Audi R8 Audi R8 2018 Mercedes-Benz SLK Mercedes-Benz SLK 2008

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Audi R8 vs. Mercedes-Benz SLK 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 R8 vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $53,640

Mercedes-Benz SLK SLK280   
Difference: $126,585

Lowest Total Invoice: $49,945

Mercedes-Benz SLK SLK280   
Difference: $117,843

Calculate Payments

  Down Payment Interest Rate Term
Model Year2018200820082008
ModelR8SLKSLKSLK
TrimSpyder V10SLK280SLK350SLK55 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $177,100 $44,150 $49,450 $63,200
Base Invoice $164,703 $41,060 $45,988 $58,776
Metallic paint (extra cost) 575 710 710 710
Premium II Package   3,995 3,995 1,410
Heating Package   980 980  
Lighting Package   1,010 1,010 1,010
Navigation system   1,200 1,200 1,200
Automatic climate control, front   720 720 720
Metallic paint (extra cost) 535 659 659 659
Premium II Package   3,715 3,715 1,311
Heating Package   911 911  
Lighting Package   939 939 939
Navigation system   1,116 1,116 1,116
Automatic climate control, front   670 670 670
Options (change) 575 8,615 8,615 5,050
Options (change) 535 8,010 8,010 4,695
Destination 1,250 875 875 875
Gas Tax 1,300 0 0 1,300
Total Price $180,225 $53,640 $58,940 $70,425
Total Invoice $167,788 $49,945 $54,873 $65,646

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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 R8 dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi R8 vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK280
TrueDelta Adjusted Price Difference: $120,935
TrueDelta Adjusted Invoice Difference: $112,583
Model Year2018200820082008
ModelR8SLKSLKSLK
TrimSpyder V10SLK280SLK350SLK55 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine532hp V10228hp V6268hp V6355hp V8
TransmissionS7M6T7T7
DrivetrainAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)550, 13380, 11380, 11380, 11
Tire (rear if not all the same)245/35-19205/55-16225/45-17225/40-18
Total Price$180,225$53,640$58,940$70,425
Adjustments for Features-5,6500-1,050-1,300
Feature-Adjusted Total Price$174,575$53,640$57,890$69,125
Cost Above Minimum$0$0$4,250$15,485
Total Invoice$167,788$49,945$54,873$65,646
Adjustments for Features-5,2600-978-1,212
Feature-Adjusted Total Invoice$162,528$49,945$53,895$64,434
Cost Above Minimum$0$0$3,950$14,489

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Features Comparison: Audi R8 vs. Mercedes-Benz SLK

Model Year2018200820082008
ModelR8SLKSLKSLK
TrimSpyder V10SLK280SLK350SLK55 AMG
Body2dr Convertible2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
7-speed automated manual$1200   
6-speed manual $150  
7-speed manually-shiftable automatic  $1200$1200
AWD$1700   
RWD $0$0$0
Accessories 
Proximity key$250   
Remote app$25   
Remote window/roof operation $15$15$15
Tilt/telescoping steering wheel, manual$250   
Tilt/telescoping steering wheel, power $350$350$350
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500   
Obstacle detection, front$150   
Obstacle detection, rear$250   
Rearview camera$200   
Secondary collision brake assist$25   
Side curtain airbags$350   
Temporary spare tire $150$150$150
Cargo Management 
Cargo net$40   
Climate Control 
Dual-zone climate control $125$125$125
Heated windshield washer nozzles $15$15$15
Residual heat $50$50$50
Engine / Motor 
Dual-mode exhaust, switchable$500   
Mid-engine configuration$0   
Exterior 
Body kit   $0
Bright-finished fuel door$100   
Power convertible top$4000   
Power retractable hardtop $6750$6750$6750
Rear spoiler   $200
Retractable rear spoiler$400   
Infotainment 
4G LTE connectivity$0   
Android Auto support$100   
Apple CarPlay support$100   
Bluetooth audio streaming$25   
CD player $125$125$125
CD player, remote$100   
DVD-compatible player$0   
Handwriting recognition$200   
HD radio$50   
In-vehicle Internet$150   
Media drive$15   
MP3-compatible player$50   
SD Card slot$25   
Traffic + travel information$25   
Voice control for nav and audio$100   
Wi-Fi hotspot$50   
Instruments, Lights, and Mirrors 
Analog clock $25$25$25
Auto-dimming headlights$200   
Auto-dimming passenger-side mirror$75   
Chronometer$100   
Compass$0   
Cornering lights $50$50$50
Fog lights $125$125$125
Headlight washers $50$50$50
Large color reconfigurable instrument cluster display$250   
LED headlights$1000   
Mirror tilt-down in reverse $25$25$25
Performance meter$150   
Power-folding mirrors$50   
Xenon HID headlights $500$500$500
Seats and Interior Trim 
Aluminum trim   $100
Door sill trim plates $100$100$100
Illuminated door sill trim plates$200   
Memory system, driver seat $200$200$200
Memory system, passenger seat $150$150$150
Neck-level heating, front seats $150$150 
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   
Synthetic suede inserts in leather seating surfaces   $0
Upholstered instrument panel$300   
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500   
Electronic systems calibration selector$200   
Sport suspension (upgrade)   $0
Transmission 
Launch control$100   
Steering-wheel-mounted transmission controls$100  $100
Total Value of Features$14,755$9,105$10,155$10,405
Value of Feature Adjustments$5,650$0$1,050$1,300
Value of Feature Adjustments-5,2600-978-1,212

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Specifications Comparison: Audi R8 vs. Mercedes-Benz SLK

Model Year20182008
ModelR8SLK
Body2dr Convertible2dr Hardtop conv.
Wheelbase104.3 in95.7 in
Length174.4 in160.7 in
Width75.0 in70.4 in
Height49.0 in51.0 in
Curb Weight3,738 lb.3,210 lb.
Fuel Capacity21.1 gal.18.5 gal.
Row 1 Headroom37.5 in37.9 in
Row 1 Shoulder Room54.8 in52.2 in
Row 1 Hip Room0.0 in54.6 in
Row 1 Legroom41.0 in42.5 in
Cargo Volume,
Minimum
3.5 ft36.5 ft3
Cargo Volume,
Maximum
3.59.8 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
Memory system, driver seat200No
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Tilt/telescoping steering wheel, power100No
Power tilt adjuster, passenger seat50Yes
Power fore-aft adjuster, driver seat100Yes
Auto-dimming driver-side mirror75Yes
Power height adjuster, driver seat50Yes
Remote window/roof operation15No
Power tilt adjuster, driver seat50Yes
Mirror tilt-down in reverse25No
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
Total Requested215072%
Total Not Requested84028%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%

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
Memory system, driver seat200No
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Tilt/telescoping steering wheel, power100No
Power tilt adjuster, passenger seat50Yes
Power fore-aft adjuster, driver seat100Yes
Auto-dimming driver-side mirror75Yes
Power height adjuster, driver seat50Yes
Remote window/roof operation15No
Power tilt adjuster, driver seat50Yes
Mirror tilt-down in reverse25No
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
Total Requested215072%
Total Not Requested84028%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
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%

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