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M340i XDRIVE vs I8 ROADSTER

BMW · BMW

1/4 Mile winner
M340i XDRIVE
Beats the I8 ROADSTER by 0.33s
Watch them race →

The verdict

In a quarter-mile drag race, the M340i XDRIVE beats the I8 ROADSTER comfortably, finishing 0.33 seconds ahead. Off the line, the M340i XDRIVE is the quicker car (0–100 in 4.1s vs 4.4s) and that early lead carries to the line.

Spec head-to-head

Power
382 hp
369 hp
0–100 km/h
4.1s
4.4s
Top speed
250 km/h
250 km/h
Engine
I6
ELECTRIC MOTOR
Fuel
Petrol
Hybrid
Torque
500 Nm
570 Nm
Price
$57,000
$165,000

Simulated race times

Distance
M340i XDRIVE
I8 ROADSTER
100 m
5.340s
5.511s
1/8 mile
7.934s
8.173s
1/4 mile
12.020s
12.348s
1 km
21.902s
22.372s

Acceleration curves

Who should buy which?

If budget is the deciding factor, the M340i XDRIVE is the obvious pick at $57,000 versus the I8 ROADSTER's $165,000. Both are formidable. The M340i XDRIVE suits buyers who prioritise raw power; the I8 ROADSTER appeals to those after a more focused experience.

FAQ

Which is faster, the M340i XDRIVE or the I8 ROADSTER?

In our simulated 1/4 mile drag race, the M340i XDRIVE is faster, beating the I8 ROADSTER by 0.33 seconds.

What is the 0–100 km/h time of the M340i XDRIVE vs the I8 ROADSTER?

The M340i XDRIVE hits 100 km/h in 4.1 seconds, while the I8 ROADSTER does it in 4.4 seconds.

How much horsepower does each car have?

The M340i XDRIVE produces 382 hp; the I8 ROADSTER produces 369 hp.

What are the top speeds?

The M340i XDRIVE tops out at 250 km/h, and the I8 ROADSTER reaches 250 km/h.

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