Pffft 3000 rpm on the highway! Mine consistently runs 4000-4500+ on the highway, I typically run mine at 80 mph but sometimes closer to 90 and have yet to suffer any problems, I also have a 10 yr/ 120k bumper to bumper warranty so I DGAF. I don't have to shift out of third til about 80 and it could definitely use a sixth gear.
I believe babying it at 60 mph it'd probably last forever.
View my fuel log 2014 Mirage DE 1.2 manual: 37.6 mpg (US) ... 16.0 km/L ... 6.2 L/100 km ... 45.2 mpg (Imp)