Audi A8 / S8 Audi A8 / S8 2009 Mercedes-Benz GLS Mercedes-Benz GLS 2017

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Audi A8 / S8 vs. Mercedes-Benz GLS 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 A8 / S8 vs. Mercedes-Benz GLS Invoice Comparison

Lowest Total Price: $126,525

Audi A8 / S8 A8 L W12   
Difference: $830

Lowest Total Invoice: $117,846

Audi A8 / S8 A8 L W12   
Difference: $659

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092017
ModelA8 / S8GLS
TrimA8 L W12AMG GLS63
Body4dr Sedan, ext.4dr SUV
Base Price $120,100 $124,100
Base Invoice $111,693 $115,413
Upholstered instrument panel, leather 3,900  
Sunshades, second row   380
Wood/leather-wrapped steering wheel   0
Entertainment system with dual headrest screens   1,950
Upholstered instrument panel, leather 3,628  
Sunshades, second row   353
Wood/leather-wrapped steering wheel   0
Entertainment system with dual headrest screens   1,814
Options (change) 3,900 2,330
Options (change) 3,628 2,167
Destination 825 925
Gas Tax 1,700 0
Total Price $126,525 $127,355
Total Invoice $117,846 $118,505

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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 A8 / S8 dealer quotes or Mercedes-Benz GLS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A8 / S8 vs. Mercedes-Benz GLS

Lowest Adjusted Price and Invoice: Mercedes-Benz GLS AMG GLS63
TrueDelta Adjusted Price Difference: $7,940
TrueDelta Adjusted Invoice Difference: $7,502
Model Year20092017
ModelA8 / S8GLS
TrimA8 L W12AMG GLS63
Body4dr Sedan, ext.4dr SUV
Engine450hp W12550hp V8
TransmissionT6T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)13/19 MPG13/17 MPG
Audio (watts, speakers)200, 12830, 14
Tire (rear if not all the same)255/40-19295/40-21
Total Price$126,525$127,355
Adjustments for Features0-8,770
Feature-Adjusted Total Price$126,525$118,585
Total Invoice$117,846$118,505
Adjustments for Features0-8,161
Feature-Adjusted Total Invoice$117,846$110,344

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Features Comparison: Audi A8 / S8 vs. Mercedes-Benz GLS

Model Year20092017
ModelA8 / S8GLS
TrimA8 L W12AMG GLS63
Body4dr Sedan, ext.4dr SUV
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
AWD$1700$1700
Accessories 
AC power outlet $100
Adaptive cruise control, all-speed $850
Cruise control$150 
Heated / cooled cup holders, front row $75
Power flip-out rear side windows $125
Power liftgate $350
Power trunk closer$350 
Remote app $25
Remote climate control $25
Remote start via app $75
Semi-automated parking system $500
Sunshade, rear, power$225 
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Blind spot collision prevention $150
Blind spot warning system $200
Driver drowsiness monitor $150
Forward collision warning $200
Full-size spare tire$225 
Hill descent control $250
Knee airbag, passenger$75 
Lane departure prevention $150
Lane departure warning $200
Radar- or camera-based collision preparation system $0
Rearview camera$200 
Rollover sensor $50
Side curtain airbags$350 
Side curtain airbags, three rows $500
Temporary spare tire $150
Trailer sway control $25
Cargo Management 
Aluminum roof rails $250
Cargo cover $75
Cargo net $40
Console with shifter$150 
Console without shifter $150
Rear seat pass-through$100 
Second-row high console$250 
Ski sack$50 
Climate Control 
Rear dual-zone climate control$125 
Rear HVAC unit $400
Rear wiper $175
Residual heat$50 
Engine / Motor 
Automatic start / stop $150
Exterior 
Bodyside moldings$75 
Deep-tinted rear windows $275
Glass roof panel(s) $300
Panoramic sunroof $1200
Rear bumper protector $40
Rear spoiler $200
Running boards $350
Sunroof$900 
Wheel-lip moldings $75
Infotainment 
Android Auto support $100
App support $0
Apple CarPlay support $100
Bluetooth audio streaming $25
CD changer, remote$200 
CD player $125
DVD-compatible player $0
Entertainment system with dual headrest screens $1200
Entertainment system, console-mounted$1000 
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Media drive $15
MP3-compatible player $50
Navigation map updates, three years $0
SD Card slot $25
SMS text-to-speech reader $25
Telematics service, such as OnStar, with navigation $225
Traffic + travel information $25
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Adaptive headlights $200
Analog clock $25
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Compass $0
Cornering lights$50 
Fog lights$125 
Headlight washers$50 
Illuminated vanity mirrors, rear seat$100 
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
LED headlights $1000
Steering-linked headlights$150 
Xenon HID headlights$500 
Seats and Interior Trim 
Door sill trim plates$100 
Folding second row seats $300
Illuminated door sill trim plates $200
Leather seating surfaces, third-row seats $200
Manual recliner, second row seats $75
Power 4-way lumbar adjuster, second row seats$225 
Power recliner, second row seats$150 
Power release, second row seats $50
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power tilt adjuster, second row seats$150 
Power upper seatback recliner, driver seat$100 
Power upper seatback recliner, passenger seat$100 
Power-folding third row seats $1000
Suspension, Wheels, and Tires 
Active stabilizer bars $500
Crosswind stabilization $50
Electronic systems calibration selector $200
Sport suspension (upgrade) $0
Total Value of Features$9,400$18,170
Value of Feature Adjustments$0$8,770
Value of Feature Adjustments0-8,161

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Specifications Comparison: Audi A8 / S8 vs. Mercedes-Benz GLS

Model Year20092017
ModelA8 / S8GLS
Body4dr Sedan, ext.4dr SUV
Wheelbase121.0 in121.1 in
Length204.4 in202.0 in
Width74.6 in76.1 in
Height57.3 in72.8 in
Curb Weight4,697 lb.5,754 lb.
Fuel Capacity23.8 gal.26.4 gal.
Row 1 Headroom37.4 in41.2 in
Row 1 Shoulder Room59.1 in58.5 in
Row 1 Legroom41.3 in40.3 in
Row 2 Headroom38.3 in40.0 in
Row 2 Shoulder Room57.5 in58.3 in
Row 2 Legroom42.3 in38.5 in
Row 3 Headroom0.0 in38.9 in
Row 3 Shoulder Room0.0 in50.5 in
Row 3 Legroom0.0 in35.0 in
Cargo Volume,
Minimum
14.6 ft316.0 ft3
Cargo Volume,
Behind R2
14.649.4 ft3
Cargo Volume,
Maximum
14.693.8 ft3

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