Does the 1984 Peugeot 505 Sedan take premium or regular gas?

The EPA lists the 1984 Peugeot 505 Sedan 2.3L 4-cyl, Automatic 3-spd as taking diesel. Combined MPG is 22, and the EPA estimates about $3,550 a year in fuel.

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1984 Peugeot 505 Sedan — 2.3L 4-cyl, Automatic 3-spd

This 1984 Peugeot 505 Sedan (2.3L 4-cyl, Automatic 3-spd) runs on diesel. DIESEL

MPG combined (21 city / 22 hwy)

$3,550

est. fuel cost / year (EPA, 15k mi)

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tailpipe CO₂

Other 1984 Peugeot 505 Sedan trims

Trim	Fuel	MPG	Fuel/yr
2.0L 4-cyl, 5-spd manual	REGULAR	19	$3,300
2.0L 4-cyl, 5-spd manual	REGULAR	19	$3,300
2.0L 4-cyl, Automatic 3-spd	REGULAR	17	$3,650
2.0L 4-cyl, Automatic 3-spd	REGULAR	17	$3,650
2.3L 4-cyl, 5-spd manual	DIESEL	25	$3,150
2.3L 4-cyl, 5-spd manual	DIESEL	25	$3,150
2.3L 4-cyl, 5-spd manual	DIESEL	24	$3,250
2.3L 4-cyl, 5-spd manual	DIESEL	24	$3,250
2.3L 4-cyl, Automatic 3-spd	DIESEL	22	$3,550
2.3L 4-cyl, Automatic 3-spd	DIESEL	22	$3,550
2.3L 4-cyl, Automatic 3-spd	DIESEL	22	$3,550

EPA fuel type: Diesel · class: Compact Cars · retrieved 2026-06-14.