2000 Mazda MX-5 Miata Wheel Offset

ET40 · ET42 · ET38

Quick specs

OEM offset: ET40 · ET42 · ET38
Wheel size: 6x14 · 6x15 · 6.5x16 · 7x17
Backspacing: 4.57 in · 4.90 in · 5.00 in
Bolt pattern: 4×100
Center bore: 54.1 mm
Tire size: 185/60R14 · 195/50R15 · 205/45R16 · 205/40R17

OEM configurations

Configuration	Rim	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
1.8i · I4, Petrol	6x14	ET40	4.57 in	185/60R14	4x100	54.1 mm	M12 x 1.5
1.8i · I4, Petrol	6x15	ET40	4.57 in	195/50R15	4x100	54.1 mm	M12 x 1.5
1.8i · I4, Petrol	6.5x16	ET42	4.90 in	205/45R16	4x100	54.1 mm	M12 x 1.5
1.8i · I4, Petrol	7x17	ET38	5.00 in	205/40R17	4x100	54.1 mm	M12 x 1.5

See how a different wheel would sit See wheel backspacing

What happens if you change the offset?

Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

OEM baseline

Open full fitment calculator

Wheels and hardware for this vehicle

Lug hardware

Wheel locks

Real-World 2000 Mazda MX-5 Miata Wheel Setups

Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.

Common custom wheel sizes

Among builds in our database for this model year:

16-inch — 2 documented builds
17-inch — 1 documented build

3 documented builds.

2000 Mazda MX-5 Miata custom wheel setup

Staggered · 17×9 ET12 / Rear unknown

Documented on a 2000 Mazda MX-5 Miata build — observed custom fitment, not a universal fit guarantee.

Wheel: Rota Grid

Front: 17×9 ET12
Rear: —

Compared with OEM

Compared with the 17×7 ET38 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 51.4 mm farther toward fender (more outward poke)
Inner edge 0.6 mm farther from suspension (more inner clearance)
Width +2" vs OEM

View full build on Modified1

Staggered · 16×8 ET20 / Rear unknown

Documented on a 2000 Mazda MX-5 Miata build — observed custom fitment, not a universal fit guarantee.

Wheel: XXR 535

Front: 16×8 ET20 · 205/35R16
Rear: — · 205/45R16

Compared with OEM

Compared with the 16×6.5 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 41 mm farther toward fender (more outward poke)
Inner edge 3 mm farther from suspension (more inner clearance)
Width +1.5" vs OEM

View full build on Modified1

Staggered · 16×8 ET-1 / Rear unknown

Documented on a 2000 Mazda MX-5 Miata build — observed custom fitment, not a universal fit guarantee.

Wheel: Performance Wheels Superlite GTR

Front: 16×8 ET-1 · 205/45R16
Rear: — · 205/45R16

Compared with OEM

Compared with the 16×6.5 ET42 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 62 mm farther toward fender (more outward poke)
Inner edge 24 mm farther from suspension (more inner clearance)
Width +1.5" vs OEM

View full build on Modified1

More specs for the 2000 Mazda MX-5 Miata

OEM offsets are catalog configurations, not an aftermarket “safe ET range.” Matching offset alone does not confirm clearance. Documented custom builds are observed setups only.