Mercedes-Benz SLK Mercedes-Benz SLK 2008 Audi A8 / S8 Audi A8 / S8 2017

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

Lowest Total Price: $54,015

Mercedes-Benz SLK SLK280   
Difference: $62,835

Lowest Total Invoice: $50,294

Mercedes-Benz SLK SLK280   
Difference: $58,444

Calculate Payments

  Down Payment Interest Rate Term
Model Year2008200820082017
ModelSLKSLKSLKA8 / S8
TrimSLK280SLK350SLK55 AMGS8 Plus
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Base Price $44,150 $49,450 $63,200 $115,900
Base Invoice $41,060 $45,988 $58,776 $107,788
Premium II Package 3,995 3,995 1,410  
Heating Package 980 980    
Lighting Package 1,010 1,010 1,010  
Metallic paint (extra cost) 710 710 710  
Automatic climate control, front 720 720 720  
iPod integration 375 375 375  
Navigation system 1,200 1,200 1,200  
Appearance Package   1,000    
Wood trim       0
Premium II Package 3,715 3,715 1,311  
Heating Package 911 911    
Lighting Package 939 939 939  
Metallic paint (extra cost) 659 659 659  
Automatic climate control, front 670 670 670  
iPod integration 349 349 349  
Navigation system 1,116 1,116 1,116  
Appearance Package   930    
Wood trim       0
Options (change) 8,990 9,990 5,425 0
Options (change) 8,359 9,289 5,044 0
Destination 875 875 875 950
Gas Tax 0 0 1,300 0
Total Price $54,015 $60,315 $70,800 $116,850
Total Invoice $50,294 $56,152 $65,995 $108,738

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

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK280
TrueDelta Adjusted Price Difference: $53,300
TrueDelta Adjusted Invoice Difference: $49,571
Model Year2008200820082017
ModelSLKSLKSLKA8 / S8
TrimSLK280SLK350SLK55 AMGS8 Plus
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Engine228hp V6268hp V6355hp V8605hp V8
TransmissionM6T7T7T8
DrivetrainRWDRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)380, 11380, 11380, 11630, 14
Tire (rear if not all the same)205/55-16225/45-17225/40-18275/35-21
Total Price$54,015$60,315$70,800$116,850
Adjustments for Features0-1,350-1,300-9,535
Feature-Adjusted Total Price$54,015$58,965$69,500$107,315
Cost Above Minimum$0$4,950$15,485$0
Total Invoice$50,294$56,152$65,995$108,738
Adjustments for Features0-1,257-1,212-8,873
Feature-Adjusted Total Invoice$50,294$54,895$64,783$99,865
Cost Above Minimum$0$4,601$14,489$0

