32/100
1984Special Purpose Vehicle 4WDRegular

1984 GMC T15 (S15) Jimmy 4WD

EPA ID: 27632
15
City MPG
17
Combined MPG
17MPG· Below Avg
20
Highway MPG

Fuel Economy Overview

The 1984 GMC T15 (S15) Jimmy 4WD achieves an EPA-estimated 17 MPG in combined city and highway driving, with 15 MPG in the city and 20 MPG on the highway. Powered by a 2.8L 6-cylinder engine paired with a manual 4-spd, this special purpose vehicle 4wd features 4-Wheel or All-Wheel Drive drive.

In terms of environmental impact, the 1984 T15 (S15) Jimmy 4WD produces approximately 523 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this T15 (S15) Jimmy 4WD has higher-than-average emissions in this regard.

The estimated annual fuel cost for this vehicle is $3,500, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $6,750 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.

Energy DNA

Vehicle ClassSpecial Purpose Vehicle 4WD
Fuel TypeRegular
Engine2.8L 6-cyl
AspirationNaturally Aspirated
TransmissionManual 4-spd
Drive Type4-Wheel or All-Wheel Drive

Green Scorecard

CO2 Emissions523 g/mi
Start-Stop SystemNot Equipped
GHG Score-1/10
Smog RatingN/A
Est. Annual Cost$3,500
5-Year Cost DeltaSave $6,750

Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy

55% City45% Highway

Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.

Your Real MPG
16.9
Impact vs EPA
+$18
/ year
💨

Aerodynamic Speed Penalty

EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.

5-Year Total Cost of Ownership

Estimated Monthly Cost
$696/mo
Includes estimated depreciation, fuel, insurance, and state fees over 5 years. Does not include loan interest.
15,000 mi
Value Depreciation
Est. value lost over 60 months
$16,800
40.2%
Fuel & Electricity
Based on National Average rates ($3.50/gal)
$15,441
37.0%
Estimated Insurance
Based on vehicle class risk profile
$9,125
21.8%
State Registration Fees
Based on National Average DMV base rates
$400
1.0%
Total 5-Year Cost$41,766

Recall Intelligence

Campaign #06E049000·2006-07-01
critical
Component: EXTERIOR LIGHTING

CERTAIN CK MOTORSPORTS COMBINATION HEADLIGHTS, CLEAR CORNER, BUMPER, AND SIDE MARKER LIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON THE PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.

Consequence & Remedy

Consequence: WITHOUT THE AMBER REFLECTORS, THE VEHICLE WILL BE POORLY ILLUMINATED, POSSIBLY RESULTING IN A VEHICLE CRASH WITHOUT WARNING.

Remedy: CK MOTORSPORT WILL NOTIFY OWNERS AND REPLACE THE NONCOMPLIANT LAMPS FREE OF CHARGE. THE RECALL BEGAN ON JULY 1, 2006. OWNERS MAY CONTACT CK MOTORSPORT AT 1-909-610-7211.

Campaign #84V011000·1984-02-24
critical
Component: SEATS:FRONT ASSEMBLY:RECLINER

SOME VEHICLES HAVE BUCKET SEAT BACK LOCKS THAT DO NOT CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD 207, ANCHORAGE OF SEATS. IN EVENT OF A CRASH, THE SEAT BACK LOCK MAY NOT FUNCTION.

Consequence & Remedy

Consequence:

Remedy: INSPECTION OF SEAT BACK LOCKS WILL BE PERFORMED. LOCKS THAT HAVE BENT, BROKEN OR MISSING HOOKS WILL BE REPLACED.

Campaign #83V107000·1983-10-18
advisory
Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

THE RIGHT FRONT CROSSOVER PIPE, WHICH CARRIES BRAKE HYDRAULIC FLUID, MAY BREAK AND LEAK FLUID. THIS OCCURS WHEN THE RIGHT FRONT FENDER SKIRT CONTACTS THE PIPE AND VIBRATION CAUSES THE PIPE TO WEAR THROUGH.

Consequence & Remedy

Consequence:

Remedy: IF THE POSITION AND CLEARANCE OF THE BRAKE PIPE ARE INCORRECT, THE FENDER SKIRT WILL BE ADJUSTED AND A REPLACEMENT PIPE WILL BE INSTALLED.

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Looking for comprehensive historical data?

NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all GMC T15 (S15) Jimmy 4WD configurations.

View Model History

Similar 1984 Special Purpose Vehicle 4WD Alternatives

Fuel Cost Analysis

Annual Fuel Cost$3,500
vs. Avg Vehicle (5 yrs)Save $6,750

Based on 15,000 miles/year and current fuel prices.

Efficiency Breakdown

City15 MPG
Highway20 MPG
Combined17 MPG

Estimated Lifetime Carbon Footprint

(Based on 200,000 miles driven)

104.6 metric tons CO₂
Equivalent To:
🌳 129 tree seedlings grown for 10 yrs
✈️ 8.7 cross-country flights/yr

Data Provenance

Data directly from the EPA National Vehicle and Fuel Emissions Laboratory. The combined rating is a weighted average (55% city, 45% highway). For official figures, visit fueleconomy.gov.