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

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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: $55,875

Audi A6 / S6 A6 3.2   
Difference: $48,610

Lowest Total Invoice: $52,019

Audi A6 / S6 A6 3.2   
Difference: $45,304

Calculate Payments

  Down Payment Interest Rate Term
Model Year2008200820082008200820082008
ModelA6 / S6A6 / S6A6 / S6SLSLSLSL
TrimA6 3.2A6 4.2S6SL550SL600SL55 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 $95,300 $133,200 $129,300 $187,200
Base Invoice $39,943 $52,361 $67,285 $88,629 $123,876 $120,249 $174,096
S Line Package 2,000 1,000          
Sport suspension (upgrade) 500 500          
Premium Package 3,550            
Technology Package 4,100 3,450 3,350        
Adaptive cruise control 2,000 2,000 2,000 2,200 2,200 2,200 2,200
Upholstered instrument cluster hood, leather   1,275          
Premium I Package       3,170      
Voice control for nav and audio       510 510 510 510
Obstacle detection, rear       1,130 1,130 1,130 1,130
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        
Adaptive cruise control 1,860 1,860 1,860 2,046 2,046 2,046 2,046
Upholstered instrument cluster hood, leather   1,185          
Premium I Package       2,948      
Voice control for nav and audio       474 474 474 474
Obstacle detection, rear       1,051 1,051 1,051 1,051
Wood trim           0 0
Options (change) 12,150 8,225 5,350 7,010 3,840 3,840 3,840
Options (change) 11,301 7,649 4,975 6,519 3,571 3,571 3,571
Destination 775 775 775 875 875 875 875
Gas Tax 0 0 1,300 1,300 2,600 2,600 2,600
Total Price $55,875 $65,300 $79,775 $104,485 $140,515 $136,615 $194,515
Total Invoice $52,019 $60,785 $74,335 $97,323 $130,922 $127,295 $181,142

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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: $37,500
TrueDelta Adjusted Invoice Difference: $34,956
Model Year2008200820082008200820082008
ModelA6 / S6A6 / S6A6 / S6SLSLSLSL
TrimA6 3.2A6 4.2S6SL550SL600SL55 AMGSL65 AMG
Body4dr Sedan4dr Sedan4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine255hp V6350hp V8435hp V10382hp V8510hp V12510hp V8604hp V12
TransmissionCVT-7T6T6T7T5T5T5
DrivetrainFWDAWDAWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)330, 13330, 13330, 13250, 8250, 8250, 8250, 8
Tire (rear if not all the same)245/40-18245/40-18265/35-19255/40-18255/40-18255/35-19255/35-19
Total Price$55,875$65,300$79,775$104,485$140,515$136,615$194,515
Adjustments for Features0-1,900-2,125-11,110-11,910-11,060-12,010
Feature-Adjusted Total Price$55,875$63,400$77,650$93,375$128,605$125,555$182,505
Cost Above Minimum$0$7,525$21,775$0$35,230$32,180$89,130
Total Invoice$52,019$60,785$74,335$97,323$130,922$127,295$181,142
Adjustments for Features0-1,769-1,980-10,348-11,097-10,305-11,184
Feature-Adjusted Total Invoice$52,019$59,016$72,355$86,975$119,825$116,990$169,958
Cost Above Minimum$0$6,997$20,336$0$32,850$30,015$82,983

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

Model Year2008200820082008200820082008
ModelA6 / S6A6 / S6A6 / S6SLSLSLSL
TrimA6 3.2A6 4.2S6SL550SL600SL55 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   
5-speed manually-shiftable automatic    $1000$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 $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     
Power retractable hardtop   $6750$6750$6750$6750
Sunroof$900$900$900    
Infotainment 
CD player   $125$125$125$125
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
Power-folding mirrors$50$50$50    
Steering-linked headlights$150$150$150    
Seats and Interior Trim 
Center armrest(s), second row$50$50$50    
Cooled or ventilated front seats   $300$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    
Memory system, passenger seat   $150$150$150$150
Metal pedals   $75$75$75$75
No leather in second row   $-300$-300$-300$-300
Power headrest height adjuster, driver seat   $50$50$50$50
Power headrest height adjuster, passenger seat   $50$50$50$50
Power seatback bolsters, driver seat   $100$100$100$100
Power seatback bolsters, passenger seat   $100$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 
Steering-wheel-mounted transmission controls$100$100$100  $100$100
Total Value of Features$4,405$6,305$6,530$15,515$16,315$15,465$16,415
Value of Feature Adjustments$0$1,900$2,125$11,110$11,910$11,060$12,010
Value of Feature Adjustments0-1,769-1,980-10,348-11,097-10,305-11,184

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

Model Year20082008
ModelA6 / S6SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase111.9 in100.8 in
Length193.5 in178.5 in
Width73.1 in71.5 in
Height57.5 in51.0 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 ft37.3 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
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
Auto-dimming rearview mirror150Yes
Xenon HID headlights500Yes
Total Requested142551%
Total Not Requested137549%
Technology Package
FeatureValueRequested?
Navigation system600Yes
Tilt/telescoping steering wheel, power100Yes
Universal garage door opener100Yes
Steering-linked headlights150No
Obstacle detection, rear250Yes
Rearview camera200No
Proximity key250Yes
Voice control for nav and audio100Yes
Total Requested140080%
Total Not Requested35020%

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%
Premium I Package
FeatureValueRequested?
Cooled or ventilated front seats300No
Cornering lights50No
Proximity key250Yes
Power 4-way lumbar adjuster, driver seat50Yes
Power seatback bolsters, driver100No
Power 4-way lumbar adjuster, passenger seat50Yes
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Total Requested45045%
Total Not Requested55055%

Option Package Details
Mercedes-Benz SL SL600

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

Option Package Details
Mercedes-Benz SL SL55 AMG

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

Option Package Details
Mercedes-Benz SL SL65 AMG

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

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