CT5-V vs I8 ROADSTER
Cadillac · BMW
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
Simulated race times
Acceleration curves
Who should buy which?
If budget is the deciding factor, the CT5-V is the obvious pick at $50,995 versus the I8 ROADSTER's $165,000. Both are formidable. The CT5-V suits buyers who prioritise balance and finesse; the I8 ROADSTER appeals to those after the bigger output.
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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