BMW i8 BMW i8 2017 Mercedes-Benz SL Mercedes-Benz SL 2018

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BMW i8 vs. Mercedes-Benz SL 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 SL Invoice Comparison

Lowest Total Price: $89,195

Mercedes-Benz SL SL450   
Difference: $53,407

Calculate Payments

  Down Payment Interest Rate Term
Model Year20172018201820182018
Modeli8SLSLSLSL
TrimBaseSL450SL550AMG SL63AMG SL65
Body2dr Coupe2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $143,400 $88,200 $112,300 $152,850 $222,000
Giga World 2,000        
Wood trim       0 0
Giga World 1,840        
Wood trim       0 0
Options (change) 2,000 0 0 0 0
Options (change) 1,840 0 0 0 0
Destination 995 995 995 995 995
Gas Tax -3,793 0 0 0 1,300
Total Price $142,602 $89,195 $113,295 $153,845 $224,295

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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 SL dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price: Mercedes-Benz SL SL450
Lowest Adjusted Invoice: Mercedes-Benz SL AMG SL63
TrueDelta Adjusted Price Difference: $60,547
TrueDelta Adjusted Invoice Difference: $132,188
Model Year20172018201820182018
Modeli8SLSLSLSL
TrimBaseSL450SL550AMG SL63AMG SL65
Body2dr Coupe2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine357hp I3 PiH362hp V6449hp V8577hp V8621hp V12
TransmissionT6T9T9T7T7
DrivetrainAWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)360, 11600, 11600, 11600, 11900, 12
Tire (rear if not all the same)215/45-20255/35-19255/35-19255/35-19255/35-19
Total Price$142,602$89,195$113,295$153,845$224,295
Adjustments for Features0-7,140-10,190-15,665-19,765
Feature-Adjusted Total Price$142,602$82,055$103,105$138,180$204,530
Cost Above Minimum$0$0$21,050$56,125$122,475

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Features Comparison: BMW i8 vs. Mercedes-Benz SL

