More than a dozen cars without blue lights or sirens are being introduced at the region's ambulance service in an effort to support patients during peak times.
Fifteen hire cars are being brought in at the East of England Ambulance Service Trust, 10 of which were delivered to the Norfolk and Waveney area.
These vehicles will not have audible or visual warning systems and can only be driven at normal road speeds, even when on the way to emergencies.
An East of England Ambulance Service Trust spokesman said: "We are putting extra vehicles into service so that we can increase the capacity of our fleet at the busiest time of year.
"As well as increasing the number of frontline clinicians on the road, these additional vehicles will help us to respond to incidents where an ambulance response is not required, but some medical help is needed.
"This avoids unnecessary hospital admissions as patients can be directed to the most appropriate service that meets their needs."
The spokesman said the trust was looking at ways to improve response times and increase resources, including increasing frontline clinician numbers by 300, increasing clinical cover in control rooms and collaborating with first responders and fire services across the region.
They added that the trust is launching five unscheduled care hubs which coordinate and support in finding the right care for patients who do not require a 999 response.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here