1991 Ford Sierra vs. 2000 Pontiac Grand Prix
To start off, 2000 Pontiac Grand Prix is newer by 9 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 3,130 cc (6 cylinders), 2000 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2000 Pontiac Grand Prix (173 HP @ 5200 RPM) has 98 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2000 Pontiac Grand Prix should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2000 Pontiac Grand Prix weights approximately 383 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2000 Pontiac Grand Prix (264 Nm @ 4000 RPM) has 112 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2000 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 2000 Pontiac Grand Prix | |
| Make | Ford | Pontiac |
| Model | Sierra | Grand Prix |
| Year Released | 1991 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 3130 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 173 HP |
| Engine RPM | 4500 RPM | 5200 RPM |
| Torque | 152 Nm | 264 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1145 kg | 1528 kg |
| Vehicle Length | 4430 mm | 5000 mm |
| Vehicle Width | 1700 mm | 1850 mm |
| Vehicle Height | 1370 mm | 1360 mm |
| Wheelbase Size | 2620 mm | 3160 mm |
| Fuel Tank Capacity | 60 L | 66 L |
