1984 · Full-Size Pickup · Diesel

1984 GMC Pickup Diesel MPG & fuel economy

The 1984 GMC Pickup Diesel is a full-size pickup offered in 10 EPA-rated configurations. The most efficient version returns 20 MPG combined (18 city / 22 highway) on diesel. Across the lineup, combined ratings range from 17 to 20 MPG. Among 30 full-size pickups rated for 1984, it ranks 14th for lowest fuel cost. At 15,000 miles a year with $3.70/gal diesel fuel, it costs about $2,775 a year to fuel.

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Combined 20 MPG 18 MPG city · 22 MPG hwy
Driving range — not published for this model
Your fuel cost $2,775 15,000 mi/yr · $18.50 per 100 mi
Class rank, 1984 #14 of 30 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 1984 GMC Pickup Diesel's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.7 km/L in the city and 9.4 km/L on the highway.

MPGkm/LL/100 km
City187.713.1
Highway229.410.7
Combined208.511.8

How it ranks among 1984 Full-Size Pickups

Full class ranking →
  1. 1Toyota Truck/T100 Diesel30 MPG $1,850
  2. 2Toyota Truck/T10024 MPG $1,938
  3. 3GMC Pickup20 MPG $2,325
  4. 4Chevrolet T10 (S10) Pickup20 MPG $2,325
  5. 5Ford F15018 MPG $2,583
  6. 14GMC Pickup Diesel20 MPG $2,775
  7. 30Dodge W250 Pickup11 MPG $4,227
1984 Pickup DieselOther full-size pickupsClass median: $2,775/yr

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

Pickup Diesel MPG across model years

Full history →

10 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
2WD · 6.2L 8-cyl · 4-speed manual
C15 Pickup 2WD		 Diesel 18 MPG 22 MPG 20 MPG — $2,775
2WD · 6.2L 8-cyl · 4-speed automatic
C15 Pickup 2WD		 Diesel 17 MPG 22 MPG 19 MPG — $2,921
2WD · 6.2L 8-cyl · 4-speed manual
C15 Pickup 2WD		 Diesel 18 MPG 20 MPG 19 MPG — $2,921
2WD · 6.2L 8-cyl · 4-speed manual
C25 Pickup 2WD		 Diesel 18 MPG 22 MPG 19 MPG — $2,921
2WD · 6.2L 8-cyl · 4-speed manual
C25 Pickup 2WD		 Diesel 17 MPG 19 MPG 18 MPG — $3,083
4WD/AWD · 6.2L 8-cyl · 4-speed automatic
K15 Pickup 4WD		 Diesel 16 MPG 20 MPG 18 MPG — $3,083
4WD/AWD · 6.2L 8-cyl · 4-speed manual
K15 Pickup 4WD		 Diesel 17 MPG 20 MPG 18 MPG — $3,083
4WD/AWD · 6.2L 8-cyl · 4-speed manual
K15 Pickup 4WD		 Diesel 17 MPG 18 MPG 17 MPG — $3,265
4WD/AWD · 6.2L 8-cyl · 4-speed manual
K25 Pickup 4WD		 Diesel 16 MPG 18 MPG 17 MPG — $3,265
4WD/AWD · 6.2L 8-cyl · 4-speed automatic
K15 Pickup 4WD		 Diesel 15 MPG 20 MPG 17 MPG — $3,265

Specs (most efficient configuration)

Fuel
Diesel
Engine / motor
6.2L 8-cyl
Transmission
4-speed manual
Drivetrain
2WD
Tailpipe CO₂
509 g/mi

1984 GMC Pickup Diesel vs. rivals

vs Chevrolet C10 Pickup Diesel 20 MPG · $2,775/yr Same fuel cost vs Chevrolet C20 Pickup Diesel 20 MPG · $2,775/yr Same fuel cost vs Chevrolet C10 Pickup 17 MPG · $2,735/yr C10 Pickup saves $40/yr vs Chevrolet El Camino Pickup 17 MPG · $2,735/yr El Camino Pickup saves $40/yr vs Jeep J-10 Pickup 17 MPG · $2,735/yr J-10 Pickup saves $40/yr vs Dodge D100/D150 Pickup 16 MPG · $2,906/yr Pickup Diesel saves $131/yr vs Chevrolet C10 Pickup Hybrid 16 MPG · $2,906/yr Pickup Diesel saves $131/yr vs Chevrolet El Camino Pickup Diesel 21 MPG · $2,643/yr El Camino Pickup Diesel saves $132/yr vs Chevrolet El Camino Pickup Hybrid 18 MPG · $2,583/yr El Camino Pickup Hybrid saves $192/yr vs Chevrolet K10 Pickup Diesel 18 MPG · $3,083/yr Pickup Diesel saves $308/yr vs Chevrolet K20 Pickup Diesel 18 MPG · $3,083/yr Pickup Diesel saves $308/yr vs Chevrolet K10 Pickup 15 MPG · $3,100/yr Pickup Diesel saves $325/yr

Compare the 1984 Pickup Diesel

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

Same year, other powertrains: 1984 GMC Pickup (20 MPG), 1984 GMC Pickup Hybrid (16 MPG)

Frequently asked questions

What is the gas mileage of the 1984 GMC Pickup Diesel?

Up to 20 MPG combined (18 city / 22 highway); ratings range from 17 to 20 MPG depending on configuration.

What fuel does the 1984 GMC Pickup Diesel use?

Diesel.

What is the fuel average in km/L for the 1984 GMC Pickup Diesel?

The 1984 GMC Pickup Diesel's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.7 km/L in the city and 9.4 km/L on the highway.

How much does it cost to fuel the 1984 GMC Pickup Diesel per year?

About $2,775 at 15,000 miles a year with $3.70/gal diesel fuel, or $18.50 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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