GMC
Fuel economy & running costsDiesel
18MPGcombined
15city
22highway
A year of fuel$5,300
CO₂ from the tailpipe565.6 g/mi
Figures from the EPA label (fueleconomy.gov), the same as on the car's window sticker.
Against the 2,900 GMC cars
Bars are scaled to the best in the list; the mark shows the list average. Lower is better for fuel cost; higher is better for the rest. All figures are the EPA's.
Summary
1985 GMC G15/25 Rally 2WD by GMC. The figures below are from US EPA fueleconomy.gov, with the page each one came from.
Details
- Model year
- 1985fueleconomy.gov · 3 Oct 2026
Efficiency
- Combined MPG
- 18fueleconomy.gov · 3 Oct 2026
- City MPG
- 15fueleconomy.gov · 3 Oct 2026
- Highway MPG
- 22fueleconomy.gov · 3 Oct 2026
Running cost
- Annual fuel cost
- $5,300fueleconomy.gov · 3 Oct 2026
- CO₂ (tailpipe)
- 565.6 g/mifueleconomy.gov · 3 Oct 2026
Car
- Body
- Vanfueleconomy.gov · 3 Oct 2026
- EPA class
- Vansfueleconomy.gov · 3 Oct 2026
- Drive
- Rear-Wheel Drivefueleconomy.gov · 3 Oct 2026
Powertrain
- Engine
- 6.2 L 8-cylfueleconomy.gov · 3 Oct 2026
- Transmission
- Automatic 4-spdfueleconomy.gov · 3 Oct 2026
- Fuel
- Dieselfueleconomy.gov · 3 Oct 2026
More GMC cars
See the list
#1 2027 · GMC Acadia AWD 21Combined MPG $3,200Fuel / year #2 2027 · GMC Acadia FWD 22Combined MPG $3,050Fuel / year 
#3 2027 · GMC Terrain AWD 25Combined MPG $2,700Fuel / year #4 2027 · GMC Terrain AWD Denali/AT4 25Combined MPG $2,700Fuel / year #5 2027 · GMC Terrain FWD 26Combined MPG $2,600Fuel / year 
#6 2027 · GMC Yukon 2WD 17Combined MPG $3,950Fuel / year Listed on CarCody
- GMC Cars: Every Model and Year With MPG2900 listed
Sources
- fueleconomy.gov/feg/noframes/1019.shtml· checked 3 Oct 2026