1986 GMC Suburban vs. 1970 Pontiac Bonneville
To start off, 1986 GMC Suburban is newer by 16 year(s). Which means there will be less support and parts availability for 1970 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1970 Pontiac Bonneville would be higher. At 7,460 cc (8 cylinders), 1970 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 1970 Pontiac Bonneville (185 HP @ 4000 RPM) has 31 more horse power than 1986 GMC Suburban. (154 HP @ 4000 RPM) In normal driving conditions, 1970 Pontiac Bonneville should accelerate faster than 1986 GMC Suburban. With that said, vehicle weight also plays an important factor in acceleration. 1986 GMC Suburban weights approximately 250 kg more than 1970 Pontiac Bonneville.
Because 1986 GMC Suburban is four wheel drive (4WD), it will have significant more traction and grip than 1970 Pontiac Bonneville. In wet, icy, snow, or gravel driving conditions, 1986 GMC Suburban will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1970 Pontiac Bonneville (484 Nm @ 2000 RPM) has 172 more torque (in Nm) than 1986 GMC Suburban. (312 Nm @ 2400 RPM). This means 1970 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1986 GMC Suburban.
Compare all specifications:
| 1986 GMC Suburban | 1970 Pontiac Bonneville | |
| Make | GMC | Pontiac |
| Model | Suburban | Bonneville |
| Year Released | 1986 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 4300 cc | 7460 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 154 HP | 185 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 312 Nm | 484 Nm |
| Torque RPM | 2400 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 2240 kg | 1990 kg |
| Vehicle Length | 5480 mm | 5740 mm |
| Vehicle Width | 1950 mm | 2030 mm |
| Vehicle Height | 1800 mm | 1390 mm |
| Wheelbase Size | 3300 mm | 3210 mm |
