1988 · Full-Size Pickup · Diesel

1988 GMC Pickup Diesel MPG & fuel economy

The 1988 GMC Pickup Diesel is a full-size pickup offered in 6 EPA-rated configurations. The most efficient version returns 19 MPG combined (17 city / 23 highway) on diesel. Across the lineup, combined ratings range from 16 to 19 MPG. Efficiency is unchanged from the 1987 model. Among 23 full-size pickups rated for 1988, it ranks 12th for lowest fuel cost. At 15,000 miles a year with $3.70/gal diesel fuel, it costs about $2,921 a year to fuel.

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Combined 19 MPG 17 MPG city · 23 MPG hwy

Driving range — not published for this model

Your fuel cost $2,921 15,000 mi/yr · $19.47 per 100 mi

Class rank, 1988 #12 of 23 Full-Size Pickups by fuel cost

What will it cost you?

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

Miles per year Diesel $/gal

Fuel average

The 1988 GMC Pickup Diesel's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 7.2 km/L in the city and 9.8 km/L on the highway.

	MPG	km/L	L/100 km
City	17	7.2	13.8
Highway	23	9.8	10.2
Combined	19	8.1	12.4

How it ranks among 1988 Full-Size Pickups

Full class ranking →

1Dodge Dakota Pickup22 MPG $2,114
2Jeep Comanche21 MPG $2,214
3Isuzu Pickup20 MPG $2,325
4GMC Pickup20 MPG $2,325
5Chevrolet T10 (S10) Pickup20 MPG $2,325
···
12GMC Pickup Diesel19 MPG $2,921
···
23Jeep J-20 Pickup11 MPG $4,227

1988 Pickup DieselOther full-size pickupsClass median: $2,921/yr

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

Pickup Diesel MPG across model years

Full history →

6 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
RWD · 6.2L 8-cyl · 4-speed automatic C15 Pickup 2WD	Diesel	17 MPG	23 MPG	19 MPG	—	$2,921
RWD · 6.2L 8-cyl · 4-speed manual C15 Pickup 2WD	Diesel	18 MPG	20 MPG	19 MPG	—	$2,921
RWD · 6.2L 8-cyl · 4-speed automatic C25 Pickup 2WD	Diesel	16 MPG	23 MPG	19 MPG	—	$2,921
RWD · 6.2L 8-cyl · 4-speed manual C25 Pickup 2WD	Diesel	18 MPG	21 MPG	19 MPG	—	$2,921
4WD/AWD · 6.2L 8-cyl · 4-speed automatic K15 Pickup 4WD	Diesel	15 MPG	20 MPG	17 MPG	—	$3,265
4WD/AWD · 6.2L 8-cyl · 4-speed manual K15 Pickup 4WD	Diesel	16 MPG	17 MPG	16 MPG	—	$3,469

Specs (most efficient configuration)

Fuel: Diesel
Engine / motor: 6.2L 8-cyl
Transmission: 4-speed automatic
Drivetrain: RWD
Tailpipe CO₂: 536 g/mi

1988 GMC Pickup Diesel vs. rivals

vs Chevrolet C10 Pickup Diesel 19 MPG · $2,921/yr Same fuel cost vs Chevrolet C20 Pickup Diesel 19 MPG · $2,921/yr Same fuel cost vs Ford F150 16 MPG · $2,906/yr F150 saves $15/yr vs Chevrolet K10 Pickup 16 MPG · $2,906/yr K10 Pickup saves $15/yr vs Chevrolet K20 Pickup 16 MPG · $2,906/yr K20 Pickup saves $15/yr vs Dodge D100/D150 Pickup 15 MPG · $3,100/yr Pickup Diesel saves $179/yr vs Dodge D250 Pickup 15 MPG · $3,100/yr Pickup Diesel saves $179/yr vs Ford F250 15 MPG · $3,100/yr Pickup Diesel saves $179/yr vs Jeep J-10 Pickup 15 MPG · $3,100/yr Pickup Diesel saves $179/yr vs Chevrolet C10 Pickup 17 MPG · $2,735/yr C10 Pickup saves $186/yr vs Chevrolet C20 Pickup 17 MPG · $2,735/yr C20 Pickup saves $186/yr vs Chevrolet K10 Pickup Diesel 17 MPG · $3,265/yr Pickup Diesel saves $344/yr

Compare the 1988 Pickup Diesel

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Same year, other powertrains: 1988 GMC Pickup (20 MPG)

Frequently asked questions

What is the gas mileage of the 1988 GMC Pickup Diesel?

Up to 19 MPG combined (17 city / 23 highway); ratings range from 16 to 19 MPG depending on configuration.

What fuel does the 1988 GMC Pickup Diesel use?

Diesel.

What is the fuel average in km/L for the 1988 GMC Pickup Diesel?