2009 Chevrolet Cobalt vs. 1991 Pontiac Bonneville
To start off, 2009 Chevrolet Cobalt is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1991 Pontiac Bonneville would be higher. At 3,791 cc (6 cylinders), 1991 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2009 Chevrolet Cobalt (260 HP @ 5300 RPM) has 110 more horse power than 1991 Pontiac Bonneville. (150 HP @ 4400 RPM). In normal driving conditions, 2009 Chevrolet Cobalt should accelerate faster than 1991 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 1991 Pontiac Bonneville weights approximately 239 kg more than 2009 Chevrolet Cobalt.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2009 Chevrolet Cobalt (353 Nm @ 2000 RPM) has 82 more torque (in Nm) than 1991 Pontiac Bonneville. (271 Nm @ 2000 RPM). This means 2009 Chevrolet Cobalt will have an easier job in driving up hills or pulling heavy equipment than 1991 Pontiac Bonneville.
Compare all specifications:
| 2009 Chevrolet Cobalt | 1991 Pontiac Bonneville | |
| Make | Chevrolet | Pontiac |
| Model | Cobalt | Bonneville |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1999 cc | 3791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 260 HP | 150 HP |
| Engine RPM | 5300 RPM | 4400 RPM |
| Torque | 353 Nm | 271 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 87.6 mm | 96.6 mm |
| Engine Stroke Size | 86 mm | 86.4 mm |
| Engine Compression Ratio | 9.3:1 | 8.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1261 kg | 1500 kg |
| Vehicle Length | 4590 mm | 5050 mm |
| Vehicle Width | 1730 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2630 mm | 2820 mm |
| Fuel Tank Capacity | 49 L | 68 L |
