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

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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: $77,255

Mercedes-Benz SLK SLK55 AMG   
Difference: $58,447

Lowest Total Invoice: $71,913

Mercedes-Benz SLK SLK55 AMG   
Difference: $53,369

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152015
Modeli8SLK
TrimBaseSLK55 AMG
Body2dr Coupe2dr Hardtop conv.
Base Price $136,500 $70,900
Base Invoice $126,260 $65,937
Giga World 2,000  
Multimedia Package   2,330
Automatic climate control, front   760
Obstacle detection, rear   970
Metallic paint (extra cost)   720
Proximity key   650
Giga World 1,820  
Multimedia Package   2,167
Automatic climate control, front   707
Obstacle detection, rear   902
Metallic paint (extra cost)   670
Proximity key   605
Options (change) 2,000 5,430
Options (change) 1,820 5,051
Destination 995 925
Gas Tax -3,793 0
Total Price $135,702 $77,255
Total Invoice $125,282 $71,913

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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: $61,872
TrueDelta Adjusted Invoice Difference: $56,557
Model Year20152015
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$77,255
Adjustments for Features0-3,425
Feature-Adjusted Total Price$135,702$73,830
Total Invoice$125,282$71,913
Adjustments for Features0-3,188
Feature-Adjusted Total Invoice$125,282$68,725

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Features Comparison: BMW i8 vs. Mercedes-Benz SLK

Model Year20152015
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 player $125
Concierge Services - 3 year subscription$150 
DVD-compatible player $0
Handwriting recognition$200 
MP3-compatible player $50
Navigation map updates, three years $0
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$12,750
Value of Feature Adjustments$0$3,425
Value of Feature Adjustments0-3,188

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Specifications Comparison: BMW i8 vs. Mercedes-Benz SLK

Model Year20152015
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%
Multimedia Package
FeatureValueRequested?
DVD-compatible player0No
Media drive15Yes
Traffic + travel information25Yes
SD Card slot25No
In-vehicle Internet150Yes
App support0Yes
Navigation map updates, three years0No
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested89097%
Total Not Requested253%

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