Mercedes-Benz SL Mercedes-Benz SL 2012 Audi A6 Audi A6 2012

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Mercedes-Benz SL vs. Audi A6 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 Invoice Comparison

Lowest Total Price: $61,630

Audi A6 3.0T   
Difference: $48,375

Lowest Total Invoice: $57,381

Audi A6 3.0T   
Difference: $45,076

Calculate Payments

  Down Payment Interest Rate Term
Model Year201220122012
ModelSLSLA6
TrimSL550SL63 AMG3.0T
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Base Price $103,650 $140,440 $49,900
Base Invoice $96,395 $130,609 $46,408
Obstacle detection, rear 1,180 1,180  
Illuminated door sill trim plates 700 1,000  
Adaptive cruise control 2,300 2,300  
Wood trim   0  
Sport Package     1,000
Prestige Package     6,880
Driver Assistance Package     2,500
Metallic paint (extra cost)     475
Obstacle detection, rear 1,097 1,097  
Illuminated door sill trim plates 651 930  
Adaptive cruise control 2,139 2,139  
Wood trim   0  
Sport Package     930
Prestige Package     6,398
Driver Assistance Package     2,327
Metallic paint (extra cost)     443
Options (change) 4,180 4,480 10,855
Options (change) 3,887 4,166 10,098
Destination 875 875 875
Gas Tax 1,300 2,600 0
Total Price $110,005 $148,395 $61,630
Total Invoice $102,457 $138,250 $57,381

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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 Mercedes-Benz SL dealer quotes or Audi A6 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Audi A6 3.0T
TrueDelta Adjusted Price Difference: $40,550
TrueDelta Adjusted Invoice Difference: $37,788
Model Year201220122012
ModelSLSLA6
TrimSL550SL63 AMG3.0T
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Engine382hp V8518hp V8310hp V6
TransmissionT7T7T8
DrivetrainRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)510, 10510, 10630, 14
Tire (rear if not all the same)255/40-18255/35-19245/45-18
Total Price$110,005$148,395$61,630
Adjustments for Features-7,825-8,8750
Feature-Adjusted Total Price$102,180$139,520$61,630
Cost Above Minimum$0$37,340$0
Total Invoice$102,457$138,250$57,381
Adjustments for Features-7,288-8,2680
Feature-Adjusted Total Invoice$95,169$129,982$57,381
Cost Above Minimum$0$34,813$0

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Features Comparison: Mercedes-Benz SL vs. Audi A6

Model Year201220122012
ModelSLSLA6
TrimSL550SL63 AMG3.0T
Body2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200 
8-speed manually-shiftable automatic  $1300
RWD$0$0 
AWD  $1700
Accessories 
Adaptive cruise control$600$600 
Adaptive cruise control, all-speed  $850
Power rear side windows  $200
Power trunk closer$350$350 
Remote window/roof operation$15$15 
Wind blocker, small$100$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0 
Auto-raising roll bars / headrests$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 
Cargo net  $40
Rear seat pass-through  $100
Storage compartment under front seat(s)$50$50 
Climate Control 
Rear air vents with automatic controls  $250
Rear dual-zone climate control  $125
Wiper de-icer$25$25 
Engine / Motor 
Regenerative braking  $0
Exterior 
Body kit $0$0
Power retractable hardtop$6750$6750 
Sunroof  $900
Infotainment 
Bluetooth audio streaming  $25
CD changer, in-dash$325$325 
CD changer, remote  $200
CD player  $125
Handwriting recognition  $200
In-vehicle Internet  $150
SD Card slot$25$25 
Telematics service, such as OnStar$200$200 
Traffic + travel information  $25
Traffic information$25$25 
Wi-Fi hotspot  $50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror  $75
Compass  $0
Fog lights$125$125 
Headlight washers$50$50 
Power-folding mirrors  $50
Seats and Interior Trim 
Center armrest(s), second row  $50
Folding second row seats  $300
Leather door panel trim$250$250 
Leather-wrapped steering wheel$150 $150
Massage, driver seat $100 
Massage, passenger seat $100 
Memory system, passenger seat$150$150 
Metal pedals$75$75 
Neck-level heating, front seats$150$150 
No leather in second row$-300$-300 
Power headrest height adjuster, driver seat$50$50 
Power headrest height adjuster, passenger seat$50$50 
Power seatback bolsters, driver seat$100$100 
Power seatback bolsters, passenger seat$100$100 
Power thigh support length adjuster, driver seat$100$100 
Power thigh support length adjuster, passenger seat$100$100 
Synthetic suede headliner $650 
Synthetic suede steering wheel $150 
Upholstered instrument panel, leather$1000$1000 
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000$4000 
Electronic systems calibration selector  $200
Sport suspension (upgrade) $0$0
Transmission 
Launch control $100 
Steering-wheel-mounted transmission controls $100$100
Total Value of Features$16,365$17,415$8,540
Value of Feature Adjustments$7,825$8,875$0
Value of Feature Adjustments-7,288-8,2680

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Specifications Comparison: Mercedes-Benz SL vs. Audi A6

Model Year20122012
ModelSLA6
Body2dr Hardtop conv.4dr Sedan
Wheelbase100.8 in114.7 in
Length180.4 in193.9 in
Width71.5 in73.8 in
Height51.1 in57.8 in
Curb Weight4,221 lb.3,683 lb.
Fuel Capacity21.1 gal.19.8 gal.
Row 1 Headroom37.7 in37.2 in
Row 1 Shoulder Room54.0 in57.5 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 in56.3 in
Row 2 Legroom0.0 in37.4 in
Cargo Volume,
Minimum
7.2 ft314.1 ft3
Cargo Volume,
Maximum
10.2 ft314.1 ft3

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Option Package Details
Audi A6 3.0T

Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Steering-wheel-mounted transmission controls100Yes
245/45HR18 tires400No
Total Requested35047%
Total Not Requested40053%
Prestige Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Cooled or ventilated front seats300Yes
Steering-linked headlights150Yes
Body kit0Yes
Surround sound250Yes
Interior lights, additional0No
Cornering lights50Yes
Proximity key250Yes
Sport front fascia (optional)0No
Rear dual-zone climate control125No
Sport rear fascia, e.g. diffuser (optional)0No
Illuminated door sill trim plates100Yes
Bose, 630W, 14 speakers (with subwoofer)350No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50No
Navigation system600Yes
Handwriting recognition200No
CD changer, remote200Yes
Xenon HID headlights500Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200No
Auto-dimming driver-side mirror75Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Auto-dimming passenger-side mirror75No
HD radio50Yes
Media drive, large15Yes
245/45HR18 tires400No
Total Requested314067%
Total Not Requested157533%
Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Forward collision warning200No
Power-folding mirrors50No
Blind spot warning system200No
Collision preparation system, rear only100No
Total Requested00%
Total Not Requested1450100%

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