1991 GMC G15: Recalls, Problems & MPG
Here are the deets on the 1991 GMC G15: 1 recall, 0 owner complaints and up to 17 mpg combined.

Recalls
1 vehicle recall from the manufacturer, plus 1 equipment/tire recall that can apply. Repairs are free. Check your VIN to see if one is still open on your car.
Seats Vehicle recall #91V040000 · 1991 · 25,807 vehicles
What's wrong: Seat back of the rear bench seat May break away from the seat cushion in an accident.
Why it matters: Seat occupant would be subject to greater injury; vehiclewould not comply with fmvss 207.
The fix: Install reinforcement that runs from side of seat back frame assembly to seat cushion frame assembly, strengthening the seat back.
1 aftermarket equipment / tire recall replacement parts sold to fit this car, not the car itself
Fuel system Equipment recall #06E043000 · 2006 · 88,303 vehicles
What's wrong: Certain replacement fuel filters, fram brand name p/n g3727, with date codes x52911 through x60801 sequentially or x600141 and a mexico country or origin marking on the fuel filter housing manufactured from October 18, 2005, through March 21, 2006, sold for use on the vehicles listed above and on certain school buses. (to see the school bus engine sizes, click on "document search" and then "bus applications"). The…
Why it matters: This condition May cause an inadequate seal at the connection, potentially leading to a fuel leak. In the presence of an ignition source, a fire could occur.
The fix: Honeywell will notify owners and replace the fuel filters free of charge. The recall began on October 18, 2006.
Most-reported problems
No owner complaints have been filed with NHTSA for the 1991 GMC G15 so far.
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 4.3 L 6-cyl | Automatic 4-spd | Rear-Wheel Drive | 15 | 20 | 17 | Regular |
| 6.2 L 8-cyl | Automatic 4-spd | Rear-Wheel Drive | 15 | 20 | 17 | Diesel |
| 5.7 L 8-cyl | Automatic 4-spd | Rear-Wheel Drive | 14 | 18 | 15 | Regular |
| 4.3 L 6-cyl | Automatic 4-spd | Rear-Wheel Drive | 14 | 17 | 15 | Regular |
| 5.0 L 8-cyl | Automatic 4-spd | Rear-Wheel Drive | 13 | 17 | 14 | Regular |
| 5.0 L 8-cyl | Automatic 4-spd | Rear-Wheel Drive | 12 | 17 | 14 | Regular |
| 5.7 L 8-cyl | Automatic 4-spd | Rear-Wheel Drive | 12 | 17 | 14 | Regular |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 1991 GMC G15.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
Does the 1991 GMC G15 have any recalls?
Yes. NHTSA lists 1 vehicle recall for the 1991 GMC G15, plus 1 equipment or tire recalls that can apply. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What gas mileage does the 1991 GMC G15 get?
EPA ratings run up to 17 mpg combined (4.3 L, Automatic 4-spd), across 7 engine and transmission combos.
Where can I get a 1991 GMC G15 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.