Compare 2015 BMW i8 vs 2015 Porsche 918 Spyder

2015 BMW i8
2015 Porsche 918 Spyder
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Select style
2-Door Coupe
Style MPG City MPG Hwy Invoice MSRP
2-Door Coupe N/A N/A $126,080 $136,500
Select style
2-Door Roadster
Style MPG City MPG Hwy Invoice MSRP
2-Door Roadster 20 24 N/A $845,000
2-Door Roadster w/Weissach Pkg 20 24 N/A $929,000
Pricing
Invoice Price
$126,080
N/A
Manufacturer Suggested Retail Price
$136,500
$845,000
Monthly Payment Estimate
$2275 / month
$14083 / month
The Car Connection's Take
TCC Rating
8.4
8.8
TCC’s Bottom Line
The 2015 BMW i8 is a ground-breaking new sports coupe with a plug-in hybrid powertrain that delivers several driving personalities from which the driver can choose. The 2015 Porsche 918 Spyder delivers unheralded levels of both performance and efficiency in a supercar.
TCC Likes
TCC Dislikes
Fuel Economy
City
N/A mpg 20 mpg
Highway
N/A mpg 24 mpg
Vehicle
EPA Classification
Subcompact Cars Two-Seaters
Interior Dimensions
Second Head Room (in)
32.4 -
Second Shoulder Room (in)
49.6 -
Front Head Room (in)
38.7 -
Passenger Volume (ft³)
81 -
Front Shoulder Room (in)
56.7 -
Second Leg Room (in)
28.2 -
Passenger Capacity
4 2
Front Leg Room (in)
43.1 -
Exterior Dimensions
Width, Max w/o mirrors (in)
76.5 76.4
Track Width, Front (in)
64.7 65.5
Length, Overall (in)
184.9 182.9
Height, Overall (in)
50.8 46
Track Width, Rear (in)
67.8 63.5
Wheelbase (in)
110.2 107.5
Cargo Area Dimensions
Trunk Volume (ft³)
4.7 -
Brakes
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
13.4 16.1
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
13 15.4
Fuel Tank
Fuel Tank Capacity, Approx (gal)
11.1 18.5
Steering
Steering Type
Rack-Pinion Rack-Pinion
Turning Diameter - Curb to Curb (ft)
40.4 41.7
Tires
Front Tire Size
P215/45YR20 P265/35YR20
Spare Tire Size
NA NA
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Rear Tire Size
P245/40YR20 P325/30YR21
Rear Tire Order Code
NA NA
Weight Information
Base Curb Weight (lbs)
3455 3692
Wheels
Spare Wheel Size (in)
NA NA
Rear Wheel Material
Aluminum Forged Aluminum
Rear Wheel Size (in)
20 X 8.5 21 X 12.5
Front Wheel Material
Aluminum Forged Aluminum
Spare Wheel Material
NA NA
Front Wheel Size (in)
20 X 7.5 20 X 9.5
Engine
SAE Net Torque @ RPM
420 944 @ 5000
Engine Order Code
NA NA
Displacement
1.5 L/91 4.6 L
SAE Net Horsepower @ RPM
357 @ 5800 887 @ 8600
Engine Type
Intercooled Turbo Gas/Electric I-3 Gas/Electric V-8
Fuel System
Gasoline Direct Injection Gasoline Direct Injection
Mileage
EPA MPG Equivalent - Combined
76 67
Fuel Economy Est-Combined (MPG)
28 (Est) 22
Battery Range (mi)
15 18
EPA Fuel Economy Est - Hwy (MPG)
- 24
EPA Fuel Economy Est - City (MPG)
- 20
Transmission
Sixth Gear Ratio (:1)
0.67 0.83
First Gear Ratio (:1)
4.46 3.91
Final Drive Axle Ratio (:1)
3.68 3.09
Third Gear Ratio (:1)
1.56 1.58
Trans Type
6 7
Fifth Gear Ratio (:1)
0.85 0.97
Trans Description Cont. Again
NA NA
Drivetrain
All Wheel Drive All Wheel Drive
Reverse Ratio (:1)
3.19 3.55
Second Gear Ratio (:1)
2.51 2.29
Trans Order Code
NA 250
Fourth Gear Ratio (:1)
1.14 1.19
Trans Description Cont.
Automatic w/OD Auto-Shift Manual w/OD
Seventh Gear Ratio (:1)
- 0.67
Summary
Body Style
Coupe Roadster
Vehicle Name
BMW i8 Porsche 918 Spyder
Suspension
Suspension Type - Front (Cont.)
Double Wishbone Double Wishbone
Suspension Type - Rear
Multi-Link Multi-Link
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link
Suspension Type - Front
Double Wishbone Double Wishbone

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