2017 Mazda MX-5 Miata Bulb Sizes & Tire Sizes

Last reviewed October 11, 2026

The short answer

The 2017 Mazda MX-5 Miata has sealed LED headlights with no replaceable low-beam bulb, and came on 195/50R16, 205/45R17 depending on trim.

Some values on this page are still waiting for a second source. We show what we have and mark it; confirm against your owner's manual before you buy.

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Tire sizes by trim

Trim not confirmed 195/50R16 84V · 29 psi Search Amazon for 195/50R16 tires
Trim not confirmed 205/45R17 84W · 29 psi Search Amazon for 205/45R17 tires

The size on the placard inside the driver's door jamb is the one your car left the factory with. Match that, not this table, if they differ; a previous owner may have changed wheels.

Bulb sizes

Low beam Sealed LED, no replaceable bulb
High beam Sealed LED, no replaceable bulb
Daytime running 7440 Search Amazon for 7440 bulbs
Front turn signal 7444NA Search Amazon for 7444NA bulbs
Rear turn signal WY21W Search Amazon for WY21W bulbs
Brake light Sealed LED, no replaceable bulb
Tail light Sealed LED, no replaceable bulb
Reverse light 7440 Search Amazon for 7440 bulbs
License plate W5W Search Amazon for W5W bulbs

Key fob, battery and sensors

Key fob battery CR2025 Search Amazon for CR2025

Dimensions, weight and fuel

Figures for the Soft top, 16-inch wheels, manual transmission.

Length 154.1" (391 cm)
Width 68.3" (173 cm)
Height 48.6" (123 cm)
Wheelbase 90.9" (231 cm)
GVWR 2,745 lb (1,245 kg)
Fuel Gasoline
Octane 91 recommended, 87 allowed
Fuel tank 11.9 gal (45 L)

Worth knowing about the 2017 MX-5 Miata

  • LED lighting. The low beam, high beam, brake light, tail light are sealed LED units with no user-replaceable bulb. A failure means replacing the assembly.
  • Bulbs. The 7440 daytime running light bulb is for cars with bulb-type daytime running lights; LED daytime running lights are sealed units.
  • No spare. This vehicle shipped without a spare tire; it carries an inflator and sealant kit instead. Keep the kit in date, or carry a compact spare. Search Amazon for inflator kits →
  • Tire chains. The manual permits tire chains or cables, within limits on which tires and which wheels. Those limits are in the next note; read them before you fit anything. Search Amazon for tire chains →
  • Tires. The manual allows chains on the rear tires only.
  • Wheels. The manual gives a lug nut torque range of 80 to 108 lb-ft.
  • Dimensions. The figures above are for the Soft top, 16-inch wheels, manual transmission; other body configurations differ in length, wheelbase and weight.
  • Octane. The manual recommends 91 octane for full performance and allows 87. 87 will not harm the engine; the higher grade is a choice, not a requirement.