Audi A6 / S6 Audi A6 / S6 2013 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: $77,720

Audi A6 / S6 S6 4.0 TFSI   
Difference: $26,765

Lowest Total Invoice: $72,346

Audi A6 / S6 S6 4.0 TFSI   
Difference: $24,977

Calculate Payments

  Down Payment Interest Rate Term
Model Year20132008200820082008
ModelA6 / S6SLSLSLSL
TrimS6 4.0 TFSISL550SL600SL55 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $71,900 $95,300 $133,200 $129,300 $187,200
Base Invoice $66,868 $88,629 $123,876 $120,249 $174,096
Comfort Seating Package 1,950        
Driver Assistance Package 2,500        
Metallic paint (extra cost) 475        
Premium I Package   3,170   2,500  
Obstacle detection, rear   1,130 1,130 1,130 1,130
Voice control for nav and audio   510 510 510 510
Adaptive cruise control   2,200 2,200 2,200 2,200
Wood trim       0 0
Comfort Seating Package 1,813        
Driver Assistance Package 2,327        
Metallic paint (extra cost) 443        
Premium I Package   2,948   2,325  
Obstacle detection, rear   1,051 1,051 1,051 1,051
Voice control for nav and audio   474 474 474 474
Adaptive cruise control   2,046 2,046 2,046 2,046
Wood trim       0 0
Options (change) 4,925 7,010 3,840 6,340 3,840
Options (change) 4,583 6,519 3,571 5,896 3,571
Destination 895 875 875 875 875
Gas Tax 0 1,300 2,600 2,600 2,600
Total Price $77,720 $104,485 $140,515 $139,115 $194,515
Total Invoice $72,346 $97,323 $130,922 $129,620 $181,142

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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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Request free, no-obligation Audi A6 / S6 dealer quotes or Mercedes-Benz SL dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $23,180
TrueDelta Adjusted Invoice Difference: $21,638
Model Year20132008200820082008
ModelA6 / S6SLSLSLSL
TrimS6 4.0 TFSISL550SL600SL55 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine420hp V8382hp V8510hp V12510hp V8604hp V12
TransmissionS7T7T5T5T5
DrivetrainAWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14250, 8250, 8250, 8250, 8
Tire (rear if not all the same)255/40-19255/40-18255/40-18255/35-19255/35-19
Total Price$77,720$104,485$140,515$139,115$194,515
Adjustments for Features0-3,585-4,385-4,135-4,485
Feature-Adjusted Total Price$77,720$100,900$136,130$134,980$190,030
Cost Above Minimum$0$0$35,230$34,080$89,130
Total Invoice$72,346$97,323$130,922$129,620$181,142
Adjustments for Features0-3,339-4,086-3,853-4,177
Feature-Adjusted Total Invoice$72,346$93,984$126,836$125,767$176,965
Cost Above Minimum$0$0$32,852$31,783$82,981

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

Model Year20132008200820082008
ModelA6 / S6SLSLSLSL
TrimS6 4.0 TFSISL550SL600SL55 AMGSL65 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200    
7-speed manually-shiftable automatic $1200   
5-speed manually-shiftable automatic  $1000$1000$1000
AWD$1700    
RWD $0$0$0$0
Accessories 
Adaptive cruise control $600$600$600$600
Adaptive cruise control, all-speed$850    
Power rear side windows$200    
Power trunk closer  $350 $350
Remote window/roof operation $15$15$15$15
Wind blocker, small $100$100$100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0$0$0
Auto-raising roll bars / headrests $500$500$500$500
Automatic braking, low-speed$200    
Blind spot warning system$200    
Collision preparation system, rear$100    
Forward collision warning$200    
Knee airbag, passenger$75    
Radar- or camera-based collision preparation system$0    
Rearview camera$200    
Rollover sensor$50    
Side curtain airbags$350    
Cargo Management 
Air-conditioned storage compartment $50$50$50$50
Cargo net$40    
Rear seat pass-through$100    
Storage compartment under front seat(s) $50$50$50$50
Climate Control 
Rear air vents with automatic controls$250    
Rear dual-zone climate control$125    
Wiper de-icer $25$25$25$25
Drivetrain 
Active rear differential$500    
Engine / Motor 
Dual-mode exhaust, switchable$500    
Regenerative braking$0    
Exterior 
Body kit$0  $0$0
Power retractable hardtop $6750$6750$6750$6750
Sunroof$900    
Infotainment 
Aux input$50    
Bluetooth audio streaming$25    
CD changer, remote $200$200$200$200
DVD-compatible player$0    
Handwriting recognition$200    
HD radio$50    
In-vehicle Internet$150    
iPod integration$100    
Media drive$15    
Telematics service, such as OnStar $200$200$200$200
Traffic + travel information$25    
Wi-Fi hotspot$50    
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75    
Compass$0    
Fog lights $125$125$125$125
Headlight washers $50$50$50$50
Power-folding mirrors$50    
Steering-linked headlights$150    
Seats and Interior Trim 
Center armrest(s), second row$50    
Door sill trim plates $100$100$100$100
Folding second row seats$300    
Illuminated door sill trim plates$200    
Leather door panel trim $250$250$250$250
Leather-wrapped steering wheel$150$150   
Massage, driver seat$100    
Massage, passenger seat$100    
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 thigh bolsters, driver seat$100    
Power thigh bolsters, passenger seat$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 dampers - electrical$500    
Adaptive hydraulic struts, auto-leveling and ht. adjustable $4000$4000$4000$4000
Air suspension, auto-leveling and height adjustable$1000    
Electronic systems calibration selector$200    
Sport suspension (upgrade)$0  $0$0
Transmission 
Steering-wheel-mounted transmission controls$100  $100$100
Total Value of Features$11,580$15,165$15,965$15,715$16,065
Value of Feature Adjustments$0$3,585$4,385$4,135$4,485
Value of Feature Adjustments0-3,339-4,086-3,853-4,177

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See a complete comparison of Audi A6 / S6 vs. Mercedes-Benz SL features.

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

Model Year20132008
ModelA6 / S6SL
Body4dr Sedan2dr Hardtop conv.
Wheelbase114.7 in100.8 in
Length193.9 in178.5 in
Width73.8 in71.5 in
Height57.8 in51.0 in
Curb Weight3,727 lb.4,221 lb.
Fuel Capacity19.8 gal.21.1 gal.
Row 1 Headroom37.2 in37.7 in
Row 1 Shoulder Room57.5 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 Room56.3 in0.0 in
Row 2 Legroom37.4 in0.0 in
Cargo Volume,
Minimum		14.1 ft37.3 ft3
Cargo Volume,
Maximum		14.110.2 ft3

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See a complete comparison of Audi A6 / S6 vs. Mercedes-Benz SL specs.

Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh support adjuster, passenger seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Memory system, passenger seat150Yes
Massage, driver seat100No
Massage, passenger seat100No
Total Requested85068%
Total Not Requested40032%
Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Forward collision alert200No
Power-folding mirrors50No
Blind spot warning system200No
Collision preparation system, rear only100No
Total Requested00%
Total Not Requested1450100%

Option Package Details
Mercedes-Benz SL SL550

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Premium I Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Cornering lights50Yes
Proximity key250Yes
Power 4-way lumbar adjuster, driver seat50Yes
Power seatback bolsters, driver100Yes
Power 4-way lumbar adjuster, passenger seat50Yes
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Total Requested1000100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL600

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL55 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%
Premium I Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Cornering lights50Yes
Proximity key250Yes
Total Requested600100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SL SL65 AMG

Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Total Requested400100%
Total Not Requested00%

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