Kia Optima Kia Optima 2008 Mercedes-Benz SLK Mercedes-Benz SLK 2015

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Kia Optima 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.

Kia Optima vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $22,820

Kia Optima EX   
Difference: $24,655

Lowest Total Invoice: $21,175

Kia Optima EX   
Difference: $23,043

Calculate Payments

  Down Payment Interest Rate Term
Model Year2008201520152015
ModelOptimaSLKSLKSLK
TrimEXSLK250SLK350SLK55 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $19,895 $43,950 $57,650 $70,900
Base Invoice $18,510 $40,874 $53,615 $65,937
Stability control 650      
Convenience Package 700      
Appearance Package 700      
Rear spoiler 200 350 350  
Metallic paint (extra cost)   720 720 720
Automatic climate control, front   760 760 760
Leather seating surfaces   770    
Stability control 580      
Convenience Package 625      
Appearance Package 625      
Rear spoiler 160 326 326  
Metallic paint (extra cost)   670 670 670
Automatic climate control, front   707 707 707
Leather seating surfaces   716    
Options (change) 2,250 2,600 1,830 1,480
Options (change) 1,990 2,419 1,703 1,377
Destination 675 925 925 925
Total Price $22,820 $47,475 $60,405 $73,305
Total Invoice $21,175 $44,218 $56,243 $68,239

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

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TrueDelta Value Comparison: Kia Optima vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Kia Optima EX
TrueDelta Adjusted Price Difference: $17,245
TrueDelta Adjusted Invoice Difference: $16,141
Model Year2008201520152015
ModelOptimaSLKSLKSLK
TrimEXSLK250SLK350SLK55 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine162hp I4201hp I4302hp V6415hp V8
TransmissionT5M6T7T7
DrivetrainFWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 6?, 8?, 8500, 11
Tire (rear if not all the same)215/50-17225/45-17225/40-18235/40-18
Total Price$22,820$47,475$60,405$73,305
Adjustments for Features0-7,410-8,560-11,200
Feature-Adjusted Total Price$22,820$40,065$51,845$62,105
Cost Above Minimum$0$0$11,780$22,040
Total Invoice$21,175$44,218$56,243$68,239
Adjustments for Features0-6,902-7,970-10,426
Feature-Adjusted Total Invoice$21,175$37,316$48,273$57,813
Cost Above Minimum$0$0$10,957$20,497

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Features Comparison: Kia Optima vs. Mercedes-Benz SLK

Model Year2008201520152015
ModelOptimaSLKSLKSLK
TrimEXSLK250SLK350SLK55 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000   
6-speed manual $150  
7-speed manually-shiftable automatic  $1200$1200
FWD$0   
RWD $0$0$0
Accessories 
Power rear side windows$200   
Power-adjustable pedals$125   
Remote app $25$25$25
Remote window/roof operation   $15
Sunshade, rear$125   
Tilt/telescoping steering wheel, manual$250   
Tilt/telescoping steering wheel, power $350$350$350
Brakes, Airbags, and Other Safety 
Driver drowsiness monitor $150$150$150
Knee airbag, driver $75$75$75
Knee airbag, passenger $75$75$75
Roll bar $200$200$200
Torque vectoring, brake-based   $100
Cargo Management 
Overhead sunglass holder$25   
Climate Control 
Dual-zone climate control $125$125$125
Heated windshield washer nozzles $15$15$15
Rain-sensing wipers $175$175$175
Residual heat $50$50$50
Variable intermittent wipers$75   
Engine / Motor 
Automatic start / stop   $150
Dual-mode exhaust, switchable   $500
Exterior 
Body kit  $0$0
Bodyside moldings$75   
Bright-finished exhaust tip(s) $25$25$25
Glass roof panel(s) $300$300$300
Power retractable hardtop $6750$6750$6750
Infotainment 
Bluetooth audio streaming $25$25$25
Bluetooth cell phone link $100$100$100
HD radio $50$50$50
MP3-compatible player $50$50$50
Satellite radio   $200
SMS text-to-speech reader $25$25$25
Surround sound   $250
Telematics service, such as OnStar, with navigation $225$225$225
USB port $25$25$25
Instruments, Lights, and Mirrors 
Analog clock   $25
Auto-dimming driver-side mirror $75$75$75
Auto-dimming headlights   $200
Compass $0$0$0
Fog light, rear $100$100$100
Fog lights$125   
Headlight washers   $50
Illuminated visor mirror, driver$50   
Illuminated visor mirror, passenger$50   
Interior ambient lighting   $150
Mirror tilt-down in reverse $25$25$25
Power-folding mirrors $50$50$50
Steering-linked headlights   $150
Visor mirror, driver $10$10$10
Visor mirror, passenger $10$10$10
Xenon HID headlights   $500
Seats and Interior Trim 
Center armrest(s), second row$50   
Folding second row seats$300   
Heated front seats$200  $200
Leather door panel trim $250$250$250
Manual lumbar adjuster, driver seat$50   
Memory system, driver seat $200$200$200
Memory system, passenger seat $150$150$150
Metal pedals $75$75$75
Neck-level heating, front seats   $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 height adjuster, passenger seat $100$100$100
Power tilt adjuster, passenger seat $100$100$100
Synthetic suede inserts in leather seating surfaces   $0
Suspension, Wheels, and Tires 
Sport suspension (upgrade)   $0
Transmission 
Steering-wheel-mounted transmission controls  $100$100
Total Value of Features$2,700$10,110$11,260$13,900
Value of Feature Adjustments$0$7,410$8,560$11,200
Value of Feature Adjustments0-6,902-7,970-10,426

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Specifications Comparison: Kia Optima vs. Mercedes-Benz SLK

Model Year20082015
ModelOptimaSLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase107.1 in95.7 in
Length186.4 in162.8 in
Width71.1 in71.5 in
Height58.3 in51.2 in
Curb Weight3,143 lb.3,242 lb.
Fuel Capacity17.0 gal.15.9 gal.
Row 1 Headroom39.8 in38.0 in
Row 1 Shoulder Room57.1 in52.2 in
Row 1 Hip Room54.5 in0.0 in
Row 1 Legroom43.7 in42.5 in
Row 2 Headroom38.0 in0.0 in
Row 2 Shoulder Room56.3 in0.0 in
Row 2 Hip Room54.7 in0.0 in
Row 2 Legroom37.8 in0.0 in
Cargo Volume,
Minimum
14.8 ft36.4 ft3
Cargo Volume,
Maximum
14.810.1 ft3

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Option Package Details
Kia Optima EX

Convenience Package
FeatureValueRequested?
Heated front seats200Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Sunshade, rear125No
Power-adjustable pedals125No
Total Requested40062%
Total Not Requested25038%
Appearance Package
FeatureValueRequested?
215/50VR17 tires400No
Upgraded instruments0No
Aluminum trim100Yes
Special exterior trim0No
Total Requested10020%
Total Not Requested40080%

Option Package Details
Mercedes-Benz SLK SLK250

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125No
Total Requested20062%
Total Not Requested12538%
Leather seating surfaces
FeatureValueRequested?
Leather seating surfaces900Yes
Leather door panel trim250No
No leather in second row-300No
Total Requested900106%
Total Not Requested-50-6%

Option Package Details
Mercedes-Benz SLK SLK350

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125No
Total Requested20062%
Total Not Requested12538%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125No
Total Requested20062%
Total Not Requested12538%

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