Audi A6 / S6 / RS6 Audi A6 / S6 / RS6 2018 Mercedes-Benz CLS Mercedes-Benz CLS 2018

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Audi A6 / S6 / RS6 vs. Mercedes-Benz CLS 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 / RS6 vs. Mercedes-Benz CLS Invoice Comparison

Lowest Total Price: $80,650

Audi A6 / S6 / RS6 S6 4.0 TFSI   
Difference: $6,720

Lowest Total Invoice: $75,079

Audi A6 / S6 / RS6 S6 4.0 TFSI   
Difference: $6,247

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182018
ModelA6 / S6 / RS6CLS
TrimS6 4.0 TFSICLS550
Body4dr Sedan4dr Sedan
Base Price $71,900 $75,150
Base Invoice $66,868 $69,890
Driver Assistance Package 2,000 2,250
Comfort Seating Package 1,850  
Cold Weather Package 500  
Prestige Package 2,500  
Metallic paint (extra cost) 575  
Rear side airbags 350  
AMG Line   260
Alloy wheels, optional design   500
Adaptive multicontour driver seat   660
Premium Package   3,900
Parking Assist Package   1,290
Folding second row seats   440
Heated second row seats   625
Special order charge   250
Illuminated door sill trim plates   800
Heated steering wheel   250
Driver Assistance Package 1,860 2,093
Comfort Seating Package 1,722  
Cold Weather Package 467  
Prestige Package 2,326  
Metallic paint (extra cost) 536  
Rear side airbags 325  
AMG Line   242
Alloy wheels, optional design   465
Adaptive multicontour driver seat   614
Premium Package   3,627
Parking Assist Package   1,200
Folding second row seats   409
Heated second row seats   581
Special order charge   233
Illuminated door sill trim plates   744
Heated steering wheel   233
Options (change) 7,775 11,225
Options (change) 7,236 10,441
Destination 975 995
Total Price $80,650 $87,370
Total Invoice $75,079 $81,326

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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 / RS6 dealer quotes or Mercedes-Benz CLS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A6 / S6 / RS6 vs. Mercedes-Benz CLS

Lowest Adjusted Price and Invoice: Audi A6 / S6 / RS6 S6 4.0 TFSI
TrueDelta Adjusted Price Difference: $7,170
TrueDelta Adjusted Invoice Difference: $6,666
Model Year20182018
ModelA6 / S6 / RS6CLS
TrimS6 4.0 TFSICLS550
Body4dr Sedan4dr Sedan
Engine450hp V8402hp V8
TransmissionS7T9
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)630, 14610, 14
Tire (rear if not all the same)255/35-20255/40-18
Total Price$80,650$87,370
Adjustments for Features-4500
Feature-Adjusted Total Price$80,200$87,370
Total Invoice$75,079$81,326
Adjustments for Features-4190
Feature-Adjusted Total Invoice$74,660$81,326

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Features Comparison: Audi A6 / S6 / RS6 vs. Mercedes-Benz CLS

