A rare V8 engine, paired with an even rarer transmission, could be worth a lot more today. When it comes to gearboxes, we find that there is one high-performance 4-speed manual from General Motors ...

with that output distributed to the rear wheels via the six-speed manual transmission. Equipped with a manual, the 2024 GR ...

In most, we found the manual delivered better mpg overall. In a few cases, however, the latest automatic-transmission designs, including six-speed automatics, actually surpass their manual ...