1985 Pontiac Firebird vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 28 year(s). Which means there will be less support and parts availability for 1985 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1985 Pontiac Firebird would be higher. At 4,300 cc (6 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (192 HP @ 4600 RPM) has 59 more horse power than 1985 Pontiac Firebird. (133 HP @ 5100 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 1985 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 915 kg more than 1985 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1985 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2013 GMC Sierra will offer significantly more control. 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, 2013 GMC Sierra (353 Nm @ 2800 RPM) has 130 more torque (in Nm) than 1985 Pontiac Firebird. (223 Nm @ 3600 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1985 Pontiac Firebird. 2013 GMC Sierra has automatic transmission and 1985 Pontiac Firebird has manual transmission. 1985 Pontiac Firebird will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1985 Pontiac Firebird | 2013 GMC Sierra | |
| Make | Pontiac | GMC |
| Model | Firebird | Sierra |
| Year Released | 1985 | 2013 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2827 cc | 4300 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 133 HP | 192 HP |
| Engine RPM | 5100 RPM | 4600 RPM |
| Torque | 223 Nm | 353 Nm |
| Torque RPM | 3600 RPM | 2800 RPM |
| Engine Bore Size | 88.9 mm | 101 mm |
| Engine Stroke Size | 75.9 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | 4-speed automatic |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1356 kg | 2271 kg |
| Vehicle Length | 4850 mm | 5702 mm |
| Vehicle Width | 1850 mm | 2031 mm |
| Vehicle Height | 1270 mm | 1875 mm |
| Wheelbase Size | 2740 mm | 3378 mm |
| Fuel Tank Capacity | 60 L | 129 L |
