Mazda Eunos Roadster


Mazda Roadster (NB)


The Mazda MX-5, also known as MX-5 Miata in North America and Eunos Roadster (1st generation) or simply Roadster (2nd generation onwards) in Japan, is a lightweight two-seater roadster, of front-engine, rear-wheel-drive layout, built by Mazda in Hiroshima, Japan.


  • Engine Name: B6-ZE
  • Engine Type: I4 DOHC
  • Max power: 197 HP (Toru's Bored-Up RS Aizawa Complete Engine, standard output is rated at 118 HP)
  • Maximum torque: Unknown
  • Displacement: 1,597 cc (Toru's version is bored up to 1,839 cc)
  • Drivetrain: FR
  • Aspiration: NA
  • Length: 3948 mm
  • Height: 1224 mm
  • Width: 1676 mm
  • Weight: 940 kg
  • Transmission: 5MT (5-speed manual gearbox)
  • Body Kit: Eunos Roadster S-Special NA8C


  • Engine Name: BP-ZE
  • Engine Type: I4 DOHC
  • Displacement: 1839 cc
  • Maximum power (stock): 130 hp, later models 140 hp
  • Maximum torque: Unknown
  • Drivetrain: FR
  • Aspiration: NA
  • Length: 3955 mm
  • Height: 1235 mm
  • Width: 1680 mm
  • Weight: 1030 kg
  • Transmission: 6MT (6-speed manual gearbox)
  • Body kit: Garage Vary Type N


The NB8C has a weakness in its front biased weight load. This means it is prone to oversteer while braking and makes it relatively unstable when slowing down. Satoshi Omiya has countered this problem by fitting a rear spoiler (i.e. a GT wing).

Note: the anime is wrong about everything here. The MX-5 isn't front heavy, doesn't suffer from excessive rake (about a quarter inch front to rear) and doesn't oversteer unless you put too large a rear swaybar on it (>14mm, stock size for NB is 11mm, much smaller). The miata track guys who run wings do it to cancel out the high speed oversteer produced by running significant aero at the front (hood vents, splitter, underbody panels).

The car in the anime has none of these aero mods that would require a wing, just a generic body kit. In fact, the car in the anime has literally no suspension mods at all and is running the extremely forgiving factory suspension which has.... mild understeer .


  • Some early examples of the first-gen MX-5 have a detuned B6-ZE engine that only produces 90 hp instead of the original 118 hp output.
  • By far, this is the world's best selling sports car and world's best selling two-seat car, beating the Ford Model T. As of this year, the numbers are getting close to one million units.

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