BMW2018 i8 Coupé Specs

2018 (I12) BMW i8 Coupé Specs & Performance

2018, 2019, 2020 (I12)

Tech Specs Summary


1.5 L Inline 3 Turbo PHEV

155 mph

4.4 seconds

369 hp

130.6 mpg

2 Doors

2+2 Seats

5.4 ft3
lb
3,384 lbs
Rear Mid - 4WD

Performance

Performance
Top Speed
155 mph
0-62 mph
4.4 seconds
0-60 mph
4.3 seconds
Power-to-Weight
9.17 lb/hp
Combined Power
369 hp
Combined Torque
420 lb·ft

Gas Mileage

Gas Mileage
Combined
130.6 mpg
Tailpipe CO2
68 g/Mile

Electric Powertrain - Plug-in Hybrid

Electric Powertrain - Plug-in Hybrid
Peak Power
141 hp
143 ps
Peak Output
105 kW
Peak Torque
184 lb·ft
250 N·m
E-Mode
22.5 kWh/100mi.
14 kWh/100km
E-Mode MPGe
149.5 MPGe
E-Mode Range
41 Miles
Battery Size
9.4 kWh (net)
11.6 kWh (gross)
Charge Time (est.)
1.7 Hrs (7kW)
1.1 Hrs (11kW)

Gasoline Engine - Plug-in Hybrid

Gasoline Engine - Plug-in Hybrid
Capacity
1.5 Liter
91.5 in3
Layout
Inline 3
Aspiration
Turbo
Peak Power
228 hp @ 5,800 RPM
231 ps @ 5,800 RPM
Peak Torque
236 lb·ft @ 3,700 RPM
320 N·m @ 3,700 RPM
Valvetrain
DOHC
Valves/Cylinder
4 (12v Total)
Fuel Delivery
Direct Injection
Position
Rear Mid Engine
Orientation
Transversal
Fuel
Gasoline
Fuel Tank Capacity
7.9 Gallons

More Engine Specs

More Engine Specs
Engine Name
B38K15
Compression Ratio
9.5:1
Bore x Stroke
3.228 x 3.724 in
Bore-Stroke Ratio
0.87:1
Under-Square
Specific Output
2.49 hp/in3
Power/Cylinder
76 hp
Cylinder Volume
30.5 in3
BMEP
389.1 PSI
26.8 Bar

Drivetrain & Chassis

Drivetrain & Chassis
Driven Wheels
4WD
Four-wheel Drive
Transmission (AT)
6 Speeds
Front Tyre Size
195/50R20 W
Rear Tyre Size
215/45R20 W
Front Suspension
Double Wishbone
Rear Suspension
Multi-Link
Front Brakes
Vented Disc
Rear Brakes
Vented Disc

Dimensions & Practicality

Dimensions & Practicality
Body
Sports Coupé
Door Count
2
Seat Count
2+2
Luggage Space
5.4 ft3
Turning Radius
40.4 ft
Curb Weight
3,384 lbs
Gross Weight
4,200 lbs
Maximum Payload
816 lbs
Length
184.6 in
Width
76.5 in
Height
50.9 in
Wheelbase
110.2 in
Front Track
64.7 in
Rear Track
67.8 in
★★★★★
★★★★★
4.6

Performance Rating3.6
Environment Rating4
Practicality Rating1.6

Pros & Cons vs Rivals

Performance
Environment
Practicality
Luggage
City Driving
Road Trips

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2018 BMW i8 Coupé Rankings

Fastest BMWs #19 / 1.7K
Best MPG Coupes #24 / 2.7K
Top HP/cu in BMWs #35 / 1.6K
Best MPG BMWs #64 / 1.7K
Best 0-62 mph BMWs #105 / 1.7K
Top Power/Weight BMWs #107 / 1.7K
Top BHP BMWs #224 / 1.7K
Best MPG Plug-In Hybrid #248 / 400+
Top lb·ft BMWs #311 / 1.7K
Quickest 0-62 Coupes #566 / 2.7K
2010s Fastest Accelerating #602 / 9.2K
Best MPG #703 / 23K
2010s Fastest #795 / 9.2K
Most Powerful Coupes #807 / 2.7K
Fastest Coupes #868 / 2.7K
2010s Most Powerful #1,189 / 9.2K
Quickest 0-62 mph #1,269 / 23K
Fastest #1,788 / 23K
Most Powerful #2,335 / 23K
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