2001 Ford Thunderbird vs. 2011 GMC Sierra
To start off, 2011 GMC Sierra is newer by 10 year(s). Which means there will be less support and parts availability for 2001 Ford Thunderbird. In addition, the cost of maintenance, including insurance, on 2001 Ford Thunderbird would be higher. At 6,000 cc (8 cylinders), 2011 GMC Sierra is equipped with a bigger engine. In terms of performance, 2011 GMC Sierra (353 HP @ 5400 RPM) has 104 more horse power than 2001 Ford Thunderbird. (249 HP @ 6000 RPM) In normal driving conditions, 2011 GMC Sierra should accelerate faster than 2001 Ford Thunderbird. With that said, vehicle weight also plays an important factor in acceleration. 2011 GMC Sierra weights approximately 914 kg more than 2001 Ford Thunderbird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2001 Ford Thunderbird. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 GMC Sierra (506 Nm @ 4400 RPM) has 118 more torque (in Nm) than 2001 Ford Thunderbird. (388 Nm @ 4000 RPM). This means 2011 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2001 Ford Thunderbird.
Compare all specifications:
| 2001 Ford Thunderbird | 2011 GMC Sierra | |
| Make | Ford | GMC |
| Model | Thunderbird | Sierra |
| Year Released | 2001 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 3933 cc | 6000 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 249 HP | 353 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 388 Nm | 506 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Compression Ratio | 10.6:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1745 kg | 2659 kg |
| Vehicle Length | 4740 mm | 5720 mm |
| Vehicle Width | 1840 mm | 2440 mm |
| Vehicle Height | 1330 mm | 1960 mm |
| Wheelbase Size | 2730 mm | 3380 mm |
| Fuel Tank Capacity | 59 L | 129 L |
