Should I buy a 2015–2020 Toyota Prius 1.8 Hybrid Automatic?

Explore common problems, estimated repair costs and practical checks for the 2015–2020 Toyota Prius 1.8 Hybrid Automatic. Use this guide to help assess a used car, then unlock a personalised report for the exact vehicle you're considering.

Common problems

1High Likelihood

Brake booster pump failure

Brake pedal feels unusually hard, warning lights may appear, or braking effort suddenly increases.

How to check

Drive at low speed in a safe area and make a few normal stops after the car has warmed up.

Estimated Repair Cost

£0

2High Likelihood

Instrument cluster can go blank

The main dash screen goes blank or flickers, leaving no speed or fuel display.

How to check

Start the car, drive briefly, and watch the main display throughout the trip.

Estimated Repair Cost

£0

3Moderate Likelihood

Front brakes can corrode or bind from light hybrid use

Grinding after rain, pulsing through the pedal, uneven braking, or a car that feels reluctant to roll freely.

How to check

Drive normally, brake gently and then a bit more firmly from moderate speed.

Estimated Repair Cost

£450

MOT Failure Rate

0%5%10%15%20%0–20,000 miles: 8.2% (863 failed / 10,508 tests)20,000–40,000 miles: 9.5% (2,198 failed / 23,239 tests)40,000–60,000 miles: 10.7% (2,543 failed / 23,671 tests)60,000–80,000 miles: 12.5% (2,334 failed / 18,603 tests)80,000–100,000 miles: 13.9% (1,967 failed / 14,198 tests)100,000–120,000 miles: 15.0% (1,563 failed / 10,424 tests)120,000–140,000 miles: 16.2% (1,298 failed / 8,028 tests)140,000–160,000 miles: 16.2% (943 failed / 5,831 tests)160,000–180,000 miles: 17.2% (759 failed / 4,425 tests)180,000–200,000 miles: 17.5% (547 failed / 3,121 tests)020k40k60k80k100k120k140k160k180k200kMilesFailure rate
2015–2020 Toyota Prius 1.8 Hybrid Automatic

Toyota Prius buying questions

Is a 2015–2020 Toyota Prius worth buying?

It can be, but only if the individual car backs it up. For the 2015–2020 Toyota Prius 1.8 Hybrid Automatic, treat model-level patterns as viewing priorities and let condition, history and inspection evidence decide.

What common problems affect the Toyota Prius (2015–2020)?

The problem cards above list the model-level checks for this guide. Read them as priorities for inspection and paperwork review, not proof that every example will have those faults.

What should I check before buying a Toyota Prius?

Look for evidence, not just assurances: MOT advisories, service history, repair invoices, warning lights, fluid leaks, tyre and brake condition, and how the car behaves on a proper test drive. And of course, look at your personalised Should I Buy This Car? report, outlining a full list of common issues in detail, a personalised road test, a plain-English explanation and a MotorIQ score.

A model guide is useful. A report on its registration is better.

The guide above gives you the model-level pattern. A personalised MotorIQ report checks the registration-specific record and turns it into an ownership view before you commit.

Or enter the vehicle manually