FaultScore

Worst years for a International Prostar

Owners have filed 54 complaints about the International Prostar with NHTSA across model years 2008 to 2017. More of them are about the engine & cooling than anything else.

Avoid

2013 International Prostar

15 complaints — the highest FaultScore of any year, mostly engine & cooling.

Cleanest on record

2012 International Prostar

10 complaints — the lowest FaultScore of the graded years.

Every International Prostar year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2017 1 0 0 Fuel & Propulsion
2014 5 0 0 Engine & Cooling
2013 D 15 0 3 301,272 Engine & Cooling
2012 C 10 0 0 14,000 Engine & Cooling
2011 6 0 0 225,000 Engine & Cooling
2010 C 11 2 1 202,630 Engine & Cooling
2009 4 1 1 Engine & Cooling
2008 2 0 0 Tires

What breaks on a International Prostar

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Engine & Cooling 16 29.6%

Worst in 2013

Electrical System 7 13.0%

Worst in 2012

Acceleration & Cruise Control 5 9.3%

Worst in 2013

Fuel & Propulsion 5 9.3%

Worst in 2013

Brakes 4 7.4%

Worst in 2010

Suspension 3 5.6%

Worst in 2011

Other & Unspecified 3 5.6%

Worst in 2009

Tires 2 3.7%

Worst in 2008

Wheels 2 3.7%

Worst in 2011

Transmission & Drivetrain 1 1.9%

Worst in 2014

Steering 1 1.9%

Worst in 2010

Body & Structure 1 1.9%

Worst in 2013

Lights 1 1.9%

Worst in 2013

Windows, Mirrors & Wipers 1 1.9%

Worst in 2010

Complaints filed over time

Every complaint about every International Prostar, by the month it reached NHTSA.

Apr 2010 peak 5 May 2026

Compare the International Prostar

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.