-limiter abruptly interrupts forward progress; so you upshift and all is well again. We accelerated all the way up to 85 mph in fourth gear, and the engine stayed with us all the way. But you can't expect miracles from 103 horsepower, and Aveo won't exactly catapult you toward the horizon if you stomp it at 65 mph in fifth.Out on a Texas Interstate we ran with the 80-mph traffic,