Quite simple, power/weight ratio with smaller engine usually won't win against brute force of a huge engine (provided good traction in both cases). Neither 0-100 nor beyond 250, which is what I was referring to.
Good example, Smart Coupé has about 4.9 ratio but will get smeared across the street by any big-engined car with higher ratio, say a SLR. Both have quite similar aerodynamics and traction, both are RWD.
EDIT: or here from Wiki:
Good example, Smart Coupé has about 4.9 ratio but will get smeared across the street by any big-engined car with higher ratio, say a SLR. Both have quite similar aerodynamics and traction, both are RWD.
EDIT: or here from Wiki:
In 2003 German tuninghouse Brabus created a prototype version of the Roadster Coupé with two merged 3-cylinder engines to celebrate the 100th anniversary of the Solituderennen. This V6 bi-turbo powerplant had a maximum power of 218 PS (215 hp/160 kW) for a weight of only 840 kg (1852 lb), giving it the same power-to-weight ratio as a Porsche 911 Carrera 4S. Smart claimed the car could accelerate to 100 km/h (62 mph) in under six seconds.
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