1990 GMC Suburban
The 1990 GMC Suburban is listed in 5 versions in the EPA fuel economy database, with 5.7 L 8-cyl and 6.2 L 8-cyl diesel powertrains. Combined fuel economy ranges from 12 to 17 MPG (best: 13.8 L/100 km).
Model year1990
Versions5
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 |
|---|---|---|---|---|---|---|---|---|
| R1500 Suburban 2WD | 5.7 L 8-cyl | Automatic 4-spd | Rear-Wheel Drive | Regular | 12 / 17 / 14 | 16.8 | 635 | Special Purpose Vehicle 2WD |
| R1500 Suburban 2WD | 6.2 L 8-cyl diesel | Automatic 4-spd | Rear-Wheel Drive | Diesel | 15 / 21 / 17 | 13.8 | 599 | Special Purpose Vehicle 2WD |
| Suburban V1500 4WD | 5.7 L 8-cyl | Automatic 4-spd | 4-Wheel or All-Wheel Drive | Regular | 11 / 15 / 13 | 18.1 | 684 | Special Purpose Vehicles |
| Suburban V1500 4WD | 5.7 L 8-cyl | Manual 4-spd | 4-Wheel or All-Wheel Drive | Regular | 11 / 13 / 12 | 19.6 | 741 | Special Purpose Vehicles |
| Suburban V1500 4WD | 6.2 L 8-cyl diesel | Automatic 4-spd | 4-Wheel or All-Wheel Drive | Diesel | 14 / 19 / 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 1990 GMC Suburban.