1988 Volvo 780 — Coupe

The 1988 Volvo 780 Coupe came from the factory equipped with 205/60R15 tires. If your vehicle has since been fitted with aftermarket or upsized wheels, your actual tire size may no longer match this factory spec — always confirm against your door placard before buying.

205/60R15

Section width205 mm
Aspect ratio (sidewall height)60% (123 mm)
Rim diameter15"
Overall tire diameter~24.7"
Revolutions per mile~817

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What this size means for your Volvo 780

On the 1988 Volvo 780 Coupe, the factory 205/60R15 measures about 24.7″ in overall diameter with a 123 mm (4.8″) sidewall, and completes roughly 817 revolutions per mile. Its 60-series aspect ratio gives a taller, comfort-biased sidewall that favors ride quality and shrugs off rough pavement. In tire terms it is a passenger (P-metric / Euro-metric) size.

Because the 1988 Volvo 780 predates many current tire lines, confirm this size is still stocked before ordering — some vintage fitments are now served mainly by specialty and classic-car tire suppliers.

Volvo 780 tire sizes by year

See every Volvo 780 year & trim →

How to read a tire size

A tire size like 225/45R17 breaks down into three parts: the first number is the section width in millimeters (the tire's width from sidewall to sidewall), the second is the aspect ratio — the sidewall's height as a percentage of that width — and the number after the "R" is the rim diameter in inches. A letter prefix (P or LT) indicates Passenger or Light Truck construction; its absence usually means Euro-metric sizing.

Some trucks and off-road tires instead use "flotation" sizing, like 37X12.50R17 — here the numbers are the tire's overall diameter and width in inches directly, with the rim diameter last.

Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.