1988 Pontiac Grand Prix vs. 2011 Fiat Siena
To start off, 2011 Fiat Siena is newer by 23 year(s). Which means there will be less support and parts availability for 1988 Pontiac Grand Prix. In addition, the cost of maintenance, including insurance, on 1988 Pontiac Grand Prix would be higher. At 3,097 cc (6 cylinders), 1988 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 1988 Pontiac Grand Prix (205 HP @ 4800 RPM) has 99 more horse power than 2011 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 1988 Pontiac Grand Prix should accelerate faster than 2011 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1988 Pontiac Grand Prix weights approximately 470 kg more than 2011 Fiat Siena. 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, 1988 Pontiac Grand Prix (298 Nm @ 3200 RPM) has 158 more torque (in Nm) than 2011 Fiat Siena. (140 Nm @ 4000 RPM). This means 1988 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 2011 Fiat Siena. 1988 Pontiac Grand Prix has automatic transmission and 2011 Fiat Siena has manual transmission. 2011 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1988 Pontiac Grand Prix will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1988 Pontiac Grand Prix | 2011 Fiat Siena | |
| Make | Pontiac | Fiat |
| Model | Grand Prix | Siena |
| Year Released | 1988 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3097 cc | 1581 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 205 HP | 106 HP |
| Engine RPM | 4800 RPM | 5500 RPM |
| Torque | 298 Nm | 140 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 89 mm | 86.5 mm |
| Engine Stroke Size | 84 mm | 67.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1095 kg |
| Vehicle Length | 4930 mm | 3550 mm |
| Vehicle Width | 1810 mm | 1640 mm |
| Vehicle Height | 1360 mm | 1490 mm |
| Wheelbase Size | 2740 mm | 2370 mm |
| Fuel Tank Capacity | 76 L | 47 L |
