The Mazda MX-5 Miata NB (1998-2005) is the second generation of the popular lightweight roadster, known for its balance, agility, and simplicity. The NB evolved from the NA with modernized features while retaining the fun and affordable driving experience.
Design:

The NB has a sleeker design than the original, replacing pop-up headlights with fixed ones for better aerodynamics.
It features a refined, compact body with smoother lines.

Engine & Performance:

Powered by a 1.8-liter inline-4 engine, it produces 140-146 horsepower. A 1.6-liter option existed in some regions.
The Mazdaspeed Miata (2004-2005), with a 1.8-liter turbo, generates 178 horsepower.
Weighing around 2,300-2,500 lbs, the NB offers nimble handling. 0-60 mph takes 7-8 seconds in standard models, and 6.7 seconds for the Mazdaspeed.

Transmission:

Early models have a 5-speed manual, later upgraded to a 6-speed. A 4-speed automatic was also available.

Handling & Suspension:

Uses double wishbone suspension front and rear for excellent handling.
The precise steering offers a "momentum car" feel, ideal for carrying speed through corners.
Some models include an optional limited-slip differential.

Interior:

The NB's interior is more refined, with a driver-focused layout. Leather seats and a Nardi steering wheel were optional.

Special Editions:

The 10th Anniversary Edition (1999) featured a 6-speed manual and Bilstein shocks.
The Mazdaspeed Miata had unique styling and performance upgrades.

Convertible Top:

It features a manual soft-top, with a hardtop option for better insulation.

Aftermarket Support:

Extensive aftermarket support allows for customization, especially for autocross, track days, and daily driving.

Reliability:

Known for its reliability, common tasks include maintaining suspension bushings, the convertible top, and addressing rust.

Fuel Economy:

It achieves around 25-28 MPG combined.

Popularity:

Beloved for its lightweight, rear-wheel-drive layout and precision steering, the NB is a favorite for modifications and enjoys strong community support.