The second-generation 'NB' Mazda MX-5 Miata replaced the iconic original for the 1999 model year. It lost the pop-up headlights but gained a stiffer unibody, more trunk space, and a bump in power from its 1.8L 4-cylinder engine. A 2001 facelift, known as the NB2, introduced variable valve timing (VVT) for a slight power increase to 142 hp, along with projector headlights and additional chassis bracing.
The NB remains highly collectible because it retains the unfiltered, lightweight driving dynamics of the original while offering more refinement and power. The most sought-after model is the 2004-2005 Mazdaspeed Miata, the only factory-turbocharged MX-5 ever produced, which made 178 hp. Other special editions like the 1999 10th Anniversary Model with its 6-speed manual and Bilstein suspension are also prized by enthusiasts.
The market for the NB Miata is incredibly diverse. The average sale price hovers around $12,140, but this figure hides the wide spread between project cars and top-tier examples. Well-worn Miatas can be found for under $2,000, making them an accessible entry point. However, the market ceiling is set by ultra-low-mileage Mazdaspeed examples, which have sold for close to $70,000, proving the growing collector demand for the best of the breed.
Buying Tips
- Check for rust on the front frame rails, especially where the front subframe meets the body, as well as the rocker panels and rear quarter panels.
- The 1.8L engine is durable, but look for common oil leaks from the valve cover gasket and the Cam Angle Sensor (CAS) o-ring at the back of the cylinder head.
- The timing belt is a critical service item that should be replaced every 60,000 miles. Ask for records to confirm when it was last done.
- Inspect the convertible top for tears and leaks. Ensure the rain drains located behind the seatbelt towers are clear, as clogs can cause water to back up and rust the floor and sills from the inside out.
- Many Miatas are modified. Scrutinize any aftermarket parts for quality and be aware that cars returned to stock may hide a history of hard use.
Prices for the Mazda MX-5 Miata NB range from as low as $1,500 for project cars to nearly $70,000 for pristine, low-mileage Mazdaspeed variants.
8,002 Mazda NB MX-5 Miata vehicles have been tracked across auctions and listings on Hypercars, with 3159 currently live.
Data sourced from Bring a Trailer, Cars & Bids, eBay Motors, PCarMarket, and Collecting Cars. Updated daily.
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