GMC Suburban Rounded-Line

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
| Specification | Europe | Wikipedia |
|---|---|---|
| Dimensions | ||
| Length | – | 5,565 mm |
| Width | – | 2,022 mm |
| Height | – | 1,829–1,933 mm |
| Wheelbase | 3,250–3,300 mm RDW | 3,289 mm |
| Weights and towing | ||
| Kerb weight | 2,508–2,571 kg RDW | 2,648 kg |
| Mass in running order | 2,608–2,671 kg RDW | – |
| Gross vehicle weight | 3,265–3,500 kg RDW | – |
| Seats and space | ||
| Seats | 6–9 RDW | – |
| Doors | 4–5 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 version | Engine | Fuel | Gearbox | Drive | Consumption (combined) | CO₂ |
|---|---|---|---|---|---|---|
| 1989–1994(350 V8) (FFS), CLKUP | 5.7 L | Petrol | 4-speed automatic | Rear-wheel drive | 13–14 MPG (16.8–18.1 L/100 km) EPA | 394–425 g/km |
| 1989–1993(350 V8) (FFS), CLKUP | 5.7 L | Petrol | 4-speed automatic | Four- or all-wheel drive | 12–13 MPG (18.1–19.6 L/100 km) EPA | 425–460 g/km |
| 1990–1991(NO-CAT), CLKUP | 6.2 L | Diesel | 4-speed automatic | Four- or all-wheel drive | 16 MPG (14.7 L/100 km) EPA | 395 g/km |
| 1988–1991(NO-CAT), CLKUP | 6.2 L | Diesel | 4-speed automatic | Rear-wheel drive | 17 MPG (13.8 L/100 km) EPA | 372 g/km |
| 1987–1990(350 V8) (FFS), Creeper | 5.7 L | Petrol | 4-speed manual | Four- or all-wheel drive | 11–12 MPG (19.6–21.4 L/100 km) EPA | 460–502 g/km |
| 1984–1989(DIESEL) · (DIESEL) CA model · (NO-CAT) and 1 more trim | 6.2 L | Diesel | 4-speed automatic | Four- or all-wheel drive | 16 MPG (14.7 L/100 km) EPA | 395 g/km |
| 1987–1988(350 V8) (FFS) · (350 V8) (FFS), CLKUP | 5.7 L | Petrol | 4-speed automatic | Four- or all-wheel drive | 13 MPG (18.1 L/100 km) EPA | 425 g/km |
| 1986–1988(350 V8) (FFS) | 5.7 L | Petrol | 4-speed automatic | Rear-wheel drive | 13 MPG (18.1 L/100 km) EPA | 425 g/km |
| 1987(FFS) | 5.0 L | Petrol | 4-speed automatic | Rear-wheel drive | 14 MPG (16.8 L/100 km) EPA | 394 g/km |
| 1985–1987(350 V8) · (350 V8) (FFS) | 5.7 L | Petrol | 4-speed automatic | Rear-wheel drive | 13 MPG (18.1 L/100 km) EPA | 425 g/km |
| 1987(FFS) (DIESEL) (NO-CAT) | 6.2 L | Diesel | 4-speed automatic | Four- or all-wheel drive | 16 MPG (14.7 L/100 km) EPA | 395 g/km |
| 1986–1987(NO-CAT) | 6.2 L | Diesel | 4-speed automatic | Rear-wheel drive | 18 MPG (13.1 L/100 km) EPA | 351 g/km |
| 1985–1986(GM-CHEV) · (305) | 5.0 L | Petrol | 4-speed automatic | Rear-wheel drive | 14 MPG (16.8 L/100 km) EPA | 394 g/km |
| 1985–1986(350 V8) | 5.7 L | Petrol | 4-speed automatic | Four- or all-wheel drive | 12 MPG (19.6 L/100 km) EPA | 460 g/km |
| 1984–1986(350 V8), Creeper | 5.7 L | Petrol | 4-speed manual | Four- or all-wheel drive | 11 MPG (21.4 L/100 km) EPA | 502 g/km |
| 1986(350 V8) (FFS) | 5.7 L | Petrol | 4-speed automatic | Four- or all-wheel drive | 12 MPG (19.6 L/100 km) EPA | 460 g/km |
| 1984–1985(350 V8) · (350 V8) (FFS) CA model | 5.7 L | Petrol | 4-speed automatic | Four- or all-wheel drive | 12 MPG (19.6 L/100 km) EPA | 460 g/km |
| 1985(350 V8) (FFS) CA model | 5.7 L | Petrol | 4-speed automatic | Rear-wheel drive | 12 MPG (19.6 L/100 km) EPA | 460 g/km |
| 1985CA model | 6.2 L | Diesel | 4-speed automatic | Rear-wheel drive | 18 MPG (13.1 L/100 km) EPA | 351 g/km |
| 1985CA model | 6.2 L | Diesel | 4-speed automatic | Four- or all-wheel drive | 16 MPG (14.7 L/100 km) EPA | 395 g/km |
| 1984(GM-CHEV) | 5.0 L | Petrol | 4-speed automatic | – | 13 MPG (18.1 L/100 km) EPA | 425 g/km |
| 1984(350 V8) · (350 V8) (FFS) CA model | 5.7 L | Petrol | 4-speed automatic | – | 13 MPG (18.1 L/100 km) EPA | 425 g/km |
| 1984(DIESEL) | 6.2 L | Diesel | 4-speed automatic | – | 18 MPG (13.1 L/100 km) EPA | 351 g/km |
| 1984DIESEL CA model | 6.2 L | Diesel | 4-speed automatic | – | 17 MPG (13.8 L/100 km) EPA | 372 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.





