BMW i8 BMW i8 2014 Mercedes-Benz SLK Mercedes-Benz SLK 2016

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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: $78,590

Mercedes-Benz SLK AMG SLK55   
Difference: $56,267

Lowest Total Invoice: $73,154

Mercedes-Benz SLK AMG SLK55   
Difference: $50,848

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142016
Modeli8SLK
TrimBaseAMG SLK55
Body2dr Coupe2dr Hardtop conv.
Base Price $135,700 $72,600
Base Invoice $125,025 $67,518
Giga World 2,000  
Premium 2 Package   3,050
Premium 3 Package   1,295
Metallic paint (extra cost)   720
Giga World 1,820  
Premium 2 Package   2,837
Premium 3 Package   1,204
Metallic paint (extra cost)   670
Options (change) 2,000 5,065
Options (change) 1,820 4,711
Destination 950 925
Gas Tax -3,793 0
Total Price $134,857 $78,590
Total Invoice $124,002 $73,154

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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 AMG SLK55
TrueDelta Adjusted Price Difference: $60,842
TrueDelta Adjusted Invoice Difference: $55,107
Model Year20142016
Modeli8SLK
TrimBaseAMG SLK55
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$134,857$78,590
Adjustments for Features0-4,575
Feature-Adjusted Total Price$134,857$74,015
Total Invoice$124,002$73,154
Adjustments for Features0-4,259
Feature-Adjusted Total Invoice$124,002$68,895

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Features Comparison: BMW i8 vs. Mercedes-Benz SLK

Model Year20142016
Modeli8SLK
TrimBaseAMG SLK55
Body2dr Coupe2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
AWD$1700 
RWD $0
Accessories 
Remote window/roof operation $15
Semi-automated parking system $500
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 
Forward collision warning$200 
Lane departure collision mitigation$50 
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 
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 
Electronic systems calibration selector$200 
Sport suspension (upgrade) $0
Total Value of Features$8,425$13,000
Value of Feature Adjustments$0$4,575
Value of Feature Adjustments0-4,259

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Specifications Comparison: BMW i8 vs. Mercedes-Benz SLK

Model Year20142016
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.3,528 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 AMG SLK55

Premium 2 Package
FeatureValueRequested?
Automatic climate control, front200Yes
Dual-zone climate control125Yes
Blind spot warning system200Yes
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 Requested141598%
Total Not Requested252%
Premium 3 Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Lane departure warning system200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Parking guidance system - active500No
Total Requested110069%
Total Not Requested50031%

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