2009 Cadillac STS vs. 1998 Pontiac Bonneville
To start off, 2009 Cadillac STS is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1998 Pontiac Bonneville would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (320 HP @ 6400 RPM) has 115 more horse power than 1998 Pontiac Bonneville. (205 HP @ 5200 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1998 Pontiac Bonneville.
Because 2009 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 1998 Pontiac Bonneville, being front wheel drive (FWD), will offer much better control with better grip. 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 Cadillac STS (427 Nm @ 4400 RPM) has 121 more torque (in Nm) than 1998 Pontiac Bonneville. (306 Nm @ 4000 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1998 Pontiac Bonneville.
Compare all specifications:
| 2009 Cadillac STS | 1998 Pontiac Bonneville | |
| Make | Cadillac | Pontiac |
| Model | STS | Bonneville |
| Year Released | 2009 | 1998 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 320 HP | 205 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 427 Nm | 306 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1560 kg |
| Vehicle Length | 5000 mm | 5120 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2960 mm | 2700 mm |
| Fuel Tank Capacity | 64 L | 68 L |
