I8 ROADSTER vs CT5-V
BMW · Cadillac
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 I8 ROADSTER suits buyers who prioritise raw power; the CT5-V appeals to those after a more focused experience.
FAQ
Which is faster, the I8 ROADSTER or the CT5-V?
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 I8 ROADSTER vs the CT5-V?
The I8 ROADSTER hits 100 km/h in 4.4 seconds, while the CT5-V does it in 4.6 seconds.
How much horsepower does each car have?
The I8 ROADSTER produces 369 hp; the CT5-V produces 360 hp.
What are the top speeds?
The I8 ROADSTER tops out at 250 km/h, and the CT5-V reaches 250 km/h.
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