1986 GMC Suburban
The 1986 GMC Suburban is listed in 8 versions in the EPA fuel economy database, with 5.0 L 8-cyl, 5.7 L 8-cyl and 6.2 L 8-cyl diesel powertrains. Combined fuel economy ranges from 11 to 18 MPG (best: 13.1 L/100 km).
Model year1986
Versions8
ClassSpecial Purpose Vehicle 2WD, Special Purpose Vehicles
Drive4-Wheel or All-Wheel Drive, Rear-Wheel Drive
Engines, transmissions & fuel economy
| Version | Powertrain | Transmission | Drive | Fuel | MPG city / hwy / comb | L/100 km (comb) | CO2 g/mi | Class |
|---|---|---|---|---|---|---|---|---|
| C15 Suburban 2WD | 5.0 L 8-cyl | Automatic 4-spd | Rear-Wheel Drive | Regular | 12 / 16 / 14 | 16.8 | 635 | Special Purpose Vehicle 2WD |
| C15 Suburban 2WD | 5.7 L 8-cyl | Automatic 4-spd | Rear-Wheel Drive | Regular | 11 / 15 / 13 | 18.1 | 684 | Special Purpose Vehicle 2WD |
| C15 Suburban 2WD | 5.7 L 8-cyl | Automatic 4-spd | Rear-Wheel Drive | Regular | 11 / 16 / 13 | 18.1 | 684 | Special Purpose Vehicle 2WD |
| C15 Suburban 2WD | 6.2 L 8-cyl diesel | Automatic 4-spd | Rear-Wheel Drive | Diesel | 16 / 22 / 18 | 13.1 | 566 | Special Purpose Vehicle 2WD |
| K15 Suburban 4WD | 5.7 L 8-cyl | Automatic 4-spd | 4-Wheel or All-Wheel Drive | Regular | 11 / 15 / 12 | 19.6 | 741 | Special Purpose Vehicles |
| K15 Suburban 4WD | 5.7 L 8-cyl | Automatic 4-spd | 4-Wheel or All-Wheel Drive | Regular | 10 / 15 / 12 | 19.6 | 741 | Special Purpose Vehicles |
| K15 Suburban 4WD | 5.7 L 8-cyl | Manual 4-spd | 4-Wheel or All-Wheel Drive | Regular | 10 / 12 / 11 | 21.4 | 808 | Special Purpose Vehicles |
| K15 Suburban 4WD | 6.2 L 8-cyl diesel | Automatic 4-spd | 4-Wheel or All-Wheel Drive | Diesel | 15 / 20 / 16 | 14.7 | 636 | Special Purpose Vehicles |
Figures are EPA estimates for the U.S. market (U.S. gallons). Your mileage will vary. Transmissions: (S6) = 6-speed with manual select mode, (AV) = continuously variable, (AM) = automated manual.
Safety recalls
Check the NHTSA recall database for the 1986 GMC Suburban.