Chevrolet C20 Tire Sizes by Year

• 1989 — R2500 Pick-up 2wd
• 1988 — R20 Pick-up 2wd
• 1987 — Pick-up 2wd
• 1987 — R20 Pick-up 2wd
• 1986 — Pick-up 2wd
• 1985 — Pick-up 2wd
• 1984 — Pick-up 2wd
• 1983 — Pick-up 2wd
• 1982 — Pick-up 2wd
• 1981 — 2wd Pick-up
• 1980 — 2wd Pick-up
• 1979 — 2wd Pick-up
• 1978 — 2wd Pick-up
• 1970 — 2WD
• 1969 — 2WD
• 1968 — 2WD
• 1967 — 2WD