof panel(s) $300  
Power retractable hardtop$6750$6750  
Sunroof  $900$900
Infotainment 
Aux input$50$50  
CD changer, in-dash$325$325  
CD changer, remote  $200$200
DVD-compatible player$0$0  
HD radio$50$50  
Media drive$15$15  
MP3-compatible player$50$50  
SD Card slot$25$25  
Telematics service, such as OnStar$200$200  
Traffic information$25$25  
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror  $75$75
Power-folding mirrors  $50$50
Seats and Interior Trim 
Center armrest(s), second row  $50$50
Cooled or ventilated front seats$300$300$300 
Heated second row seats  $200$200
Leather-wrapped steering wheel  $150$150
Massage, driver seat$100$100$100 
Massage, passenger seat$100$100$100 
Metal pedals$75$75  
Neck-level heating, front seats$150$150  
No leather in second row$-300$-300  
Power seatback bolsters, driver seat$100$100  
Power seatback bolsters, passenger seat$100$100  
Power upper seatback recliner, driver seat  $100$100
Power upper seatback recliner, passenger seat  $100$100
Synthetic suede steering wheel$150$150  
Upholstered instrument panel, leather$1000$1000  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical  $500$500
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000$4000  
Air suspension, auto-leveling and height adjustable  $1000$1000
Sport suspension (upgrade)$0$0 $0
Transmission 
Launch control$100   
Steering-wheel-mounted transmission controls$100$100  
Total Value of Features$15,540$15,540$8,500$8,000
Value of Feature Adjustments$7,540$7,540$500$0
Value of Feature Adjustments-7,024-7,021-4650

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

Model Year20112008
ModelSLA8 / S8
Body2dr Hardtop conv.4dr Sedan
Wheelbase100.8 in115.9 in
Length180.4 in199.3 in
Width71.5 in74.6 in
Height51.1 in56.9 in
Curb Weight4,221 lb.4,289 lb.
Fuel Capacity21.1 gal.23.8 gal.
Row 1 Headroom37.7 in37.3 in
Row 1 Shoulder Room54.0 in59.1 in
Row 1 Hip Room53.9 in0.0 in
Row 1 Legroom42.9 in41.4 in
Row 2 Headroom0.0 in38.0 in
Row 2 Shoulder Room0.0 in57.5 in
Row 2 Legroom0.0 in37.6 in
Cargo Volume,
Minimum
7.2 ft314.6 ft3
Cargo Volume,
Maximum
10.2 ft314.6 ft3

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Option Package Details
Mercedes-Benz SL SL63 AMG

Premium 1 Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power decklid350Yes
Proximity key250Yes
Neck-level heating, front seats150No
Total Requested90086%
Total Not Requested15014%

Option Package Details
Audi A8 / S8 A8

Cooled or ventilated front seats
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Massage, driver seat100Yes
Massage, passenger seat100Yes
Total Requested500100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Sunshades, second row125No
Sunshade, rear, power225No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200No
Power decklid300Yes
Proximity key250Yes
Total Requested95063%
Total Not Requested55037%

Option Package Details
Audi A8 / S8 S8

Premium Package
FeatureValueRequested?
Sunshades, second row125No
Sunshade, rear, power225No
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200No
Power decklid300Yes
Proximity key250Yes
Total Requested95063%
Total Not Requested55037%

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