1991 Ford Sierra vs. 1969 Pontiac Firebird
To start off, 1991 Ford Sierra is newer by 22 year(s). Which means there will be less support and parts availability for 1969 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1969 Pontiac Firebird would be higher. At 5,700 cc (8 cylinders), 1969 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1969 Pontiac Firebird (320 HP) has 245 more horse power than 1991 Ford Sierra. (75 HP) In normal driving conditions, 1969 Pontiac Firebird should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1969 Pontiac Firebird weights approximately 515 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.
Compare all specifications:
| 1991 Ford Sierra | 1969 Pontiac Firebird | |
| Make | Ford | Pontiac |
| Model | Sierra | Firebird |
| Year Released | 1991 | 1969 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 5700 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 320 HP |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1145 kg | 1660 kg |
| Vehicle Length | 4430 mm | 4800 mm |
| Vehicle Width | 1700 mm | 1850 mm |
| Vehicle Height | 1370 mm | 1310 mm |
| Wheelbase Size | 2620 mm | 2750 mm |
