Mercedes-Benz SL Mercedes-Benz SL 2009 Audi A6 / S6 Audi A6 / S6 2011

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Mercedes-Benz SL vs. Audi A6 / S6 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 A6 / S6 Invoice Comparison

Lowest Total Price: $78,275

Audi A6 / S6 S6   
Difference: $23,540

Lowest Total Invoice: $72,949

Audi A6 / S6 S6   
Difference: $21,891

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092009200920092011
ModelSLSLSLSLA6 / S6
TrimSL550SL600SL63 AMGSL65 AMGS6
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Base Price $98,500 $139,100 $135,000 $194,700 $76,100
Base Invoice $91,605 $129,363 $125,550 $181,071 $70,774
Obstacle detection, rear 1,140   1,140    
Wood trim     0 0  
Obstacle detection, rear 1,060   1,060    
Wood trim     0 0  
Options (change) 1,140 0 1,140 0 0
Options (change) 1,060 0 1,060 0 0
Destination 875 875 875 875 875
Gas Tax 1,300 2,600 2,600 2,600 1,300
Total Price $101,815 $142,575 $139,615 $198,175 $78,275
Total Invoice $94,840 $132,838 $130,085 $184,546 $72,949

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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 A6 / S6 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 A6 / S6

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6
TrueDelta Adjusted Price Difference: $15,915
TrueDelta Adjusted Invoice Difference: $14,788
Model Year20092009200920092011
ModelSLSLSLSLA6 / S6
TrimSL550SL600SL63 AMGSL65 AMGS6
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Engine382hp V8510hp V12518hp V8604hp V12435hp V10
TransmissionT7T5T7T5T6
DrivetrainRWDRWDRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)510, 10510, 10510, 10510, 10255, 9
Tire (rear if not all the same)255/40-18255/40-18255/35-19255/35-19265/35-19
Total Price$101,815$142,575$139,615$198,175$78,275
Adjustments for Features-7,625-9,925-8,975-10,0250
Feature-Adjusted Total Price$94,190$132,650$130,640$188,150$78,275
Cost Above Minimum$0$38,460$36,450$93,960$0
Total Invoice$94,840$132,838$130,085$184,546$72,949
Adjustments for Features-7,103-9,247-8,362-9,3360
Feature-Adjusted Total Invoice$87,737$123,591$121,723$175,210$72,949
Cost Above Minimum$0$35,854$33,986$87,473$0

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Features Comparison: Mercedes-Benz SL vs. Audi A6 / S6

Model Year20092009200920092011
ModelSLSLSLSLA6 / S6
TrimSL550SL600SL63 AMGSL65 AMGS6
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 $1200  
5-speed manually-shiftable automatic $1000 $1000 
6-speed manually-shiftable automatic    $1100
RWD$0$0$0$0 
AWD    $1700
Accessories 
Power rear side windows    $200
Power trunk closer $350 $350 
Proximity key $250 $250$250
Remote window/roof operation$15$15$15$15 
Sunshade, rear, power    $225
Sunshades, second row    $125
Wind blocker, small$100$100$100$100 
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500$500$500 
Full-size spare tire    $225
Knee airbag, driver$75$75$75$75 
Obstacle detection, front$150$150$150$150 
Rearview camera    $200
Side curtain airbags    $350
Temporary spare tire$150$150$150$150 
Cargo Management 
Air-conditioned storage compartment$50$50$50$50 
Cargo net    $40
Rear seat pass-through    $100
Ski sack    $50
Climate Control 
Rear air vents    $100
Wiper de-icer$25$25$25$25 
Exterior 
Body kit  $0$0 
Bodyside cladding    $350
Glass roof panel(s) $300 $300 
Power retractable hardtop$6750$6750$6750$6750 
Sunroof    $900
Infotainment 
CD changer, in-dash$325$325$325$325 
CD changer, remote    $200
HD radio    $50
SD Card slot$25$25$25$25 
Telematics service, such as OnStar$200$200$200$200 
Traffic information    $25
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror    $75
Compass    $0
Seats and Interior Trim 
Center armrest(s), second row    $50
Cooled or ventilated front seats $300 $300 
Folding second row seats    $300
Heated second row seats    $200
Leather-wrapped steering wheel$150   $150
Manual thigh support length adjuster, driver seat    $50
Massage, driver seat $100$100$100 
Massage, passenger seat $100$100$100 
Memory system, passenger seat$150$150$150$150 
Metal pedals$75$75$75$75 
Neck-level heating, front seats $150 $150 
No leather in second row$-300$-300$-300$-300 
Power 4-way lumbar adjuster, driver seat $150$150$150$150
Power 4-way lumbar adjuster, passenger seat $150$150$150$150
Power lumbar adjuster, driver seat$100    
Power lumbar adjuster, passenger seat$100    
Power seatback bolsters, driver seat $100$100$100 
Power seatback bolsters, passenger seat $100$100$100 
Power thigh support length adjuster, driver seat$100$100$100$100 
Power thigh support length adjuster, passenger seat$100$100$100$100 
Synthetic suede headliner $650$650$650 
Synthetic suede steering wheel  $150$150 
Upholstered instrument panel, leather$1000$1000$1000$1000 
Wood/leather-wrapped steering wheel $150   
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000$4000$4000$4000 
Sport suspension (upgrade)  $0$0$0
Transmission 
Launch control  $100  
Steering-wheel-mounted transmission controls  $100$100$100
Total Value of Features$15,040$17,340$16,390$17,440$7,415
Value of Feature Adjustments$7,625$9,925$8,975$10,025$0
Value of Feature Adjustments-7,103-9,247-8,362-9,3360

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Specifications Comparison: Mercedes-Benz SL vs. Audi A6 / S6

Model Year20092011
ModelSLA6 / S6
Body2dr Hardtop conv.4dr Sedan
Wheelbase100.8 in111.9 in
Length180.4 in193.5 in
Width71.5 in73.0 in
Height51.1 in57.5 in
Curb Weight4,221 lb.4,124 lb.
Fuel Capacity21.1 gal.21.1 gal.
Row 1 Headroom37.7 in38.7 in
Row 1 Shoulder Room54.0 in57.1 in
Row 1 Hip Room53.9 in0.0 in
Row 1 Legroom42.9 in41.3 in
Row 2 Headroom0.0 in37.8 in
Row 2 Shoulder Room0.0 in55.9 in
Row 2 Legroom0.0 in36.9 in
Cargo Volume,
Minimum
7.2 ft315.9 ft3
Cargo Volume,
Maximum
10.2 ft315.9 ft3

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