Driving & Engineering
Bigger Wheels: What Changes, What Does Not
A larger wheel can leave the tire's overall diameter almost unchanged. Learn the sidewall, comfort, mass and fitment questions worth asking.
Roadfelt / Driving
Driving & Engineering
The engineering behind the numbers. The details behind the drive.
Driving & Engineering
Steering Ratio vs Steering Feel: What the Numbers Miss
A quick steering ratio describes angle changes. It cannot tell you how natural, informative or comfortable the steering will feel.
Driving & Engineering
Why a Car Can Feel Light Without Being Light
Separate mass, steering effort and body response to understand what a car's light-on-its-feet feeling actually tells you.
Driving & Engineering
Horsepower, Torque and Gearing: What Actually Moves the Car
Engine torque is only the start. Understand how rpm, gearing, tires and traction turn an impressive specification into useful acceleration.
Driving & Engineering
Peak Charging Power vs the Charging Curve
Why an EV’s maximum charging power cannot tell you the length of your next stop, and which numbers make a fairer comparison.