Model Year20182018
ModelA6 / S6 / RS6CLS
TrimS6 4.0 TFSICLS550
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
7-speed automated manual$1200 
9-speed manually-shiftable automatic $1400
AWD$1700 
RWD $0
Accessories 
Hands-free trunk or liftgate$100 
Remote app $25
Remote window/roof operation $15
Semi-automated parking system $500
Sunshades, second row$125 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Automatic braking, high-speed or partial $200
Blind spot collision prevention $150
Cross-traffic warning, rear $100
Driver drowsiness monitor $150
Lane departure prevention, steering-based$200 
Lane keeping assist $400
Pedestrian detection $50
Secondary collision brake assist$25 
Wide-view front camera$150 
Wide-view rear camera$0 
Cargo Management 
Air-conditioned storage compartment $50
Cargo net$40 
Rear seat pass-through$100 
Second-row low console $100
Climate Control 
Dual-zone climate control$125 
Rear air vents $100
Rear air vents with automatic controls$250 
Rear dual-zone climate control$125 
Engine / Motor 
Automatic start / stop$150 
Dual-mode exhaust, switchable$500 
Regenerative braking$0 
Exterior 
Laminated front side windows$200 
Infotainment 
4G LTE connectivity$0 
App support $0
CD changer, in-dash $325
CD player$125 
Handwriting recognition$200 
Navigation map updates, three years $0
SMS text-to-speech reader $25
Telematics service, such as OnStar, with navigation $225
Instruments, Lights, and Mirrors 
Adaptive headlights $200
Analog clock $25
Auto-dimming passenger-side mirror$75 
Cornering lights $50
Head-up display (HUD)$350 
Headlight washers $50
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
Seats and Interior Trim 
Automatic seat bolsters, driver $300
Massage, passenger seat$100 
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
Power thigh support length adjuster, passenger seat$100 
Power-folding headrests, second row seats $50
Upholstered instrument panel, leather $1000
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Electronic systems calibration selector$200 
Sport suspension (upgrade)$0 
Total Value of Features$6,690$6,240
Value of Feature Adjustments$450$0
Value of Feature Adjustments-4190

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Specifications Comparison: Audi A6 / S6 / RS6 vs. Mercedes-Benz CLS

Model Year20182018
ModelA6 / S6 / RS6CLS
Body4dr Sedan4dr Sedan
Wheelbase114.6 in113.2 in
Length194.2 in194.5 in
Width73.8 in74.1 in
Height57.8 in55.8 in
Curb Weight3,804 lb.4,159 lb.
Fuel Capacity19.8 gal.21.1 gal.
Row 1 Headroom37.2 in36.9 in
Row 1 Shoulder Room57.5 in57.1 in
Row 1 Hip Room0.0 in58.0 in
Row 1 Legroom41.3 in42.1 in
Row 2 Headroom37.8 in36.1 in
Row 2 Shoulder Room56.3 in56.5 in
Row 2 Hip Room0.0 in57.6 in
Row 2 Legroom37.4 in35.0 in
Cargo Volume14.1 ft315.3 ft3

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Option Package Details
Audi A6 / S6 / RS6 S6 4.0 TFSI

Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Lane departure prevention, steering-based200Yes
Total Requested1700100%
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 seat100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Memory system, passenger seat150Yes
Massage, driver seat100Yes
Massage, passenger seat100No
Total Requested75060%
Total Not Requested50040%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
Prestige Package
FeatureValueRequested?
Sunshades, second row125No
Sunshade, rear, power225Yes
Power trunk closer350Yes
Head-up display (HUD)350No
Around view cameras300Yes
Wide-view front camera150No
Hands-free trunk or liftgate100No
Wide-view rear camera0No
Total Requested87555%
Total Not Requested72545%

Option Package Details
Mercedes-Benz CLS CLS550

Driver Assistance Package
FeatureValueRequested?
Cross-traffic warning, rear100No
Collision preparation system, rear100Yes
Pedestrian detection50No
Lane keeping assist400Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Blind spot warning system200Yes
Blind spot collision prevention150No
Total Requested160084%
Total Not Requested30016%
Adaptive multicontour driver seat
FeatureValueRequested?
Power thigh support length adjuster, driver seat100Yes
Automatic seat bolsters, driver300No
Massage, driver seat100Yes
Total Requested20040%
Total Not Requested30060%
Premium Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Power trunk closer350Yes
Proximity key250Yes
Power-folding mirrors50Yes
Sunshade, rear, power225Yes
Cornering lights50No
Auto-dimming headlights200Yes
Adaptive headlights200No
Total Requested137585%
Total Not Requested25015%
Parking Assist Package
FeatureValueRequested?
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Semi-automated parking system500No
Around view cameras300Yes
Total Requested70058%
Total Not Requested50042%

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