I8 Roadster vs X3 M50 xDrive
BMW · BMW
1/4 Mile winner
I8 Roadster
Beats the X3 M50 xDrive by 0.00s
The verdict
In a quarter-mile drag race, the I8 Roadster beats the X3 M50 xDrive by a hair, finishing 0.00 seconds ahead. It's tight on paper, but our simulator gives the edge to the I8 Roadster thanks to a slightly better power-to-weight balance.
Spec head-to-head
Power
369 hp
393 hp
0–100 km/h
4.4s
4.4s
Top speed
250 km/h
250 km/h
Engine
ELECTRIC MOTOR
3.0L Turbo I6 MHEV
Fuel
Hybrid
Mild Hybrid
Torque
570 Nm
580 Nm
Price
$165,000
$65,000
Simulated race times
Distance
I8 Roadster
X3 M50 xDrive
100 m
5.511s
5.511s
1/8 mile
8.173s
8.173s
1/4 mile
12.348s
12.348s
1 km
22.372s
22.372s
Acceleration curves
Who should buy which?
Price: X3 M50 xDrive is $65,000 vs $165,000 for the I8 Roadster — a $100,000 gap. Power: X3 M50 xDrive makes 24 hp more (369 vs 393).
FAQ
Which is faster, the I8 Roadster or the X3 M50 xDrive?
In our simulated 1/4 mile drag race, the I8 Roadster is faster, beating the X3 M50 xDrive by 0.00 seconds.
What is the 0–100 km/h time of the I8 Roadster vs the X3 M50 xDrive?
The I8 Roadster hits 100 km/h in 4.4 seconds, while the X3 M50 xDrive does it in 4.4 seconds.
How much horsepower does each car have?
The I8 Roadster produces 369 hp; the X3 M50 xDrive produces 393 hp.
What are the top speeds?
The I8 Roadster tops out at 250 km/h, and the X3 M50 xDrive reaches 250 km/h.
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