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

Model Year2008200820082017
ModelSLKSLKSLKA8 / S8
TrimSLK280SLK350SLK55 AMGS8 Plus
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
6-speed manual$150   
7-speed manually-shiftable automatic $1200$1200 
8-speed manually-shiftable automatic   $1300
RWD$0$0$0 
AWD   $1700
Accessories 
Active noise reduction   $0
Hands-free trunk or liftgate   $100
Power door closers   $300
Power rear side windows   $200
Power trunk closer   $350
Proximity key   $250
Sunshade, rear, power   $225
Sunshades, second row, power   $225
Wind blocker, small$100$100$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats   $0
Around view cameras   $500
Blind spot warning system   $200
Brake- or yaw-sensor-initiated collision preparation system   $0
Collision preparation system, rear   $100
Full-size spare tire   $225
Obstacle detection, front   $150
Obstacle detection, rear   $250
Rear side airbags   $300
Rollover sensor   $50
Side curtain airbags   $350
Temporary spare tire$150$150$150 
Wide-view front camera   $150
Wide-view rear camera   $0
Cargo Management 
Air-conditioned storage compartment   $50
Cargo net   $40
Climate Control 
Automatic air recirculation   $100
Rear air vents with automatic controls   $250
Rear dual-zone climate control   $125
Engine / Motor 
Dual-mode exhaust, switchable   $500
Exterior 
Body kit  $0$0
Laminated front side windows   $200
Laminated rear side windows   $100
Power retractable hardtop$6750$6750$6750 
Rear spoiler  $200$200
Sunroof   $900
Infotainment 
Bluetooth audio streaming   $25
DVD-compatible player   $0
Handwriting recognition   $200
HD radio   $50
In-vehicle Internet   $150
iPod integration$100$100$100 
Media drive   $15
MP3-compatible player   $50
SD Card slot   $25
Telematics service, such as OnStar$200$200$200 
Traffic + travel information   $25
USB port   $25
Voice control for nav and audio   $100
Wi-Fi hotspot   $50
Instruments, Lights, and Mirrors 
Auto-dimming headlights   $200
Auto-dimming passenger-side mirror   $75
Compass   $0
Fog lights$125$125$125 
Head-up display (HUD)   $350
Illuminated visor mirror, driver   $50
Illuminated visor mirror, passenger   $50
Interior ambient lighting$150$150$150 
Interior ambient lighting, configurable   $150
LED headlights   $1000
Power-folding mirrors   $50
Steering-linked headlights   $150
Visor mirror, driver$10$10$10 
Visor mirror, passenger$10$10$10 
Xenon HID headlights$500$500$500 
Seats and Interior Trim 
Aluminum trim  $100 
Center armrest(s), second row   $50
Cooled or ventilated front seats   $300
Leather-wrapped steering wheel$150 $150$150
Massage, driver seat   $100
Massage, passenger seat   $100
Metal pedals$75$75$75 
Neck-level heating, front seats$150$150  
No leather in second row$-300$-300$-300 
Power headrest height adjuster, driver seat   $50
Power headrest height adjuster, passenger seat   $50
Power seat belt height adjusters, front row   $25
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, driver seat   $100
Power thigh support length adjuster, passenger seat   $100
Power upper seatback recliner, driver seat   $100
Power upper seatback recliner, passenger seat   $100
Synthetic suede headliner   $650
Synthetic suede inserts in leather seating surfaces  $0 
Upholstered instrument panel   $300
Wood trim $300 $300
Wood/leather-wrapped steering wheel $150  
Suspension, Wheels, and Tires 
Active steering   $1000
Adaptive dampers - electrical   $500
Air suspension, auto-leveling and height adjustable   $1000
Electronic systems calibration selector   $200
Sport suspension (upgrade)  $0 
Transmission 
Steering-wheel-mounted transmission controls  $100$100
Total Value of Features$8,320$9,670$9,620$17,855
Value of Feature Adjustments$0$1,350$1,300$9,535
Value of Feature Adjustments0-1,257-1,212-8,873

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

Model Year20082017
ModelSLKA8 / S8
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in117.8 in
Length160.7 in202.6 in
Width70.4 in76.7 in
Height51.0 in57.4 in
Curb Weight3,210 lb.4,686 lb.
Fuel Capacity18.5 gal.21.7 gal.
Row 1 Headroom37.9 in37.2 in
Row 1 Shoulder Room52.2 in59.1 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.5 in41.4 in
Row 2 Headroom0.0 in38.1 in
Row 2 Shoulder Room0.0 in57.8 in
Row 2 Legroom0.0 in38.7 in
Cargo Volume,
Minimum
6.5 ft314.2 ft3
Cargo Volume,
Maximum
9.8 ft314.2 ft3

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Option Package Details
Mercedes-Benz SLK SLK280

Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Tilt/telescoping steering wheel, power100Yes
Power tilt adjuster, passenger seat50Yes
Power fore-aft adjuster, driver seat100Yes
Auto-dimming driver-side mirror75Yes
Power height adjuster, driver seat50Yes
Remote window/roof operation15Yes
Power tilt adjuster, driver seat50Yes
Mirror tilt-down in reverse25Yes
Power recliner, driver seat100Yes
Interior ambient lighting150Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150Yes
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Total Requested264088%
Total Not Requested35012%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%

Option Package Details
Mercedes-Benz SLK SLK350

Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Tilt/telescoping steering wheel, power100Yes
Power tilt adjuster, passenger seat50Yes
Power fore-aft adjuster, driver seat100Yes
Auto-dimming driver-side mirror75Yes
Power height adjuster, driver seat50Yes
Remote window/roof operation15Yes
Power tilt adjuster, driver seat50Yes
Mirror tilt-down in reverse25Yes
Power recliner, driver seat100Yes
Interior ambient lighting150Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175Yes
Memory system, driver seat200Yes
Memory system, passenger seat150Yes
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Total Requested264088%
Total Not Requested35012%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%
Appearance Package
FeatureValueRequested?
Wood trim300Yes
225/45ZR17 tires200No
Wood/leather-wrapped steering wheel0No
245/40ZR17 tires200No
Total Requested30043%
Total Not Requested40057%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Total Requested40053%
Total Not Requested35047%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Cornering lights50Yes
Total Requested600100%
Total Not Requested00%

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