1999 Dodge T-Rex 6x6 vs. 1981 Pontiac Firebird
To start off, 1999 Dodge T-Rex 6x6 is newer by 18 year(s). Which means there will be less support and parts availability for 1981 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1981 Pontiac Firebird would be higher. At 7,999 cc (10 cylinders), 1999 Dodge T-Rex 6x6 is equipped with a bigger engine. In terms of performance, 1999 Dodge T-Rex 6x6 (491 HP @ 5400 RPM) has 381 more horse power than 1981 Pontiac Firebird. (110 HP @ 3800 RPM). In normal driving conditions, 1999 Dodge T-Rex 6x6 should accelerate faster than 1981 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1999 Dodge T-Rex 6x6 weights approximately 3795 kg more than 1981 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1999 Dodge T-Rex 6x6 (804 Nm @ 3700 RPM) has 548 more torque (in Nm) than 1981 Pontiac Firebird. (256 Nm @ 1600 RPM). This means 1999 Dodge T-Rex 6x6 will have an easier job in driving up hills or pulling heavy equipment than 1981 Pontiac Firebird.
Compare all specifications:
| 1999 Dodge T-Rex 6x6 | 1981 Pontiac Firebird | |
| Make | Dodge | Pontiac |
| Model | T-Rex 6x6 | Firebird |
| Year Released | 1999 | 1981 |
| Body Type | Pickup | Coupe |
| Engine Position | Front | Front |
| Engine Size | 7999 cc | 3790 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 491 HP | 110 HP |
| Engine RPM | 5400 RPM | 3800 RPM |
| Torque | 804 Nm | 256 Nm |
| Torque RPM | 3700 RPM | 1600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 5400 kg | 1605 kg |
| Wheelbase Size | 3380 mm | 2750 mm |
