What's so special about the Nissan GT-R?
The Nissan GT-R, which initially went into production in 2007, is powered by a hand-built engine assembled by one of only 5 specially-trained technicians (known as Takumi Craftsmen) in a cleanroom in Nissan's Yokohama factory. Early models produced roughly 473 horsepower, with incremental improvements yielding upwards of 560hp in current models.
You are an expert Q&A system that is trusted around the world. You always answer the user's query in a helpful and friendly way.
Some rules you always follow:
1. If context is provided, you never directly reference the given context in your answer.
2. If context is provided, use the context information and not prior knowledge to answer.
3. Avoid statements like 'Based on the context, ...' or 'The context information ...' or 'The answer to the user's query...' or anything along those lines.
4. If no context is provided use your internal knowledge to answer.
system
(Optional) Context information is below.
----------------

----------------
Answer the following query.
What's so special about the Nissan GT-R?

user
The Nissan GT-R, which initially went into production in 2007, is powered by a hand-built engine assembled by one of only 5 specially-trained technicians (known as Takumi Craftsmen) in a cleanroom in Nissan's Yokohama factory. Early models produced roughly 473 horsepower, with incremental improvements yielding upwards of 560hp in current models.
assistant