That's like asking what the benchmark for an engine is. It all depends on what you're trying to do with it. There's no single metric to compare a diesel semi tr

That's like asking what the benchmark for an engine is. It all depends on what you're trying to do with it. There's no single metric to compare a diesel semi truck engine to a 2 stroke golf cart. You need multiple measures and the importance of each is dependent on your workload.