BMW i8 BMW i8 2015 Mercedes-Benz SLK Mercedes-Benz SLK 2014

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BMW i8 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.

BMW i8 vs. Mercedes-Benz SLK Invoice Comparison

Lowest Total Price: $76,490

Mercedes-Benz SLK SLK55 AMG   
Difference: $59,212

Lowest Total Invoice: $71,202

Mercedes-Benz SLK SLK55 AMG   
Difference: $54,080

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152014
Modeli8SLK
TrimBaseSLK55 AMG
Body2dr Coupe2dr Hardtop conv.
Base Price $136,500 $68,925
Base Invoice $126,260 $64,100
Giga World 2,000  
Lighting Package   1,390
Multimedia Package   2,150
Automatic climate control, front   760
Obstacle detection, rear   970
Metallic paint (extra cost)   720
Proximity key   650
Giga World 1,820  
Lighting Package   1,293
Multimedia Package   2,000
Automatic climate control, front   707
Obstacle detection, rear   902
Metallic paint (extra cost)   670
Proximity key   605
Options (change) 2,000 6,640
Options (change) 1,820 6,177
Destination 995 925
Gas Tax -3,793 0
Total Price $135,702 $76,490
Total Invoice $125,282 $71,202

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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 BMW i8 dealer quotes or Mercedes-Benz SLK dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: BMW i8 vs. Mercedes-Benz SLK

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK55 AMG
TrueDelta Adjusted Price Difference: $62,837
TrueDelta Adjusted Invoice Difference: $57,454
Model Year20152014
Modeli8SLK
TrimBaseSLK55 AMG
Body2dr Coupe2dr Hardtop conv.
Engine357hp I3 PiH415hp V8
TransmissionT6T7
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)28/29 MPG19/28 MPG
Audio (watts, speakers)360, 11500, 11
Tire (rear if not all the same)215/45-20235/40-18
Total Price$135,702$76,490
Adjustments for Features0-3,625
Feature-Adjusted Total Price$135,702$72,865
Total Invoice$125,282$71,202
Adjustments for Features0-3,374
Feature-Adjusted Total Invoice$125,282$67,828

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Features Comparison: BMW i8 vs. Mercedes-Benz SLK

Model Year20152014
Modeli8SLK
TrimBaseSLK55 AMG
Body2dr Coupe2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
Accessories 
Parking guidance system - passive $250
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Around view cameras$500 
Automatic braking, low-speed$200 
Blind spot warning system$200 
Forward collision warning$200 
Lane departure collision mitigation$50 
Lane departure warning$200 
Pedestrian detection$50 
Roll bar $200
Temporary spare tire $150
Torque vectoring, brake-based $100
Wide-view front camera$150 
Climate Control 
Automatic air recirculation$100 
Heated windshield washer nozzles $15
Rear air vents with manual controls$150 
Engine / Motor 
3.3 kW onboard charger$0 
7 kWh battery pack$0 
Dual-mode exhaust, switchable $500
Mid-engine configuration$0 
Exterior 
Body kit $0
Bright-finished exhaust tip(s) $25
Carbon fiber body structure$0 
Glass roof panel(s) $300
Power retractable hardtop $6750
Rear spoiler $200
Infotainment 
CD changer, in-dash $325
Concierge Services - 3 year subscription$150 
DVD-compatible player $0
Handwriting recognition$200 
MP3-compatible player $50
S Voice support$0 
Satellite radio $200
Satellite radio - one year subscription$250 
SD Card slot $25
Siri Eyes Free support$0 
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Text dictation$50 
Voice control for external devices$0 
Voice recorder$0 
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming headlights $200
Auto-dimming passenger-side mirror$75 
Compass $0
Fog light, rear $100
Head-up display (HUD)$350 
Headlight washers $50
Illuminated visor mirror, driver$50 
Illuminated visor mirror, passenger$50 
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
Large color reconfigurable instrument cluster display$250 
LED headlights$1000 
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Turn signals on or near mirrors $25
Visor mirror, driver $10
Visor mirror, passenger $10
Xenon HID headlights $500
Seats and Interior Trim 
Aluminum trim $100
Door sill trim plates $100
Memory system, passenger seat $150
Metal pedals $75
Neck-level heating, front seats $150
No leather in second row $-300
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power tilt adjuster, driver seat $100
Power tilt adjuster, passenger seat $100
Synthetic suede inserts in leather seating surfaces $0
Upholstered instrument panel, leather$1000 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Electronic systems calibration selector$200 
Sport suspension (upgrade) $0
Total Value of Features$9,325$12,950
Value of Feature Adjustments$0$3,625
Value of Feature Adjustments0-3,374

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Specifications Comparison: BMW i8 vs. Mercedes-Benz SLK

Model Year20152014
Modeli8SLK
Body2dr Coupe2dr Hardtop conv.
Wheelbase110.2 in95.7 in
Length184.9 in162.8 in
Width76.5 in71.5 in
Height50.8 in51.2 in
Curb Weight3,455 lb.3,583 lb.
Fuel Capacity11.1 gal.15.9 gal.
Row 1 Headroom38.7 in38.0 in
Row 1 Shoulder Room61.1 in52.2 in
Row 1 Legroom0.0 in42.5 in
Row 2 Headroom32.4 in0.0 in
Row 2 Shoulder Room51.5 in0.0 in
Cargo Volume,
Minimum
4.7 ft36.4 ft3
Cargo Volume,
Maximum
4.710.1 ft3

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Option Package Details
Mercedes-Benz SLK SLK55 AMG

Automatic climate control, front
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Total Requested325100%
Total Not Requested00%
Obstacle detection, rear
FeatureValueRequested?
Obstacle detection, rear250Yes
Obstacle detection, front150Yes
Parking guidance system - passive250No
Total Requested40062%
Total Not Requested25038%
Lighting Package
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Total Requested50056%
Total Not Requested40044%
Multimedia Package
FeatureValueRequested?
CD changer, in-dash200No
DVD-compatible player0No
Media drive, large15Yes
Traffic + travel information25Yes
SD Card slot25No
In-vehicle Internet150Yes
App support0Yes
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested89080%
Total Not Requested22520%

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