1991 Ford Sierra vs. 2001 Pontiac Firebird
To start off, 2001 Pontiac Firebird is newer by 10 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 5,665 cc (8 cylinders), 2001 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2001 Pontiac Firebird (325 HP @ 5200 RPM) has 250 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2001 Pontiac Firebird should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2001 Pontiac Firebird weights approximately 396 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, 2001 Pontiac Firebird (475 Nm @ 4000 RPM) has 323 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2001 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
1991 Ford Sierra | 2001 Pontiac Firebird | |
Make | Ford | Pontiac |
Model | Sierra | Firebird |
Year Released | 1991 | 2001 |
Engine Position | Front | Front |
Engine Size | 1751 cc | 5665 cc |
Engine Cylinders | 4 cylinders | 8 cylinders |
Engine Type | in-line | V |
Horse Power | 75 HP | 325 HP |
Engine RPM | 4500 RPM | 5200 RPM |
Torque | 152 Nm | 475 Nm |
Torque RPM | 2200 RPM | 4000 RPM |
Engine Bore Size | 82.5 mm | 99 mm |
Engine Stroke Size | 82 mm | 92 mm |
Engine Compression Ratio | 21.5:1 | 10.1:1 |
Fuel Type | Diesel | Gasoline |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1145 kg | 1541 kg |
Vehicle Length | 4430 mm | 4930 mm |
Vehicle Width | 1700 mm | 1900 mm |
Vehicle Height | 1370 mm | 1310 mm |
Wheelbase Size | 2620 mm | 2570 mm |
Fuel Tank Capacity | 60 L | 54 L |