Mercedes-Benz SL Mercedes-Benz SL 2009 Audi A6 / S6 Audi A6 / S6 2008

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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: $56,165

Audi A6 / S6 A6 3.2   
Difference: $47,880

Lowest Total Invoice: $52,244

Audi A6 / S6 A6 3.2   
Difference: $44,670

Calculate Payments

  Down Payment Interest Rate Term
Model Year2009200920092009200820082008
ModelSLSLSLSLA6 / S6A6 / S6A6 / S6
TrimSL550SL600SL63 AMGSL65 AMGA6 3.2A6 4.2S6
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan
Base Price $98,500 $139,100 $135,000 $194,700 $42,950 $56,300 $72,350
Base Invoice $91,605 $129,363 $125,550 $181,071 $39,943 $52,361 $67,285
Adaptive cruise control 2,230 2,230 2,230 2,230 2,000 2,000 2,000
Obstacle detection, rear 1,140   1,140        
Wood trim     0 0      
S Line Package         2,000 1,000  
Sport suspension (upgrade)         500 500  
Premium Package         3,550    
Technology Package         4,100 3,450 3,350
iPod integration         290 290 290
Upholstered instrument cluster hood, leather           1,275  
Adaptive cruise control 2,074 2,074 2,074 2,074 1,860 1,860 1,860
Obstacle detection, rear 1,060   1,060        
Wood trim     0 0      
S Line Package         1,860 930  
Sport suspension (upgrade)         466 466  
Premium Package         3,302    
Technology Package         3,813 3,208 3,115
iPod integration         225 225 225
Upholstered instrument cluster hood, leather           1,185  
Options (change) 3,370 2,230 3,370 2,230 12,440 8,515 5,640
Options (change) 3,134 2,074 3,134 2,074 11,526 7,874 5,200
Destination 875 875 875 875 775 775 775
Gas Tax 1,300 2,600 2,600 2,600 0 0 1,300
Total Price $104,045 $144,805 $141,845 $200,405 $56,165 $65,590 $80,065
Total Invoice $96,914 $134,912 $132,159 $186,620 $52,244 $61,010 $74,560

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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 A6 / S6

Lowest Adjusted Price and Invoice: Audi A6 / S6 A6 3.2
TrueDelta Adjusted Price Difference: $37,380
TrueDelta Adjusted Invoice Difference: $34,890
Model Year2009200920092009200820082008
ModelSLSLSLSLA6 / S6A6 / S6A6 / S6
TrimSL550SL600SL63 AMGSL65 AMGA6 3.2A6 4.2S6
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan
Engine382hp V8510hp V12518hp V8604hp V12255hp V6350hp V8435hp V10
TransmissionT7T5T7T5CVT-7T6T6
DrivetrainRWDRWDRWDRWDFWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)510, 10510, 10510, 10510, 10330, 13330, 13330, 13
Tire (rear if not all the same)255/40-18255/40-18255/35-19255/35-19245/40-18245/40-18265/35-19
Total Price$104,045$144,805$141,845$200,405$56,165$65,590$80,065
Adjustments for Features-10,500-12,800-11,850-12,9000-1,900-2,125
Feature-Adjusted Total Price$93,545$132,005$129,995$187,505$56,165$63,690$77,940
Cost Above Minimum$0$38,460$36,450$93,960$0$7,525$21,775
Total Invoice$96,914$134,912$132,159$186,620$52,244$61,010$74,560
Adjustments for Features-9,780-11,926-11,041-12,0130-1,767-1,979
Feature-Adjusted Total Invoice$87,134$122,986$121,118$174,607$52,244$59,243$72,581
Cost Above Minimum$0$35,852$33,984$87,473$0$6,999$20,337

