Acura RDX Acura RDX 2021 Mercedes-Benz SLK Mercedes-Benz SLK 2008

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Acura RDX 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.

Acura RDX vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $43,145

Acura RDX   
Difference: $10,870

Calculate Payments

  Down Payment Interest Rate Term
Model Year20212021200820082008
ModelRDXRDXSLKSLKSLK
TrimBasePMC EditionSLK280SLK350SLK55 AMG
Body4dr SUV4dr SUV2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $38,400 $51,000 $44,150 $49,450 $63,200
Technology Package 3,700 3,700      
Lighting Package     1,010 1,010 1,010
Heating Package     980 980  
Premium II Package     3,995 3,995 1,410
Metallic paint (extra cost)     710 710 710
iPod integration     375 375 375
Automatic climate control, front     720 720 720
Navigation system     1,200 1,200 1,200
Technology Package 3,505 3,505      
Lighting Package     939 939 939
Heating Package     911 911  
Premium II Package     3,715 3,715 1,311
Metallic paint (extra cost)     659 659 659
iPod integration     349 349 349
Automatic climate control, front     670 670 670
Navigation system     1,116 1,116 1,116
Options (change) 3,700 3,700 8,990 8,990 5,425
Options (change) 3,505 3,505 8,359 8,359 5,044
Destination 1,045 1,045 875 875 875
Gas Tax 0 0 0 0 1,300
Total Price $43,145 $55,745 $54,015 $59,315 $70,800

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

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TrueDelta Value Comparison: Acura RDX vs. Mercedes-Benz SLK

Lowest Adjusted Price: Acura RDX
Lowest Adjusted Invoice: Acura RDX PMC Edition
TrueDelta Adjusted Price Difference: $9,175
TrueDelta Adjusted Invoice Difference: $44,305
Model Year20212021200820082008
ModelRDXRDXSLKSLKSLK
TrimBasePMC EditionSLK280SLK350SLK55 AMG
Body4dr SUV4dr SUV2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine272hp I4272hp I4228hp V6268hp V6355hp V8
TransmissionT10T10M6T7T7
DrivetrainFWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)410, 10410, 10380, 11380, 11380, 11
Tire (rear if not all the same)235/55-19255/45-20205/55-16225/45-17225/40-18
Total Price$43,145$55,745$54,015$59,315$70,800
Adjustments for Features0-1,700-1,695-2,745-2,995
Feature-Adjusted Total Price$43,145$54,045$52,320$56,570$67,805
Cost Above Minimum$0$10,900$0$4,250$15,485

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Features Comparison: Acura RDX vs. Mercedes-Benz SLK

Model Year20212021200820082008
ModelRDXRDXSLKSLKSLK
TrimBasePMC EditionSLK280SLK350SLK55 AMG
Body4dr SUV4dr SUV2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
10-speed manually-shiftable automatic$1500$1500   
6-speed manual  $150  
7-speed manually-shiftable automatic   $1200$1200
FWD$0    
AWD $1700   
RWD  $0$0$0
Accessories 
Active noise reduction$0$0   
Power liftgate$350$350   
Power rear side windows$200$200   
Proximity key$250$250   
Tilt/telescoping steering wheel, manual$250$250   
Tilt/telescoping steering wheel, power  $350$350$350
Wind blocker, small  $100$100$100
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0   
Blind spot warning system$200$200   
Cross-traffic warning, rear$100$100   
Knee airbag, driver  $75$75$75
Knee airbag, passenger  $75$75$75
Rearview camera$200$200   
Rollover sensor$50$50   
Side curtain airbags$350$350   
Wide-view rear camera$0$0   
Cargo Management 
Cargo cover$75$75   
Climate Control 
Heated windshield washer nozzles  $15$15$15
Rain-sensing wipers  $175$175$175
Rear air vents$100$100   
Rear wiper$175$175   
Residual heat  $50$50$50
Variable intermittent wipers$75$75   
Exterior 
Body kit    $0
Bodyside cladding$350$350   
Deep-tinted rear windows$275$275   
Power retractable hardtop  $6750$6750$6750
Rear spoiler$200$200  $200
Sunroof$900$900   
Infotainment 
App support$0$0   
Bluetooth audio streaming$25$25   
DVD-Audio-compatible player$0$0   
HD radio$50$50   
iPod integration  $100$100$100
Media drive$15$15   
MP3-compatible player$50$50   
Siri Eyes Free support$0$0   
SMS text-to-speech reader$25$25   
Traffic + travel information$25$25   
USB port$25$25   
Voice control for nav and audio$100$100   
Instruments, Lights, and Mirrors 
Analog clock  $25$25$25
Auto-dimming driver-side mirror  $75$75$75
Compass$0$0   
Cornering lights  $50$50$50
Fog light, rear  $100$100$100
Fog lights  $125$125$125
Headlight washers  $50$50$50
Illuminated visor mirror, driver$50$50   
Illuminated visor mirror, passenger$50$50   
LED headlights$1000$1000   
Spotter mirror(s)$50$50   
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$50   
Folding second row seats$300$300   
Leather door panel trim  $250$250$250
Memory system, passenger seat  $150$150$150
Metal pedals  $75$75$75
Neck-level heating, front seats  $150$150 
No leather in second row  $-300$-300$-300
Power 4-way lumbar adjuster, driver seat  $150$150$150
Power 4-way lumbar adjuster, passenger seat  $150$150$150
Power lumbar adjuster, driver seat$100$100   
Synthetic suede inserts in leather seating surfaces    $0
Suspension, Wheels, and Tires 
Adaptive dampers - mechanical$100$100   
Alloy wheels  $350$350$350
Machined alloy wheels$350$350   
Sport suspension (upgrade)    $0
Transmission 
Steering-wheel-mounted transmission controls$100$100  $100
Total Value of Features$8,065$9,765$9,760$10,810$11,060
Value of Feature Adjustments$0$1,700$1,695$2,745$2,995
Value of Feature Adjustments0-139-1,578-2,556-2,792

