It's all about the details, and a little bit of math.

SAE International Engineering Standards   A. Approach Angle (16°) B. Departure Angle (16°) C. Curbstone Height Clearance 203mm (8in) D. Ramp Breakover Angle (12°)

SAE International Engineering Standards A. Approach Angle (16°) B. Departure Angle (16°) C. Curbstone Height Clearance 203mm (8in) D. Ramp Breakover Angle (12°)

Modern cars have never looked better with their longer front ends, swooping body curves, and lower stance.

The problem lies in the allowed clearance of your cars front end and the building codes of the streets you drive on.

Today's building codes allow driveway entrances that can be up to 40% steeper than the approach angle on your car.

Standard Driveway Allowances  12° - 16°

Standard Driveway Allowances 12° - 16°

Today's Sedan and Coupe Allowances  7° - 10°

Today's Sedan and Coupe Allowances 7° - 10°