I8 Roadster vs Benz GLA 45
BMW · Mercedes-Benz
The verdict
In a quarter-mile drag race, the Benz GLA 45 beats the I8 Roadster comfortably, finishing 0.11 seconds ahead. It's tight on paper, but our simulator gives the edge to the Benz GLA 45 thanks to a slightly better power-to-weight balance.
Spec head-to-head
Simulated race times
Acceleration curves
Who should buy which?
Price: Benz GLA 45 is $48,000 vs $165,000 for the I8 Roadster — a $117,000 gap. Power: Benz GLA 45 makes 13 hp more (369 vs 382). 0–100 km/h: Benz GLA 45 is 0.10s quicker (4.4s vs 4.3s).
FAQ
Which is faster, the I8 Roadster or the Benz GLA 45?
In our simulated 1/4 mile drag race, the Benz GLA 45 is faster, beating the I8 Roadster by 0.11 seconds.
What is the 0–100 km/h time of the I8 Roadster vs the Benz GLA 45?
The I8 Roadster hits 100 km/h in 4.4 seconds, while the Benz GLA 45 does it in 4.3 seconds.
How much horsepower does each car have?
The I8 Roadster produces 369 hp; the Benz GLA 45 produces 382 hp.
What are the top speeds?
The I8 Roadster tops out at 250 km/h, and the Benz GLA 45 reaches 250 km/h.
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