1998 GMC Sierra 2500 2WD

6.5L 8-cyl · 4-speed automatic · RWD

DieselDieselStandard Pickup Trucks 2WD

Official EPA record #14521 from FuelEconomy.gov · data 2026-07-26 · every assumption below is yours to edit. How this is computed

Per month

$352.83

Per year

$4,234

Per mile

35.3¢/mi

5-year total

$21,170

pickup body style — not this exact model

Notes & official EPA estimate

825.3 gal of fuel / yeardiesel @ $5.13/galAt $6.13/gal: $421.61/mo

A mile road trip costs about $105.90 in energy.

Official FuelEconomy.gov estimate: $5,200/year — assumes 15,000 miles/year and EPA price assumptions. The figures above use your inputs instead.

Compare with another vehiclePrices: EPA national averages, Jul 24, 2026 — override anytime.

At 12,000 miles per year (55% city / 45% highway) with EPA national-average prices ($5.13/gal diesel), this 1998 GMC Sierra 2500 2WD costs about $352.83 per month in diesel — $4,234 per year, 35.3¢/mi, $21,170 over five years.Assumptions are editable below. Prices as of July 24, 2026 · EPA vehicle record #14521. EPA figures are laboratory estimates; real-world cost varies with driving conditions, weather, and where you buy energy.

GMC Sierra: running costs for every model year →

Official EPA efficiency

Measure	Value
City MPG	13
Highway MPG	17
Combined MPG	15

Official EPA estimates

Estimate	Value
Official annual fuel cost (15,000 mi/yr)	$5,200/yr
Tailpipe CO₂	679 g/mi
EPA smog rating	not published

Source: U.S. EPA / DOE FuelEconomy.gov, vehicle record #14521 (record updated 2013-01-01). Snapshot processed 2026-07-26; page data last changed 2013-01-01.

View this record on FuelEconomy.gov

Related configurations

Same year, same family

Adjacent model years