Audi A6 / S6 Audi A6 / S6 2018 Mercedes-Benz R-Class Mercedes-Benz R-Class 2008

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Audi A6 / S6 vs. Mercedes-Benz R-Class 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 R-Class Invoice Comparison

Lowest Total Price: $61,960

Mercedes-Benz R-Class R350 / R320   
Difference: $13,590

Lowest Total Invoice: $57,683

Mercedes-Benz R-Class R350 / R320   
Difference: $12,652

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182008
ModelA6 / S6R-Class
TrimS6 4.0 TFSIR350 / R320
Body4dr Sedan4dr SUV
Base Price $71,900 $42,100
Base Invoice $66,868 $39,153
Cold Weather Package 500  
Metallic paint (extra cost) 575 710
Rear side airbags 350  
Wood trim, alternative type 1,250  
Premium III Package   11,250
Full Leather Seating Package   2,200
Heating Package   1,370
Lighting Package   910
Proximity key   1,110
Illuminated door sill trim plates   550
Voice control for nav and audio   510
iPod integration   375
Cold Weather Package 467  
Metallic paint (extra cost) 536 660
Rear side airbags 325  
Wood trim, alternative type 1,164  
Premium III Package   10,462
Full Leather Seating Package   2,046
Heating Package   1,274
Lighting Package   846
Proximity key   1,032
Illuminated door sill trim plates   512
Voice control for nav and audio   474
iPod integration   349
Options (change) 2,675 18,985
Options (change) 2,492 17,655
Destination 975 875
Total Price $75,550 $61,960
Total Invoice $70,335 $57,683

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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 R-Class dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz R-Class R350 / R320
TrueDelta Adjusted Price Difference: $12,940
TrueDelta Adjusted Invoice Difference: $12,047
Model Year20182008
ModelA6 / S6R-Class
TrimS6 4.0 TFSIR350 / R320
Body4dr Sedan4dr SUV
Engine450hp V8268hp V6
TransmissionS7T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)630, 14440, 12
Tire (rear if not all the same)255/35-20255/55-18
Total Price$75,550$61,960
Adjustments for Features-6500
Feature-Adjusted Total Price$74,900$61,960
Total Invoice$70,335$57,683
Adjustments for Features-6050
Feature-Adjusted Total Invoice$69,730$57,683

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

Model Year20182008
ModelA6 / S6R-Class
TrimS6 4.0 TFSIR350 / R320
Body4dr Sedan4dr SUV
Transmission and Drivetrain 
7-speed automated manual$1200 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
Accessories 
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 
Collision preparation system, rear$100 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Secondary collision brake assist$25 
Side curtain airbags$350 
Side curtain airbags, three rows $500
Cargo Management 
Cargo cover $75
Console with shifter$150 
Console without shifter $150
Rear seat pass-through$100 
Climate Control 
Automatic air recirculation$100 
Heated windshield washer nozzles$15 
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 
Body kit $0
Bodyside moldings $75
Deep-tinted rear windows $275
Laminated front side windows$200 
Panoramic sunroof $1200
Rear bumper protector $40
Rear spoiler $200
Sunroof$900 
Infotainment 
4G LTE connectivity$0 
Android Auto support$100 
Apple CarPlay support$100 
Bluetooth audio streaming$25 
DVD-compatible player$0 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
iPod integration $100
Media drive$15 
MP3-compatible player$50 
Rear seat audio controls $25
SD Card slot$25 
Telematics service, such as OnStar $200
Traffic + travel 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 
Folding third row seats $600
Leather seating surfaces, third-row seats $200
Leather-wrapped steering wheel$150 
Manual fore-aft adjuster, second row seats $75
Manual lumbar adjuster, driver seat $50
Manual recliner, second row seats $75
Manual recliner, third row seats $125
Memory system, passenger seat $150
Metal pedals$75 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Wood/leather-wrapped steering wheel $150
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Electronic systems calibration selector$200 
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$8,680$8,030
Value of Feature Adjustments$650$0
Value of Feature Adjustments-6050

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

Model Year20182008
ModelA6 / S6R-Class
Body4dr Sedan4dr SUV
Wheelbase114.6 in126.6 in
Length194.2 in203.0 in
Width73.8 in75.7 in
Height57.8 in65.4 in
Curb Weight3,804 lb.4,830 lb.
Fuel Capacity19.8 gal.25.1 gal.
Row 1 Headroom37.2 in39.8 in
Row 1 Shoulder Room57.5 in60.3 in
Row 1 Legroom41.3 in39.8 in
Row 2 Headroom37.8 in40.4 in
Row 2 Shoulder Room56.3 in59.6 in
Row 2 Legroom37.4 in36.2 in
Row 3 Headroom0.0 in37.2 in
Row 3 Shoulder Room0.0 in52.8 in
Row 3 Legroom0.0 in32.4 in
Cargo Volume,
Minimum
14.1 ft315.3 ft3
Cargo Volume,
Behind R2
14.142.2 ft3
Cargo Volume,
Maximum
14.185.0 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%

Option Package Details
Mercedes-Benz R-Class R350 / R320

Premium III Package
FeatureValueRequested?
Adaptive shocks - electrical500No
Air suspension, auto-leveling and height adjustable650Yes
Rear HVAC unit400No
Rear air vents with automatic controls150Yes
Cargo net40Yes
Variable assist steering (optional)0No
Heat-reflective glass0No
Memory system, passenger seat150No
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Rearview camera200Yes
Auto-dimming driver-side mirror75Yes
Power-folding mirrors50Yes
Navigation system600Yes
Mirror tilt-down in reverse25Yes
Tilt/telescoping steering wheel, power100Yes
Power headrest height adjuster, driver seat50No
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power headrest height adjuster, passenger seat50No
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Satellite radio200Yes
Telematics service, such as OnStar200No
Bluetooth cell phone link100Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Power liftgate300No
Surround sound250Yes
Panoramic sunroof1200No
Rear seat audio controls25No
Power flip-out rear side windows125No
Harman/Kardon, 440W, 12 speakers (with subwoofer)350No
Total Requested359052%
Total Not Requested335048%
Full Leather Seating Package
FeatureValueRequested?
Leather seating surfaces900Yes
Wood/leather-wrapped steering wheel0No
Interior ambient lighting150Yes
Wood trim, alternative type300Yes
Upholstered door panels, leather250Yes
Leather seating surfaces, third-row seats200No
Total Requested160089%
Total Not Requested20011%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested500100%
Total Not Requested00%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50067%
Total Not Requested25033%

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