1989 · Full-Size Pickup · Gas

1989 GMC C2500 Sierra MPG & fuel economy

The 1989 GMC C2500 Sierra is a full-size pickup offered in 10 EPA-rated configurations. The most efficient version returns 18 MPG combined (15 city / 22 highway) on regular gasoline. Across the lineup, combined ratings range from 12 to 18 MPG. Among 23 full-size pickups rated for 1989, it ranks 6th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,583 a year to fuel.

Compare
Combined 18 MPG 15 MPG city · 22 MPG hwy
Driving range — not published for this model
Your fuel cost $2,583 15,000 mi/yr · $17.22 per 100 mi
Class rank, 1989 #6 of 23 Full-Size Pickups by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Fuel average

The 1989 GMC C2500 Sierra's fuel average is 7.7 km/L (13.1 L/100 km), or 18 MPG combined: 6.4 km/L in the city and 9.4 km/L on the highway.

MPGkm/LL/100 km
City156.415.7
Highway229.410.7
Combined187.713.1

How it ranks among 1989 Full-Size Pickups

Full class ranking →
  1. 1Dodge Dakota Pickup22 MPG $2,114
  2. 2Jeep Comanche Pickup21 MPG $2,214
  3. 3Chevrolet C1500 Pickup18 MPG $2,583
  4. 4GMC Sierra18 MPG $2,583
  5. 5Chevrolet C2500 Pickup18 MPG $2,583
  6. 6GMC C2500 Sierra18 MPG $2,583
  7. 23Dodge W250 Pickup11 MPG $4,227
1989 C2500 SierraOther full-size pickupsClass median: $2,921/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

C2500 Sierra MPG across model years

Full history →

10 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
RWD · 4.3L 6-cyl · 5-speed manual
C2500 Sierra 2WD		 Gas 15 MPG 22 MPG 18 MPG — $2,583
RWD · 4.3L 6-cyl · 4-speed automatic
C2500 Sierra 2WD		 Gas 15 MPG 20 MPG 17 MPG — $2,735
RWD · 4.3L 6-cyl · 3-speed automatic
C2500 Sierra 2WD		 Gas 15 MPG 16 MPG 15 MPG — $3,100
RWD · 4.3L 6-cyl · 4-speed manual
C2500 Sierra 2WD		 Gas 14 MPG 17 MPG 15 MPG — $3,100
RWD · 5.0L 8-cyl · 4-speed automatic
C2500 Sierra 2WD		 Gas 14 MPG 18 MPG 15 MPG — $3,100
RWD · 5.0L 8-cyl · 5-speed manual
C2500 Sierra 2WD		 Gas 13 MPG 19 MPG 15 MPG — $3,100
RWD · 5.7L 8-cyl · 4-speed automatic
C2500 Sierra 2WD		 Gas 13 MPG 18 MPG 15 MPG — $3,100
RWD · 5.7L 8-cyl · 4-speed manual
C2500 Sierra 2WD		 Gas 12 MPG 15 MPG 14 MPG — $3,321
RWD · 5.7L 8-cyl · 5-speed manual
C2500 Sierra 2WD		 Gas 11 MPG 17 MPG 13 MPG — $3,577
RWD · 5.0L 8-cyl · 3-speed automatic
C2500 Sierra 2WD		 Gas 12 MPG 12 MPG 12 MPG — $3,875

Specs (most efficient configuration)

Fuel
Regular gasoline
Engine / motor
4.3L 6-cyl
Transmission
5-speed manual
Drivetrain
RWD
Tailpipe CO₂
494 g/mi

1989 GMC C2500 Sierra vs. rivals

vs Chevrolet C1500 Pickup 18 MPG · $2,583/yr Same fuel cost vs Chevrolet C2500 Pickup 18 MPG · $2,583/yr Same fuel cost vs Dodge Power Ram 50 Pickup 17 MPG · $2,735/yr C2500 Sierra saves $152/yr vs Chevrolet K1500 Pickup 16 MPG · $2,906/yr C2500 Sierra saves $323/yr vs Chevrolet K2500 Pickup 16 MPG · $2,906/yr C2500 Sierra saves $323/yr vs Chevrolet C1500 Pickup Diesel 19 MPG · $2,921/yr C2500 Sierra saves $338/yr vs Jeep Comanche Pickup 21 MPG · $2,214/yr Comanche Pickup saves $369/yr vs Dodge Dakota Pickup 22 MPG · $2,114/yr Dakota Pickup saves $470/yr vs GMC C2500 Sierra Diesel 19 MPG · $2,921/yr C2500 Sierra saves $338/yr

Compare the 1989 C2500 Sierra

With any other car from any year, including other C2500 Sierra model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 1989 GMC C2500 Sierra Diesel (19 MPG)

Frequently asked questions

What is the gas mileage of the 1989 GMC C2500 Sierra?

Up to 18 MPG combined (15 city / 22 highway); ratings range from 12 to 18 MPG depending on configuration.

What fuel does the 1989 GMC C2500 Sierra use?

Regular gasoline.

What is the fuel average in km/L for the 1989 GMC C2500 Sierra?

The 1989 GMC C2500 Sierra's fuel average is 7.7 km/L (13.1 L/100 km), or 18 MPG combined: 6.4 km/L in the city and 9.4 km/L on the highway.

How much does it cost to fuel the 1989 GMC C2500 Sierra per year?

About $2,583 at 15,000 miles a year with $3.10/gal regular gas, or $17.22 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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