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

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Audi A6 / S6 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 A6 / S6 vs. Mercedes-Benz SL 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 Year2008200820082009200920092009
ModelA6 / S6A6 / S6A6 / S6SLSLSLSL
TrimA6 3.2A6 4.2S6SL550SL600SL63 AMGSL65 AMG
Body4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $42,950 $56,300 $72,350 $98,500 $139,100 $135,000 $194,700
Base Invoice $39,943 $52,361 $67,285 $91,605 $129,363 $125,550 $181,071
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        
Adaptive cruise control 2,000 2,000 2,000 2,230 2,230 2,230 2,230
Upholstered instrument cluster hood, leather   1,275          
Obstacle detection, rear       1,140   1,140  
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        
Adaptive cruise control 1,860 1,860 1,860 2,074 2,074 2,074 2,074
Upholstered instrument cluster hood, leather   1,185          
Obstacle detection, rear       1,060   1,060  
Wood trim           0 0
Options (change) 12,440 8,515 5,640 3,370 2,230 3,370 2,230
Options (change) 11,526 7,874 5,200 3,134 2,074 3,134 2,074
Destination 775 775 775 875 875 875 875
Gas Tax 0 0 1,300 1,300 2,600 2,600 2,600
Total Price $56,165 $65,590 $80,065 $104,045 $144,805 $141,845 $200,405
Total Invoice $52,244 $61,010 $74,560 $96,914 $134,912 $132,159 $186,620

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

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 A6 3.2
TrueDelta Adjusted Price Difference: $37,380
TrueDelta Adjusted Invoice Difference: $34,890
Model Year2008200820082009200920092009
ModelA6 / S6A6 / S6A6 / S6SLSLSLSL
TrimA6 3.2A6 4.2S6SL550SL600SL63 AMGSL65 AMG
Body4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine255hp V6350hp V8435hp V10382hp V8510hp V12518hp V8604hp V12
TransmissionCVT-7T6T6T7T5T7T5
DrivetrainFWDAWDAWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)330, 13330, 13330, 13510, 10510, 10510, 10510, 10
Tire (rear if not all the same)245/40-18245/40-18265/35-19255/40-18255/40-18255/35-19255/35-19
Total Price$56,165$65,590$80,065$104,045$144,805$141,845$200,405
Adjustments for Features0-1,900-2,125-10,500-12,800-11,850-12,900
Feature-Adjusted Total Price$56,165$63,690$77,940$93,545$132,005$129,995$187,505
Cost Above Minimum$0$7,525$21,775$0$38,460$36,450$93,960
Total Invoice$52,244$61,010$74,560$96,914$134,912$132,159$186,620
Adjustments for Features0-1,767-1,979-9,780-11,926-11,041-12,013
Feature-Adjusted Total Invoice$52,244$59,243$72,581$87,134$122,986$121,118$174,607
Cost Above Minimum$0$6,999$20,337$0$35,852$33,984$87,473

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

Model Year2008200820082009200920092009
ModelA6 / S6A6 / S6A6 / S6SLSLSLSL
TrimA6 3.2A6 4.2S6SL550SL600SL63 AMGSL65 AMG
Body4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed manually-shiftable CVT$1100      
6-speed manually-shiftable automatic $1100$1100    
7-speed manually-shiftable automatic   $1200 $1200 
5-speed manually-shiftable automatic    $1000 $1000
FWD$0      
AWD $1700$1700    
RWD   $0$0$0$0
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$4,755$6,655$6,880$15,255$17,555$16,605$17,655
Value of Feature Adjustments$0$1,900$2,125$10,500$12,800$11,850$12,900
Value of Feature Adjustments0-1,767-1,979-9,780-11,926-11,041-12,013

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

Model Year20082009
ModelA6 / S6SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase111.9 in100.8 in
Length193.5 in180.4 in
Width73.1 in71.5 in
Height57.5 in51.1 in
Curb Weight4,013 lb.4,221 lb.
Fuel Capacity21.1 gal.21.1 gal.
Row 1 Headroom38.7 in37.7 in
Row 1 Shoulder Room57.1 in54.0 in
Row 1 Hip Room0.0 in53.9 in
Row 1 Legroom41.3 in42.9 in
Row 2 Headroom37.8 in0.0 in
Row 2 Shoulder Room55.9 in0.0 in
Row 2 Legroom36.9 in0.0 in
Cargo Volume,
Minimum
15.9 ft37.2 ft3
Cargo Volume,
Maximum
15.910.2 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 passenger-side mirror75No
Heated front seats200Yes
Sunroof900No
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
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%

Option Package Details
Mercedes-Benz SL SL550

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%

Option Package Details
Mercedes-Benz SL SL63 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150No
Total Requested25063%
Total Not Requested15037%

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