GMC Suburban Rounded-Line

GMC Suburban Rounded-Line
Photo: DestinationFearFan / Wikimedia Commons · CC BY-SA 4.0

The GMC Suburban Rounded-Line (1984–1991): dimensions, weights, reliability and the official figures of its 24 versions in the United States.

Dimensions, weights and capacity

SpecificationEuropeWikipedia
Dimensions
Length–5,565 mm
Width–2,022 mm
Height–1,829–1,933 mm
Wheelbase3,250–3,300 mm RDW3,289 mm
Weights and towing
Kerb weight2,508–2,571 kg RDW2,648 kg
Mass in running order2,608–2,671 kg RDW–
Gross vehicle weight3,265–3,500 kg RDW–
Seats and space
Seats6–9 RDW–
Doors4–5 RDW–

Ranges cover the generation’s versions and body styles; European and North American versions can differ. Sources: Wikipedia, RDW type approvals (Netherlands). Wikipedia figures are used under CC BY-SA 4.0.

Reliability and owner reports

Owner complaints to NHTSA (US)

97 complaints for model years 1984–1991. 10 crashes · 4 fires · 14 injuries · 2 deaths

  • Brakes 25
  • Seats 23

Complaints are reported by owners and not checked by NHTSA; they are not adjusted for how many cars were sold, so popular models have more. NHTSA owner complaints

All 24 versions of the GMC Suburban Rounded-Line

Show all 24 versions

United States 24 versions

Model years sold in the USA, from the EPA and the Department of Energy (fueleconomy.gov). MPG on the EPA test; litres per 100 km = 235.215 ÷ MPG.

Years and versionEngineFuelGearboxDriveConsumption (combined)CO₂
1989–1994(350 V8) (FFS), CLKUP5.7 LPetrol4-speed automaticRear-wheel drive13–14 MPG (16.8–18.1 L/100 km) EPA394–425 g/km
1989–1993(350 V8) (FFS), CLKUP5.7 LPetrol4-speed automaticFour- or all-wheel drive12–13 MPG (18.1–19.6 L/100 km) EPA425–460 g/km
1990–1991(NO-CAT), CLKUP6.2 LDiesel4-speed automaticFour- or all-wheel drive16 MPG (14.7 L/100 km) EPA395 g/km
1988–1991(NO-CAT), CLKUP6.2 LDiesel4-speed automaticRear-wheel drive17 MPG (13.8 L/100 km) EPA372 g/km
1987–1990(350 V8) (FFS), Creeper5.7 LPetrol4-speed manualFour- or all-wheel drive11–12 MPG (19.6–21.4 L/100 km) EPA460–502 g/km
1984–1989(DIESEL) · (DIESEL) CA model · (NO-CAT) and 1 more trim6.2 LDiesel4-speed automaticFour- or all-wheel drive16 MPG (14.7 L/100 km) EPA395 g/km
1987–1988(350 V8) (FFS) · (350 V8) (FFS), CLKUP5.7 LPetrol4-speed automaticFour- or all-wheel drive13 MPG (18.1 L/100 km) EPA425 g/km
1986–1988(350 V8) (FFS)5.7 LPetrol4-speed automaticRear-wheel drive13 MPG (18.1 L/100 km) EPA425 g/km
1987(FFS)5.0 LPetrol4-speed automaticRear-wheel drive14 MPG (16.8 L/100 km) EPA394 g/km
1985–1987(350 V8) · (350 V8) (FFS)5.7 LPetrol4-speed automaticRear-wheel drive13 MPG (18.1 L/100 km) EPA425 g/km
1987(FFS) (DIESEL) (NO-CAT)6.2 LDiesel4-speed automaticFour- or all-wheel drive16 MPG (14.7 L/100 km) EPA395 g/km
1986–1987(NO-CAT)6.2 LDiesel4-speed automaticRear-wheel drive18 MPG (13.1 L/100 km) EPA351 g/km
1985–1986(GM-CHEV) · (305)5.0 LPetrol4-speed automaticRear-wheel drive14 MPG (16.8 L/100 km) EPA394 g/km
1985–1986(350 V8)5.7 LPetrol4-speed automaticFour- or all-wheel drive12 MPG (19.6 L/100 km) EPA460 g/km
1984–1986(350 V8), Creeper5.7 LPetrol4-speed manualFour- or all-wheel drive11 MPG (21.4 L/100 km) EPA502 g/km
1986(350 V8) (FFS)5.7 LPetrol4-speed automaticFour- or all-wheel drive12 MPG (19.6 L/100 km) EPA460 g/km
1984–1985(350 V8) · (350 V8) (FFS) CA model5.7 LPetrol4-speed automaticFour- or all-wheel drive12 MPG (19.6 L/100 km) EPA460 g/km
1985(350 V8) (FFS) CA model5.7 LPetrol4-speed automaticRear-wheel drive12 MPG (19.6 L/100 km) EPA460 g/km
1985CA model6.2 LDiesel4-speed automaticRear-wheel drive18 MPG (13.1 L/100 km) EPA351 g/km
1985CA model6.2 LDiesel4-speed automaticFour- or all-wheel drive16 MPG (14.7 L/100 km) EPA395 g/km
1984(GM-CHEV)5.0 LPetrol4-speed automatic–13 MPG (18.1 L/100 km) EPA425 g/km
1984(350 V8) · (350 V8) (FFS) CA model5.7 LPetrol4-speed automatic–13 MPG (18.1 L/100 km) EPA425 g/km
1984(DIESEL)6.2 LDiesel4-speed automatic–18 MPG (13.1 L/100 km) EPA351 g/km
1984DIESEL CA model6.2 LDiesel4-speed automatic–17 MPG (13.8 L/100 km) EPA372 g/km

Similar models from other brands

Official figures are measured on standard test procedures and differ between markets. Your consumption depends on how, where and in what conditions you drive.