1999 Pontiac Firebird vs. 2004 Pontiac Bonneville
To start off, 2004 Pontiac Bonneville is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1999 Pontiac Firebird would be higher. Both 1999 Pontiac Firebird and 2004 Pontiac Bonneville are equipped with a 3,791 cc engine. In terms of performance, 2004 Pontiac Bonneville (205 HP) has 5 more horse power than 1999 Pontiac Firebird. (200 HP) In normal driving conditions, 2004 Pontiac Bonneville should accelerate faster than 1999 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2004 Pontiac Bonneville weights approximately 90 kg more than 1999 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Pontiac Firebird 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 1999 Pontiac Firebird. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Pontiac Bonneville (311 Nm @ 4000 RPM) has 6 more torque (in Nm) than 1999 Pontiac Firebird. (305 Nm @ 4000 RPM). This means 2004 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 1999 Pontiac Firebird. 2004 Pontiac Bonneville has automatic transmission and 1999 Pontiac Firebird has manual transmission. 1999 Pontiac Firebird will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Pontiac Firebird | 2004 Pontiac Bonneville | |
| Make | Pontiac | Pontiac |
| Model | Firebird | Bonneville |
| Year Released | 1999 | 2004 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 200 HP | 205 HP |
| Torque | 305 Nm | 311 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 96.5 mm | 96.5 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Engine Compression Ratio | 9.4:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1630 kg |
| Vehicle Length | 4920 mm | 5110 mm |
| Vehicle Width | 1900 mm | 1890 mm |
| Vehicle Height | 1320 mm | 1440 mm |
| Wheelbase Size | 2570 mm | 2880 mm |
| Fuel Tank Capacity | 76 L | 68 L |
