International ProStar vs Freightliner Cascadia
Two sleeper rigs compared spec for spec: the ProStar (2006–2017, Up to 600 hp) against the Cascadia (2007–present, 350–605 hp). Same data we keep on every truck in the encyclopedia — and Mike on hand if the answer depends on your routes and loads.
ProStar
The aero workhorse that sold by the hundreds of thousands.
Cascadia
America's best-selling Class 8 truck.
| Spec | International ProStar | Freightliner Cascadia |
|---|---|---|
| Maker | International Motors, LLC (Traton SE / VW Group) | Daimler Truck North America |
| Class | Class 8 | Class 8 |
| Body type | Sleeper | Sleeper |
| Years | 2006–2017 | 2007–present |
| Rating | Up to 80,000 lb GCWR | Up to 80,000 lb GCWR |
| Power | Up to 600 hp | 350–605 hp |
| Engines | Cummins ISX, MaxxForce 13 | Detroit DD13, Detroit DD15, Detroit DD16, Cummins X15 |
| Applications | Long-haul, Regional | Long-haul, Regional, Team |
About the International ProStar
The result of five years and roughly $300 million in development, the ProStar (2006-2016) was built to deliver class-leading fuel efficiency for Class 8 on-highway work. Independent on-road testing confirmed it averaged 5.7% better fuel economy than the Freightliner Cascadia -- a margin Navistar pegged at nearly $4,000 a year (about 1,300 gallons) at 144,000 miles and $3 per gallon; the platform was later relaunched as the International LT.
About the Freightliner Cascadia
Launched in 2007 as Freightliner's flagship aerodynamic Class 8 on-highway tractor, the Cascadia became the first Class 8 truck in North America to reach 1 million units built, a milestone Daimler Truck celebrated on April 24, 2024. Across its generations the platform has improved fuel efficiency by more than 35 percent, cementing it as the continent's best-selling heavy truck.
Which one fits your operation?
Specs only get you so far — routes, loads and the shop that maintains it matter. Mike, the free AI truck consultant, talks it through with you. No account, 24/7.
