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GUIDES FOR HYBRID & PLUG-IN HYBRID DRIVERS

Make sense
of your engine miles.

Practical answers for your fuel log, your next fill-up, and the miles in between.

Start with the basics.

A useful estimate starts with a consistent fuel log.

THE BASICS

How to estimate your PHEV’s engine miles

Turn fill-ups into an engine-mile estimate, with worked examples and a clear explanation of its limits.

Read the guide 4-minute read

YOUR STARTING POINT

Gas-only MPG, dashboard MPG & MPGe

Find the gasoline-mode fuel economy to use and understand why your dashboard average can be much higher.

Read the guide 3-minute read

YOUR FUEL LOG

Full tanks & partial fill-ups

Set a full-tank baseline and keep a useful record, even when you only buy a few gallons.

Read the guide 3-minute read

Find your plug-in hybrid.

Worked examples for Toyota Prime owners, with model-year details.

TOYOTA RAV4 PRIME

Tracking engine miles in a RAV4 Prime

Choose gas-mode MPG, work through a RAV4 Prime example, and start a log that separates fuel use from total distance.

Read the guide 3-minute read

TOYOTA PRIUS PRIME

Tracking engine miles in a Prius Prime

Understand trim-specific MPG and estimate gasoline-engine miles alongside your plugged-in driving.

Read the guide 3-minute read

Keep the bigger picture.

Your engine-mile estimate is one part of your vehicle’s history.

YOUR MAINTENANCE RECORD

Engine miles, oil changes & the calendar

Use your engine-mile history as context while following the manufacturer’s mileage and time-based service schedule.

Read the guide 3-minute read