2003 Ford Mustang vs. 2005 Pontiac Bonneville
To start off, 2005 Pontiac Bonneville is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Ford Mustang. In addition, the cost of maintenance, including insurance, on 2003 Ford Mustang would be higher. At 4,599 cc (8 cylinders), 2003 Ford Mustang is equipped with a bigger engine. In terms of performance, 2003 Ford Mustang (400 HP @ 5750 RPM) has 195 more horse power than 2005 Pontiac Bonneville. (205 HP @ 5200 RPM). In normal driving conditions, 2003 Ford Mustang should accelerate faster than 2005 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Bonneville weights approximately 188 kg more than 2003 Ford Mustang.
Because 2003 Ford Mustang 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 2003 Ford Mustang. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2003 Ford Mustang (556 Nm) has 243 more torque (in Nm) than 2005 Pontiac Bonneville. (313 Nm). This means 2003 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Bonneville. 2005 Pontiac Bonneville has automatic transmission and 2003 Ford Mustang has manual transmission. 2003 Ford Mustang will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Ford Mustang | 2005 Pontiac Bonneville | |
| Make | Ford | Pontiac |
| Model | Mustang | Bonneville |
| Year Released | 2003 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4599 cc | 3786 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 400 HP | 205 HP |
| Engine RPM | 5750 RPM | 5200 RPM |
| Torque | 556 Nm | 313 Nm |
| Engine Bore Size | 90.2 mm | 97 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1480 kg | 1668 kg |
| Vehicle Length | 4660 mm | 5150 mm |
| Vehicle Width | 1860 mm | 1890 mm |
| Vehicle Height | 1360 mm | 1440 mm |
| Wheelbase Size | 2580 mm | 2800 mm |
| Fuel Tank Capacity | 68 L | 68 L |
