2009 Alfa Romeo GT vs. 2003 Pontiac Bonneville
To start off, 2009 Alfa Romeo GT is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 2003 Pontiac Bonneville would be higher. At 4,565 cc (8 cylinders), 2003 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2003 Pontiac Bonneville (275 HP @ 5600 RPM) has 137 more horse power than 2009 Alfa Romeo GT. (138 HP @ 6500 RPM) In normal driving conditions, 2003 Pontiac Bonneville should accelerate faster than 2009 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2003 Pontiac Bonneville weights approximately 354 kg more than 2009 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2003 Pontiac Bonneville (298 Nm @ 4000 RPM) has 135 more torque (in Nm) than 2009 Alfa Romeo GT. (163 Nm @ 3900 RPM). This means 2003 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo GT. 2003 Pontiac Bonneville has automatic transmission and 2009 Alfa Romeo GT has manual transmission. 2009 Alfa Romeo GT will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Pontiac Bonneville will be easier to drive especially in heavy traffic.
Compare all specifications:
2009 Alfa Romeo GT | 2003 Pontiac Bonneville | |
Make | Alfa Romeo | Pontiac |
Model | GT | Bonneville |
Year Released | 2009 | 2003 |
Body Type | Coupe | Sedan |
Engine Position | Front | Front |
Engine Size | 1747 cc | 4565 cc |
Engine Cylinders | 4 cylinders | 8 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 138 HP | 275 HP |
Engine RPM | 6500 RPM | 5600 RPM |
Torque | 163 Nm | 298 Nm |
Torque RPM | 3900 RPM | 4000 RPM |
Engine Bore Size | 82 mm | 93.1 mm |
Engine Stroke Size | 82.7 mm | 84 mm |
Engine Compression Ratio | 10.3:1 | 10.0:1 |
Drive Type | Front | Front |
Transmission Type | Manual | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 2 doors | 4 doors |
Vehicle Weight | 1365 kg | 1719 kg |
Vehicle Length | 4500 mm | 5150 mm |
Vehicle Width | 1770 mm | 1890 mm |
Vehicle Height | 1370 mm | 1440 mm |
Wheelbase Size | 2600 mm | 2790 mm |
Fuel Tank Capacity | 63 L | 70 L |