CT5-V vs I8 Roadster
Cadillac · BMW
1/4 Mile winner
I8 Roadster
Beats the CT5-V by 0.21s
The verdict
In a quarter-mile drag race, the I8 Roadster beats the CT5-V comfortably, finishing 0.21 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
360 hp
369 hp
0–100 km/h
4.6s
4.4s
Top speed
250 km/h
250 km/h
Engine
3.0L Twin-Turbo V6 Gasoline
ELECTRIC MOTOR
Fuel
Petrol
Hybrid
Torque
550 Nm
570 Nm
Price
$50,995
$165,000
Simulated race times
Distance
CT5-V
I8 Roadster
100 m
5.621s
5.511s
1/8 mile
8.328s
8.173s
1/4 mile
12.562s
12.348s
1 km
22.679s
22.372s
Acceleration curves
Who should buy which?
Price: CT5-V is $50,995 vs $165,000 for the I8 Roadster — a $114,005 gap. 0–100 km/h: I8 Roadster is 0.20s quicker (4.6s vs 4.4s).
FAQ
Which is faster, the CT5-V or the I8 Roadster?
In our simulated 1/4 mile drag race, the I8 Roadster is faster, beating the CT5-V by 0.21 seconds.
What is the 0–100 km/h time of the CT5-V vs the I8 Roadster?
The CT5-V hits 100 km/h in 4.6 seconds, while the I8 Roadster does it in 4.4 seconds.
How much horsepower does each car have?
The CT5-V produces 360 hp; the I8 Roadster produces 369 hp.
What are the top speeds?
The CT5-V tops out at 250 km/h, and the I8 Roadster reaches 250 km/h.
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