1991 Ford Thunderbird vs. 2009 GMC Yukon
To start off, 2009 GMC Yukon is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Ford Thunderbird. In addition, the cost of maintenance, including insurance, on 1991 Ford Thunderbird would be higher. At 5,999 cc (8 cylinders), 2009 GMC Yukon is equipped with a bigger engine. In terms of performance, 2009 GMC Yukon (333 HP @ 5100 RPM) has 136 more horse power than 1991 Ford Thunderbird. (197 HP @ 4000 RPM) In normal driving conditions, 2009 GMC Yukon should accelerate faster than 1991 Ford Thunderbird. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Thunderbird weights approximately 22 kg more than 2009 GMC Yukon.
Because 2009 GMC Yukon is four wheel drive (4WD), it will have significant more traction and grip than 1991 Ford Thunderbird. In wet, icy, snow, or gravel driving conditions, 2009 GMC Yukon 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, 2009 GMC Yukon (498 Nm @ 4100 RPM) has 125 more torque (in Nm) than 1991 Ford Thunderbird. (373 Nm @ 3000 RPM). This means 2009 GMC Yukon will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Thunderbird.
Compare all specifications:
| 1991 Ford Thunderbird | 2009 GMC Yukon | |
| Make | Ford | GMC |
| Model | Thunderbird | