In brief, the 2006 Sentra offered two main transmissions depending on trim: a four-speed automatic or a five-speed manual, with the high-performance SE-R using a six-speed manual. There was no factory CVT option in 2006.
Transmission options by trim
The following breakdown reflects the typical configurations for the 2006 Sentra lineup. Availability could vary by market and options package.
- Most trims (non-SE-R): 4-speed automatic transmission (4AT) or 5-speed manual on manual-equipped variants.
- SE-R performance variant: 6-speed manual transmission.
The standard Sentra models commonly came with either a 4-speed automatic or a 5-speed manual, while the SE-R was equipped with a 6-speed manual.
CVT availability
There was no factory CVT option for the 2006 Sentra. CVTs appeared in later years on some Nissan models, but not for the 2006 Sentra.
Summary
In summary, the 2006 Nissan Sentra’s transmissions were primarily a 4-speed automatic or a 5-speed manual, with the SE-R performance version using a 6-speed manual. No factory CVT was offered for the 2006 model year.