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

Model Year2009200920092009200820082008
ModelSLSLSLSLA6 / S6A6 / S6A6 / S6
TrimSL550SL600SL63 AMGSL65 AMGA6 3.2A6 4.2S6
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 $1200    
5-speed manually-shiftable automatic $1000 $1000   
7-speed manually-shiftable CVT    $1100  
6-speed manually-shiftable automatic     $1100$1100
RWD$0$0$0$0   
FWD    $0  
AWD     $1700$1700
Accessories 
Power rear side windows    $200$200$200
Power trunk closer $350 $350   
Proximity key $250 $250$250$250$250
Remote window/roof operation$15$15$15$15   
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$225$225
Knee airbag, driver$75$75$75$75   
Obstacle detection, front$150$150$150$150   
Rearview camera    $200$200$200
Side curtain airbags    $350$350$350
Temporary spare tire$150$150$150$150   
Cargo Management 
Air-conditioned storage compartment$50$50$50$50   
Cargo mat    $40$40$40
Cargo net    $40$40$40
Rear seat pass-through      $100
Ski sack      $50
Climate Control 
Rear air vents    $100$100$100
Wiper de-icer$25$25$25$25   
Exterior 
Body kit  $0$0   
Bodyside cladding      $350
Bodyside moldings    $75$75 
Glass roof panel(s) $300 $300   
Power retractable hardtop$6750$6750$6750$6750   
Sunroof    $900$900$900
Infotainment 
Aux input$50$50$50$50   
CD changer, in-dash$325$325$325$325   
CD changer, remote    $200$200$200
DVD-compatible player$0$0$0$0   
Media drive$15$15$15$15   
SD Card slot$25$25$25$25   
Telematics service, such as OnStar$200$200$200$200   
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror    $75$75$75
Compass    $0$0$0
Cornering lights$50$50$50$50   
Power-folding mirrors    $50$50$50
Seats and Interior Trim 
Center armrest(s), second row    $50$50$50
Cooled or ventilated front seats $300 $300   
Folding second row seats    $300$300$300
Leather-wrapped steering wheel$150   $150$150$150
Manual thigh support length adjuster, driver seat    $50$50$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$150$150
Power 4-way lumbar adjuster, passenger seat $150$150$150$150$150$150
Power headrest height adjuster, driver seat$50$50$50$50   
Power headrest height adjuster, passenger seat$50$50$50$50   
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 cluster hood, leather     $200 
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$0$0
Transmission 
Launch control  $100    
Steering-wheel-mounted transmission controls  $100$100$100$100$100
Total Value of Features$15,255$17,555$16,605$17,655$4,755$6,655$6,880
Value of Feature Adjustments$10,500$12,800$11,850$12,900$0$1,900$2,125
Value of Feature Adjustments-9,780-11,926-11,041-12,0130-1,767-1,979

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

Model Year20092008
ModelSLA6 / S6
Body2dr Hardtop conv.4dr Sedan
Wheelbase100.8 in111.9 in
Length180.4 in193.5 in
Width71.5 in73.1 in
Height51.1 in57.5 in
Curb Weight4,221 lb.4,013 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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Option Package Details
Audi A6 / S6 A6 3.2

S Line Package
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage0No
Manual thigh support adjuster, driver seat50Yes
Front sport buckets100Yes
Special interior trim0No
Steering-wheel-mounted transmission controls100Yes
Upholstered door panels, leather250Yes
Total Requested500100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Bose, 330W, 13 speakers (with subwoofer)350No
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Surround sound250Yes
Storage compartment under front seat(s)50Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Heated front seats200Yes
Sunroof900No
Total Requested142551%
Total Not Requested137549%
Technology Package
FeatureValueRequested?
Navigation system600Yes
Tilt/telescoping steering wheel, power100Yes
Universal garage door opener100Yes
Steering-linked headlights150Yes
Obstacle detection, rear250Yes
Rearview camera200No
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested155089%
Total Not Requested20011%

Option Package Details
Audi A6 / S6 A6 4.2

S Line Package
FeatureValueRequested?
Manual thigh support adjuster, driver seat50Yes
Front sport buckets100Yes
Special interior trim0No
Steering-wheel-mounted transmission controls100Yes
Total Requested250100%
Total Not Requested00%
Technology Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200No
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested120086%
Total Not Requested20014%

Option Package Details
Audi A6 / S6 S6

Technology Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200No
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested120086%
Total Not Requested20014%

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