Mercedes-Benz SL Mercedes-Benz SL 2009 Audi A6 / S6 Audi A6 / S6 2013

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $77,720

Audi A6 / S6 S6 4.0 TFSI   
Difference: $30,775

Lowest Total Invoice: $72,346

Audi A6 / S6 S6 4.0 TFSI   
Difference: $28,707

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092009200920092013
ModelSLSLSLSLA6 / S6
TrimSL550SL600SL63 AMGSL65 AMGS6 4.0 TFSI
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Base Price $98,500 $139,100 $135,000 $194,700 $71,900
Base Invoice $91,605 $129,363 $125,550 $181,071 $66,868
Premium I Package 3,750        
Obstacle detection, rear 1,140   1,140    
Illuminated door sill trim plates 700 700 700 700  
Adaptive cruise control 2,230 2,230 2,230 2,230  
Wood trim     0 0  
Comfort Seating Package         1,950
Driver Assistance Package         2,500
Metallic paint (extra cost)         475
Premium I Package 3,488        
Obstacle detection, rear 1,060   1,060    
Illuminated door sill trim plates 651 651 651 651  
Adaptive cruise control 2,074 2,074 2,074 2,074  
Wood trim     0 0  
Comfort Seating Package         1,813
Driver Assistance Package         2,327
Metallic paint (extra cost)         443
Options (change) 7,820 2,930 4,070 2,930 4,925
Options (change) 7,273 2,725 3,785 2,725 4,583
Destination 875 875 875 875 895
Gas Tax 1,300 2,600 2,600 2,600 0
Total Price $108,495 $145,505 $142,545 $201,105 $77,720
Total Invoice $101,053 $135,563 $132,810 $187,271 $72,346

Return to top

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

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

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

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $26,250
TrueDelta Adjusted Invoice Difference: $24,492
Model Year20092009200920092013
ModelSLSLSLSLA6 / S6
TrimSL550SL600SL63 AMGSL65 AMGS6 4.0 TFSI
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Engine382hp V8510hp V12518hp V8604hp V12420hp V8
TransmissionT7T5T7T5S7
DrivetrainRWDRWDRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)510, 10510, 10510, 10510, 10630, 14
Tire (rear if not all the same)255/40-18255/40-18255/35-19255/35-19255/40-19
Total Price$108,495$145,505$142,545$201,105$77,720
Adjustments for Features-4,525-5,475-4,525-5,5750
Feature-Adjusted Total Price$103,970$140,030$138,020$195,530$77,720
Cost Above Minimum$0$36,060$34,050$91,560$0
Total Invoice$101,053$135,563$132,810$187,271$72,346
Adjustments for Features-4,215-5,101-4,216-5,1910
Feature-Adjusted Total Invoice$96,838$130,462$128,594$182,080$72,346
Cost Above Minimum$0$33,624$31,756$85,242$0

Return to top

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

Model Year20092009200920092013
ModelSLSLSLSLA6 / S6
TrimSL550SL600SL63 AMGSL65 AMGS6 4.0 TFSI
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200 $1200  
5-speed manually-shiftable automatic $1000 $1000 
7-speed automated manual    $1200
RWD$0$0$0$0 
AWD    $1700
Accessories 
Adaptive cruise control$600$600$600$600 
Adaptive cruise control, all-speed    $850
Power rear side windows    $200
Power trunk closer$350$350 $350 
Proximity key$250$250 $250$250
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
Glass roof panel(s) $300 $300 
Power retractable hardtop$6750$6750$6750$6750 
Sunroof    $900
Infotainment 
Bluetooth audio streaming    $25
CD changer, in-dash$325$325$325$325 
CD player    $125
Handwriting recognition    $200
HD radio    $50
In-vehicle Internet    $150
SD Card slot$25$25$25$25 
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
Seats and Interior Trim 
Center armrest(s), second row    $50
Cooled or ventilated front seats$300$300 $300$300
Folding second row seats    $300
Leather door panel trim$250$250$250$250 
Leather-wrapped steering wheel$150   $150
Massage, driver seat $100$100$100$100
Massage, passenger seat $100$100$100$100
Neck-level heating, front seats$150$150 $150 
No leather in second row$-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 
Launch control  $100  
Steering-wheel-mounted transmission controls  $100$100$100
Total Value of Features$16,265$17,215$16,265$17,315$11,740
Value of Feature Adjustments$4,525$5,475$4,525$5,575$0
Value of Feature Adjustments-4,215-5,101-4,216-5,1910

Return to top

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

Model Year20092013
ModelSLA6 / S6
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.3,727 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

Return to top

Option Package Details
Mercedes-Benz SL SL550

Premium I Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power decklid350No
Proximity key250Yes
Neck-level heating, front seats150No
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 Requested95066%
Total Not Requested50034%

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 seat100Yes
Massage, passenger seat100Yes
Total Requested105084%
Total Not Requested20016%
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%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Convertibles
See TrueDelta's information for all Mercedes-Benz models.