BMW i8 BMW i8 2015 Mercedes-Benz SL Mercedes-Benz SL 2014

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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: $107,625

Mercedes-Benz SL SL550   
Difference: $28,077

Lowest Total Invoice: $100,156

Mercedes-Benz SL SL550   
Difference: $25,126

Calculate Payments

  Down Payment Interest Rate Term
Model Year2015201420142014
Modeli8SLSLSL
TrimBaseSL550SL63 AMGSL65 AMG
Body2dr Coupe2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Base Price $136,500 $106,700 $147,300 $214,500
Base Invoice $126,260 $99,231 $136,989 $199,485
Giga World 2,000      
Wood trim     0 0
Giga World 1,820      
Wood trim     0 0
Options (change) 2,000 0 0 0
Options (change) 1,820 0 0 0
Destination 995 925 925 925
Gas Tax -3,793 0 0 1,300
Total Price $135,702 $107,625 $148,225 $216,725
Total Invoice $125,282 $100,156 $137,914 $201,710

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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.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Mercedes-Benz SL SL550
TrueDelta Adjusted Price Difference: $36,107
TrueDelta Adjusted Invoice Difference: $32,599
Model Year2015201420142014
Modeli8SLSLSL
TrimBaseSL550SL63 AMGSL65 AMG
Body2dr Coupe2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Engine357hp I3 PiH429hp V8530hp V8621hp V12
TransmissionT6T7T7T7
DrivetrainAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)360, 11600, 14600, 14900, 12
Tire (rear if not all the same)215/45-20255/40-18255/35-19255/35-19
Total Price$135,702$107,625$148,225$216,725
Adjustments for Features0-8,030-12,705-19,305
Feature-Adjusted Total Price$135,702$99,595$135,520$197,420
Cost Above Minimum$0$0$35,925$97,825
Total Invoice$125,282$100,156$137,914$201,710
Adjustments for Features0-7,473-11,821-17,968
Feature-Adjusted Total Invoice$125,282$92,683$126,093$183,742
Cost Above Minimum$0$0$33,410$91,059

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Features Comparison: BMW i8 vs. Mercedes-Benz SL

Model Year2015201420142014
Modeli8SLSLSL
TrimBaseSL550SL63 AMGSL65 AMG
Body2dr Coupe2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100   
7-speed manually-shiftable automatic $1200$1200$1200
AWD$1700   
RWD $0$0$0
Accessories 
Adaptive cruise control, all-speed   $850
Cruise control$150$150$150 
Hands-free trunk or liftgate $100$100$100
Power door closers   $300
Power trunk closer $350$350$350
Remote window/roof operation $15$15$15
Semi-automated parking system $500$500$500
Tilt/telescoping steering wheel, manual$250   
Tilt/telescoping steering wheel, power $350$350$350
Wind blocker, power small $300$300$300
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0$0$0
Around view cameras$500   
Auto-raising roll bars / headrests $500$500$500
Automatic braking, high-speed or partial   $200
Automatic braking, low-speed$200  $200
Blind spot collision prevention   $150
Blind spot warning system$200  $200
Brake- or yaw-sensor-initiated collision preparation system $0$0 
Forward collision warning$200  $200
Lane departure collision mitigation$50   
Lane departure prevention   $150
Lane departure warning$200  $200
Night vision   $1750
Pedestrian detection$50   
Radar- or camera-based collision preparation system   $0
Rearview camera $200$200$200
Tires, run-flat $150  
Torque vectoring, brake-based $100$100$100
Wide-view front camera$150   
Cargo Management 
Air-conditioned storage compartment $50$50$50
Storage compartment under front seat(s) $50$50$50
Climate Control 
Adaptive windshield washer system $0$0$0
Heated windshield washer nozzles $15$15$15
Rear air vents with manual controls$150   
Wiper de-icer $25$25$25
Drivetrain 
Limited-slip rear differential   $300
Engine / Motor 
3.3 kW onboard charger$0   
7 kWh battery pack$0   
Mid-engine configuration$0   
Exterior 
Bright-finished exhaust tip(s) $25$25$25
Carbon fiber body structure$0   
Electronically-variable tint, sunroof or glass roof panel   $2000
Glass roof panel(s) $300$300$300
Power retractable hardtop $6750$6750$6750
Rear spoiler  $200$200
Infotainment 
CD changer, in-dash $325$325$325
Concierge Services - 3 year subscription$150   
DVD-compatible player $0$0$0
Handwriting recognition$200   
iPod integration $100$100$100
MP3-compatible player $50$50$50
S Voice support$0   
Satellite radio $200$200$200
Satellite radio - one year subscription$250   
SD Card slot $25$25$25
Siri Eyes Free support$0   
Telematics service, such as OnStar$200   
Telematics service, such as OnStar, with navigation $225$225$225
Text dictation$50   
USB port$25   
Voice control for external devices$0   
Voice recorder$0   
Instruments, Lights, and Mirrors 
Analog clock $25  
Auto-dimming headlights $200$200$200
Auto-dimming passenger-side mirror$75   
Chronometer  $100$100
Cornering lights $50$50$50
Fog light, rear $100$100$100
Fog lights $125$125$125
Head-up display (HUD)$350   
Headlight washers $50$50$50
Interior ambient lighting $150$150$150
Interior ambient lighting, configurable$150   
Large color reconfigurable instrument cluster display$250   
LED headlights$1000   
Mirror tilt-down in reverse $25$25$25
Steering-linked headlights $150$150$150
Turn signals on or near mirrors $25$25$25
Xenon HID headlights $500$500$500
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
Door sill trim plates $100  
Illuminated door sill trim plates  $200$200
Leather headliner   $1000
Massage, driver seat $100$100$100
Massage, passenger seat $100$100$100
Memory system, passenger seat $150$150$150
Metal pedals $75$75$75
Neck-level heating, front seats $150$150$150
No leather in second row $-300$-300$-300
Power 4-way lumbar adjuster, driver seat $150$150$150
Power 4-way lumbar adjuster, passenger seat $150$150$150
Power headrest height adjuster, driver seat $50$50$50
Power headrest height adjuster, passenger seat $50$50$50
Power thigh support length adjuster, driver seat $100$100$100
Power thigh support length adjuster, passenger seat $100$100$100
Power tilt adjuster, driver seat $100$100$100
Power tilt adjuster, passenger seat $100$100$100
Synthetic suede headliner  $650 
Wood trim $300$300$300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500  
Adaptive hydraulic struts, auto-leveling and ht. adjustable  $4000$4000
Electronic systems calibration selector$200 $200$200
Sport suspension (upgrade)  $0$0
Transmission 
Launch control  $100 
Total Value of Features$8,300$16,330$21,005$27,605
Value of Feature Adjustments$0$8,030$12,705$19,305
Value of Feature Adjustments0-7,473-11,821-17,968

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Specifications Comparison: BMW i8 vs. Mercedes-Benz SL

Model Year20152014
Modeli8SL
Body2dr Coupe2dr Hardtop conv.
Wheelbase110.2 in101.8 in
Length184.9 in181.8 in
Width76.5 in73.9 in
Height50.8 in51.8 in
Curb Weight3,456 lb.4,002 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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