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Specifications Comparison: Acura RDX vs. Mercedes-Benz SLK

Model Year20212008
ModelRDXSLK
Body4dr SUV2dr Hardtop conv.
Wheelbase108.3 in95.7 in
Length186.8 in160.7 in
Width74.8 in70.4 in
Height65.7 in51.0 in
Curb Weight3,784 lb.3,210 lb.
Fuel Capacity17.1 gal.18.5 gal.
Row 1 Headroom40.0 in37.9 in
Row 1 Shoulder Room60.0 in52.2 in
Row 1 Hip Room55.0 in54.6 in
Row 1 Legroom42.0 in42.5 in
Row 2 Headroom38.0 in0.0 in
Row 2 Shoulder Room57.0 in0.0 in
Row 2 Hip Room50.0 in0.0 in
Row 2 Legroom38.0 in0.0 in
Cargo Volume,
Minimum
31.1 ft36.5 ft3
Cargo Volume,
Maximum
58.9 ft39.8 ft3

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Option Package Details
Acura RDX

Technology Package
FeatureValueRequested?
Navigation system600Yes
Leather seating surfaces900Yes
Telematics service, such as OnStar200Yes
DVD-Audio-compatible player0No
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Surround sound250Yes
Voice control for nav and audio100No
HD radio50No
Blind spot warning system200No
Media drive15No
ELS, 410W, 10 speakers (with subwoofer)350No
Traffic + travel information25No
Cross-traffic warning, rear100No
Total Requested215072%
Total Not Requested84028%

Option Package Details
Acura RDX PMC Edition

Technology Package
FeatureValueRequested?
Navigation system600Yes
Leather seating surfaces900Yes
Telematics service, such as OnStar200Yes
DVD-Audio-compatible player0No
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Surround sound250Yes
Voice control for nav and audio100No
HD radio50No
Blind spot warning system200No
Media drive15No
ELS, 410W, 10 speakers (with subwoofer)350No
Traffic + travel information25No
Cross-traffic warning, rear100No
Total Requested215072%
Total Not Requested84028%

Option Package Details
Mercedes-Benz SLK SLK280

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Tilt/telescoping steering wheel, power100No
Power tilt adjuster, passenger seat50Yes
Power fore-aft adjuster, driver seat100Yes
Auto-dimming driver-side mirror75No
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 seat150No
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175No
Memory system, driver seat200Yes
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Total Requested184062%
Total Not Requested115038%

Option Package Details
Mercedes-Benz SLK SLK350

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Heating Package
FeatureValueRequested?
Heated front seats200Yes
Neck-level heating, front seats150No
Total Requested20057%
Total Not Requested15043%
Premium II Package
FeatureValueRequested?
Bluetooth cell phone link100Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Tilt/telescoping steering wheel, power100No
Power tilt adjuster, passenger seat50Yes
Power fore-aft adjuster, driver seat100Yes
Auto-dimming driver-side mirror75No
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 seat150No
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers175No
Memory system, driver seat200Yes
Memory system, passenger seat150No
Satellite radio200Yes
Power height adjuster, passenger seat50Yes
Total Requested184062%
Total Not Requested115038%

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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