What is a safe RPM to drive at?
The ideal RPM for any vehicle is 1500 RPM to 3000 RPM. In this range, you can save up on a lot of fuel by driving efficiently.
Is 3000 RPM safe?
For Diesel engines it is recommended to drive from 2000 to 2500–3000 RPM. That's because diesel engines require less RPM for speed, while for petrol it's a little opposite. For petrol engines it's recommended to drive from 2300 to 3000–3500 RPM.
How many RPMs is too high?
How high is too high for cruising RPMs? For most modern vehicle, you should not cruise above 2500 to 3000 rpm. Most of the turbo-charged engines develop a lot of more torque around 1800 to 2600 rpm range. Older engines, torque didn't peak until 3500+ rpm.
What is the normal RPM range?
Usually the idling rpm ranges from 600–1000 rpms. In modern cars, it's about 900–1200rpm.