Most low-profile car ramps are designed to support vehicles with a total weight capacity of 4,400 lbs (approximately 2,000 kg) to 6,600 lbs (approximately 3,000 kg) per pair. This usually translates to 2,200 lbs to 3,300 lbs per ramp (or per axle), as the weight is distributed across two ramps.
Regards, BSD Brawl