1986 Ford Thunderbird vs. 2005 GMC Sierra
To start off, 2005 GMC Sierra is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Ford Thunderbird. In addition, the cost of maintenance, including insurance, on 1986 Ford Thunderbird would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 159 more horse power than 1986 Ford Thunderbird. (162 HP @ 4600 RPM) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 1986 Ford Thunderbird. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 892 kg more than 1986 Ford Thunderbird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1986 Ford Thunderbird. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (370 Nm @ 4000 RPM) has 129 more torque (in Nm) than 1986 Ford Thunderbird. (241 Nm @ 3600 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Thunderbird.
Compare all specifications:
| 1986 Ford Thunderbird | 2005 GMC Sierra | |
| Make | Ford | GMC |
| Model | Thunderbird | Sierra |
| Year Released | 1986 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2299 cc | 5965 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 162 HP | 321 HP |
| Engine RPM | 4600 RPM | 5000 RPM |
| Torque | 241 Nm | 370 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1378 kg | 2270 kg |
| Vehicle Length | 5030 mm | 5790 mm |
| Vehicle Width | 1810 mm | 2000 mm |
| Vehicle Height | 1360 mm | 1850 mm |
| Wheelbase Size | 2650 mm | 3650 mm |
| Fuel Tank Capacity | 54 L | 117 L |