Model Year20172018201820182018
Modeli8SLSLSLSL
TrimBaseSL450SL550AMG SL63AMG SL65
Body2dr Coupe2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100    
9-speed manually-shiftable automatic $1400$1400  
7-speed manually-shiftable automatic   $1200$1200
AWD$1700    
RWD $0$0$0$0
Accessories 
Adaptive cruise control, all-speed    $850
Cruise control$150$150$150$150 
Hands-free trunk or liftgate  $100$100$100
Power door closers    $300
Power trunk closer  $350$350$350
Proximity key$250 $250$250$250
Remote window/roof operation $15$15$15$15
Semi-automated parking system  $500$500$500
Tilt/telescoping steering wheel, manual$250    
Tilt/telescoping steering wheel, power $350$350$350$350
Wind blocker, power small $300$300$300$300
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0$0$0
Around view cameras$500    
Auto-raising roll bars / headrests $500$500$500$500
Automatic braking, high-speed or partial $200$200$200$200
Blind spot collision prevention    $150
Blind spot warning system$200   $200
Brake- or yaw-sensor-initiated collision preparation system $0$0$0 
Collision preparation system, rear    $100
Cross-traffic detection for collision preparation system    $0
Cross-traffic warning, rear    $100
Lane departure warning$200   $200
Lane keeping assist    $400
Obstacle detection, front$150 $150$150$150
Obstacle detection, rear$250 $250$250$250
Pedestrian detection$50   $50
Radar- or camera-based collision preparation system    $0
Rearview camera  $200$200$200
Tires, run-flat $150$150  
Torque vectoring, brake-based $100$100$100$100
Wide-view front camera$150    
Cargo Management 
Air-conditioned storage compartment $50$50$50$50
Storage compartment under front seat(s) $50$50$50$50
Climate Control 
Adaptive windshield washer system $0$0$0$0
Heated washer fluid system $50$50$50$50
Rear air vents with manual controls$150    
Washer fluid outlets in wiper blade $100$100$100$100
Wiper de-icer $25$25$25$25
Drivetrain 
Limited-slip rear differential   $300$300
Engine / Motor 
3.3 kW onboard charger$0    
7 kWh battery pack$0    
Dual-mode exhaust, switchable $500$500$500$500
Mid-engine configuration$0    
Raised top speed limiter   $0$0
Exterior 
Bright-finished exhaust tip(s) $25$25$25$25
Carbon fiber body structure$0    
Electronically-variable tint, sunroof or glass roof panel    $2000
Glass roof panel(s) $300$300$300$300
Power retractable hardtop $6750$6750$6750$6750
Rear spoiler   $200$200
Infotainment 
Android Auto support $100$100$100$100
Apple CarPlay support $100$100$100$100
CD player $125$125$125$125
Concierge Services - 3 year subscription$150    
DVD-compatible player $0$0$0$0
Handwriting recognition$200    
iPod integration $100$100$100$100
MP3-compatible player $50$50$50$50
Navigation map updates, three years $0$0$0$0
S Voice support$0    
Satellite radio $200$200$200$200
Satellite radio - one year subscription$250    
SD Card slot $25$25$25$25
Siri Eyes Free support$0    
Telematics service, such as OnStar$200    
Telematics service, such as OnStar, with navigation $225$225$225$225
Text dictation$50    
USB port$25    
Voice control for external devices$0    
Voice recorder$0    
Wi-Fi hotspot $50$50$50$50
Instruments, Lights, and Mirrors 
Analog clock $25$25  
Auto-dimming headlights $200$200$200$200
Auto-dimming passenger-side mirror$75    
Chronometer   $100$100
Cornering lights $50$50$50$50
Fog light, rear $100$100$100$100
Head-up display (HUD)$350    
Large color reconfigurable instrument cluster display$250    
Mirror tilt-down in reverse $25$25$25$25
Steering-linked headlights $150$150$150$150
Turn signals on or near mirrors $25$25$25$25
Seats and Interior Trim 
Automatic seat bolsters, driver  $300$300$300
Automatic seat bolsters, front passenger  $300$300$300
Cooled or ventilated front seats  $300$300$300
Illuminated door sill trim plates $200$200$200$200
Massage, driver seat  $100$100$100
Massage, passenger seat  $100$100$100
Memory system, passenger seat $150$150$150$150
Metal pedals $75$75$75$75
Neck-level heating, front seats  $150$150$150
No leather in second row $-300$-300$-300$-300
Power 4-way lumbar adjuster, driver seat $150$150$150$150
Power 4-way lumbar adjuster, passenger seat $150$150$150$150
Power headrest height adjuster, driver seat $50$50$50$50
Power headrest height adjuster, passenger seat $50$50$50$50
Power thigh support length adjuster, driver seat $100$100$100$100
Power thigh support length adjuster, passenger seat $100$100$100$100
Power tilt adjuster, driver seat $100$100$100$100
Power tilt adjuster, passenger seat $100$100$100$100
Synthetic suede headliner   $650$650
Wood trim $300$300$300$300
Suspension, Wheels, and Tires 
Active curve tilting   $1000$1000
Adaptive dampers - electrical$500$500$500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable   $4000$4000
Sport suspension (upgrade)   $0 
Ultra-sport suspension (upgrade)    $0
Transmission 
Launch control   $100 
Total Value of Features$7,150$14,290$17,340$22,815$26,915
Value of Feature Adjustments$0$7,140$10,190$15,665$19,765
Value of Feature Adjustments0-80-89-101-202

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Specifications Comparison: BMW i8 vs. Mercedes-Benz SL

Model Year20172018
Modeli8SL
Body2dr Coupe2dr Hardtop conv.
Wheelbase110.2 in101.7 in
Length184.9 in182.3 in
Width76.5 in73.9 in
Height50.8 in51.2 in
Curb Weight3,456 lb.3,827 lb.
Fuel Capacity11.1 gal.19.8 gal.
Row 1 Headroom38.7 in39.1 in
Row 1 Shoulder Room61.1 in55.5 in
Row 1 Legroom0.0 in42.9 in
Row 2 Headroom32.4 in0.0 in
Row 2 Shoulder Room51.5 in0.0 in
Cargo Volume,
Minimum
4.7 ft38.5 ft3
Cargo Volume,
Maximum
4.713.5 ft3

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