Photo: GMC Sonoma by MercurySable99, CC BY-SA 4.0, via Wikimedia Commons. It shows the model, not always this exact version.
GMC · model year 1991
1991 GMC Sonoma 2WD
Pickup · Rear-Wheel Drive · Gas · EPA class: Small Pickup Trucks
EPA figures · 1991fueleconomy.gov
22MPG combined
21/25MPG city / highway
$3,050fuel a year
404 g CO₂ per mile 2.5 L 4-cyl Manual 5-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.
Where it places
Every figure on record
- Combined MPG
- 22 MPG
- City MPG
- 21 MPG
- Highway MPG
- 25 MPG
- Annual fuel cost
- $3,050
- Tailpipe CO₂
- 404 g per mile
- Model year
- 1991
- Body
- Pickup
- EPA size class
- Small Pickup Trucks
- Drive
- Rear-Wheel Drive
- Engine
- 2.5 L 4-cyl
- Transmission
- Manual 5-spd
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
More GMC model years
1991 GMC Sierra 1500 4WD
13 MPG · $5,150 fuel a year 1991 GMC Sierra 1500 4WD
13 MPG · $5,150 fuel a year 1991 GMC Sierra 1500 4WD
16 MPG · $6,000 fuel a year 1991 GMC Sierra 1500 4WD
16 MPG · $6,000 fuel a year 1991 GMC Sierra 2500 4WD
18 MPG · $5,300 fuel a year 1991 GMC Sonoma 2WD
21 MPG · $3,200 fuel a year 1991 GMC Sonoma 2WD
19 MPG · $3,550 fuel a year