Kia Optima Kia Optima 2018 Mercedes-Benz SLK Mercedes-Benz SLK 2007

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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: $31,745

Kia Optima SX   
Difference: $20,335

Lowest Total Invoice: $29,566

Kia Optima SX   
Difference: $18,921

Calculate Payments

  Down Payment Interest Rate Term
Model Year2018200720072007
ModelOptimaSLKSLKSLK
TrimSXSLK280SLK350SLK55 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $30,500 $43,350 $47,400 $62,500
Base Invoice $28,380 $40,316 $44,082 $58,125
Universal garage door opener 350      
Lighting Package   1,000 1,000 1,000
Heating Package   970 970  
Premium II Package   3,650 3,650  
Metallic paint (extra cost)   700 700 700
Automatic climate control, front   710 710 710
Bluetooth cell phone link   925 925 925
Universal garage door opener 291      
Lighting Package   930 930 930
Heating Package   902 902  
Premium II Package   3,394 3,394  
Metallic paint (extra cost)   650 650 650
Automatic climate control, front   660 660 660
Bluetooth cell phone link   860 860 860
Options (change) 350 7,955 7,955 3,335
Options (change) 291 7,396 7,396 3,100
Destination 895 775 775 775
Gas Tax 0 0 0 1,300
Total Price $31,745 $52,080 $56,130 $67,910
Total Invoice $29,566 $48,487 $52,253 $63,300

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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: Kia Optima vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Kia Optima SX
TrueDelta Adjusted Price Difference: $18,725
TrueDelta Adjusted Invoice Difference: $17,422
Model Year2018200720072007
ModelOptimaSLKSLKSLK
TrimSXSLK280SLK350SLK55 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine245hp I4228hp V6268hp V6355hp V8
TransmissionT6M6M6T7
DrivetrainFWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 6380, 11380, 11?, 9
Tire (rear if not all the same)235/45-18205/55-16225/45-17225/40-18
Total Price$31,745$52,080$56,130$67,910
Adjustments for Features0-1,610-1,610-2,610
Feature-Adjusted Total Price$31,745$50,470$54,520$65,300
Cost Above Minimum$0$0$4,050$14,830
Total Invoice$29,566$48,487$52,253$63,300
Adjustments for Features0-1,499-1,499-2,433
Feature-Adjusted Total Invoice$29,566$46,988$50,754$60,867
Cost Above Minimum$0$0$3,766$13,879

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Features Comparison: Kia Optima vs. Mercedes-Benz SLK

Model Year2018200720072007
ModelOptimaSLKSLKSLK
TrimSXSLK280SLK350SLK55 AMG
Body4dr Sedan2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100   
6-speed manual $150$150 
7-speed manually-shiftable automatic   $1200
FWD$0   
RWD $0$0$0
Accessories 
Power rear side windows$200   
Proximity key$250   
Proximity trunk or liftgate opener$125   
Remote window/roof operation $15$15$15
Tilt/telescoping steering wheel, manual$250   
Tilt/telescoping steering wheel, power $350$350$350
Wind blocker, small $100$100$100
Brakes, Airbags, and Other Safety 
911 assist$25   
Active or whiplash-reducing head restraints, front seats$0   
Blind spot warning system$200   
Cross-traffic warning, rear$100   
Knee airbag, passenger $75$75$75
Obstacle detection, rear$250   
Rearview camera$200   
Rollover sensor$50   
Side curtain airbags$350   
Tire-pressure monitor$75   
Vehicle health reports$0   
Cargo Management 
Cargo mat$40   
Overhead sunglass holder$25   
Climate Control 
Heated windshield washer nozzles $15$15$15
Rain-sensing wipers $175$175$175
Rear air vents$100   
Residual heat $50$50$50
Variable intermittent wipers$75   
Exterior 
Black exterior trim (optional)$0   
Body kit   $0
Laminated front side windows$200   
Painted brake calipers (optional)$0   
Panoramic sunroof$1200   
Power retractable hardtop $6750$6750$6750
Rear spoiler$200  $200
Infotainment 
Android Auto support$100   
App support$0   
Apple CarPlay support$100   
Aux input$50$50$50 
Bluetooth audio streaming$25   
CD player $125$125$125
SMS text-to-speech reader$25   
Surround sound $250$250 
Telematics service, such as OnStar $200$200$200
Voice control for external devices$0   
Instruments, Lights, and Mirrors 
Analog clock $25$25$25
Approach detection$25   
Auto-dimming driver-side mirror $75$75$75
Compass$0   
Cornering lights $50$50$50
Fog light, rear $100$100$100
Headlight washers $50$50$50
Illuminated visor mirror, driver$50   
Illuminated visor mirror, passenger$50   
LED headlights$1000   
Mirror tilt-down in reverse $25$25$25
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   
Folding second row seats$300   
Memory system, passenger seat $150$150$150
Neck-level heating, front seats $150$150 
Power 4-way lumbar adjuster, driver seat$150   
Power lumbar adjuster, passenger seat$100   
Synthetic suede inserts in leather seating surfaces   $0
Suspension, Wheels, and Tires 
Alloy wheels $350$350$350
Electronic systems calibration selector$200   
Machined alloy wheels$350   
Performance steering system (optional)$0   
Sport suspension (upgrade)$0  $0
Transmission 
Steering-wheel-mounted transmission controls$100  $100
Total Value of Features$8,190$9,800$9,800$10,800
Value of Feature Adjustments$0$1,610$1,610$2,610
Value of Feature Adjustments0-1,499-1,499-2,433

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Specifications Comparison: Kia Optima vs. Mercedes-Benz SLK

Model Year20182007
ModelOptimaSLK
Body4dr Sedan2dr Hardtop conv.
Wheelbase110.4 in95.7 in
Length191.1 in160.7 in
Width73.2 in70.4 in
Height57.7 in51.0 in
Curb Weight3,220 lb.3,210 lb.
Fuel Capacity18.5 gal.18.5 gal.
Row 1 Headroom39.8 in37.9 in
Row 1 Shoulder Room58.1 in52.2 in
Row 1 Hip Room56.0 in54.6 in
Row 1 Legroom45.5 in42.5 in
Row 2 Headroom37.8 in0.0 in
Row 2 Shoulder Room56.4 in0.0 in
Row 2 Hip Room56.0 in0.0 in
Row 2 Legroom35.6 in0.0 in
Cargo Volume,
Minimum
15.9 ft36.5 ft3
Cargo Volume,
Maximum
15.99.8 ft3

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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?
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Power height adjuster, driver seat50Yes
Interior ambient lighting150No
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
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
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75No
Tilt/telescoping steering wheel, power100No
Remote window/roof operation15No
Power fore-aft adjuster, driver seat100Yes
Mirror tilt-down in reverse25No
Total Requested130050%
Total Not Requested129050%

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?
Surround sound250No
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Aux input50Yes
Power height adjuster, driver seat50Yes
Interior ambient lighting150No
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
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
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75No
Tilt/telescoping steering wheel, power100No
Remote window/roof operation15No
Power fore-aft adjuster, driver seat100Yes
Mirror tilt-down in reverse25No
Total Requested130050%
Total Not Requested129050%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

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

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