Every 15,000 miles (24,000 km) or as needed based on inspection.
Cabin Air Filter Replacement:
Every 15,000 miles (24,000 km) or annually.
Service Intervals Fluids
Coolant Replacement:
First change at 105,000 miles (168,000 km), then every 50,000 miles (80,000 km) or 5 years.
Coolant Type:
Mazda Super Long Life Coolant (or equivalent blue ethylene glycol coolant)
Brake Fluid Replacement:
Every 24 months or 30,000 miles (48,000 km).
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid:
Check at regular intervals, top off with Mazda Genuine Power Steering Fluid or Dexron III ATF if specified.
Service Intervals Spark Plugs
Spark Plug Replacement:
Iridium-tipped spark plugs: 75,000 miles (120,000 km).
Fluid Capacities
Engine Oil Capacity:
Approx. 5.7 US quarts (5.4 liters) with filter for 2.0L engine.
Coolant Capacity:
Approx. 7.2 US quarts (6.8 liters).
Brake Fluid Capacity:
Refer to reservoir capacity, typically around 0.5-0.7 liters.
Known Issues
Oil Consumption:
Some early NC models with the 2.0L engine may exhibit minor oil consumption; regular checks are advised.
Convertible Top Latches:
Potential for wear or adjustment issues on convertible top latches over time.
Ac Compressor Clutch:
Occasional reports of AC compressor clutch issues.
Drivetrain Mounts:
Engine and transmission mounts can degrade over time, leading to increased vibration.
Radiator Leaks:
Plastic end tanks on radiators can develop leaks over extended mileage.
📚 Vehicle History
Brand Heritage
Mazda Roadster Legacy:
Continuation of the affordable, lightweight, rear-drive sports car lineage started by the NA (1989-1997) and NB (1998-2005) generations.
Model Evolution
Nc Generation Introduction:
Introduced for the 2005 model year, succeeding the NB generation.
Nc Facelifts:
Received updates for the 2009 model year (NC2) and 2013 model year (NC3) with styling and feature enhancements.
Powertrain Changes:
Initial models featured the 2.0L LF-VE, with the 2.3L L3-VE used in some markets and early special editions. Later models focused on the improved 2.0L LF-VE with higher output.
Production
Production Years:
2005-2015
Manufacturing Location:
Mazda's Hofu Plant, Yamaguchi Prefecture, Japan
🏆 Awards & Recognition
Recognitions
Car And Driver 10Best:
Frequently named to Car and Driver's 10Best list in its early years.
World Car Of The Year:
Nominated for World Car of the Year awards.
Ratings
Reliability Ratings:
Generally good reliability ratings from consumer organizations like Consumer Reports.
Certifications
Epa Fuel Economy 2006 Mt:
21 MPG City / 28 MPG Highway (2.0L engine with manual transmission)
Epa Fuel Economy 2006 At:
22 MPG City / 27 MPG Highway (2.0L engine with automatic transmission)
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