Audi A6 / S6 Audi A6 / S6 2018 Mercedes-Benz GL Mercedes-Benz GL 2009

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Audi A6 / S6 vs. Mercedes-Benz GL 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 GL Invoice Comparison

Lowest Total Price: $76,150

Audi A6 / S6 S6 4.0 TFSI   
Difference: $7,145

Lowest Total Invoice: $70,893

Audi A6 / S6 S6 4.0 TFSI   
Difference: $6,633

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182009
ModelA6 / S6GL
TrimS6 4.0 TFSIGL550
Body4dr Sedan4dr SUV
Base Price $71,900 $81,300
Base Invoice $66,868 $75,609
Cold Weather Package 500  
Comfort Seating Package 1,850  
Metallic paint (extra cost) 575  
Rear side airbags 350  
Illuminated door sill trim plates   570
Heated steering wheel   0
Cooled or ventilated front seats   550
Cold Weather Package 467  
Comfort Seating Package 1,722  
Metallic paint (extra cost) 536  
Rear side airbags 325  
Illuminated door sill trim plates   530
Heated steering wheel   0
Cooled or ventilated front seats   512
Options (change) 3,275 1,120
Options (change) 3,050 1,042
Destination 975 875
Total Price $76,150 $83,295
Total Invoice $70,893 $77,526

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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 GL dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Audi A6 / S6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $4,590
TrueDelta Adjusted Invoice Difference: $4,255
Model Year20182009
ModelA6 / S6GL
TrimS6 4.0 TFSIGL550
Body4dr Sedan4dr SUV
Engine450hp V8382hp V8
TransmissionS7T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)630, 14440, 12
Tire (rear if not all the same)255/35-20295/40-21
Total Price$76,150$83,295
Adjustments for Features0-2,555
Feature-Adjusted Total Price$76,150$80,740
Total Invoice$70,893$77,526
Adjustments for Features0-2,378
Feature-Adjusted Total Invoice$70,893$75,148

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

Model Year20182009
ModelA6 / S6GL
TrimS6 4.0 TFSIGL550
Body4dr Sedan4dr SUV
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
AWD$1700$1700
Accessories 
AC power outlet $100
Power flip-out rear side windows $125
Power liftgate $350
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Blind spot warning system$200 
Brake- or yaw-sensor-initiated collision preparation system $0
Collision preparation system, rear$100 
Hill descent control $250
Knee airbag, driver$75 
Knee airbag, passenger$75 
Secondary collision brake assist$25 
Side curtain airbags$350 
Side curtain airbags, three rows $500
Trailer sway control $25
Cargo Management 
Cargo area partition net $40
Cargo cover $75
Cargo net$40 
Console with shifter$150 
Console without shifter $150
Rear seat pass-through$100 
Roof rails $250
Climate Control 
Automatic air recirculation$100 
Rear dual-zone climate control$125 
Rear HVAC unit $400
Rear wiper $175
Engine / Motor 
Automatic start / stop$150 
Dual-mode exhaust, switchable$500 
Regenerative braking$0 
Exterior 
Bodyside moldings $75
Deep-tinted rear windows $275
Glass roof panel(s) $300
Laminated front side windows$200 
Rear bumper protector $40
Running boards $350
Wheel-lip moldings $75
Infotainment 
4G LTE connectivity$0 
Android Auto support$100 
Apple CarPlay support$100 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD player$125 
Handwriting recognition$200 
In-vehicle Internet$150 
iPod integration $100
Telematics service, such as OnStar $200
Traffic + travel information$25 
Traffic information $25
USB port$25 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Cornering lights $50
Fog lights $125
Headlight washers $50
LED headlights$1000 
Steering-linked headlights $150
Xenon HID headlights $500
Seats and Interior Trim 
Leather seating surfaces, third-row seats $200
Manual recliner, second row seats $75
Massage, driver seat$100 
Massage, passenger seat$100 
Metal pedals$75 
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Power-folding third row seats $1000
Upholstered instrument panel $300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Electronic systems calibration selector$200 
Sport suspension (upgrade)$0 
Total Value of Features$7,640$10,195
Value of Feature Adjustments$0$2,555
Value of Feature Adjustments0-2,378

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

Model Year20182009
ModelA6 / S6GL
Body4dr Sedan4dr SUV
Wheelbase114.6 in121.1 in
Length194.2 in200.6 in
Width73.8 in76.0 in
Height57.8 in72.4 in
Curb Weight3,804 lb.5,281 lb.
Fuel Capacity19.8 gal.26.0 gal.
Row 1 Headroom37.2 in40.1 in
Row 1 Shoulder Room57.5 in58.3 in
Row 1 Legroom41.3 in40.3 in
Row 2 Headroom37.8 in40.6 in
Row 2 Shoulder Room56.3 in58.9 in
Row 2 Legroom37.4 in39.5 in
Row 3 Headroom0.0 in38.2 in
Row 3 Shoulder Room0.0 in50.5 in
Row 3 Legroom0.0 in34.2 in
Cargo Volume,
Minimum
14.1 ft314.3 ft3
Cargo Volume,
Behind R2
14.143.8 ft3
Cargo Volume,
Maximum
14.183.3 ft3

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Option Package Details
Audi A6 / S6 S6 4.0 TFSI

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
Comfort Seating Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power thigh support length adjuster, driver seat100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh support length 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%

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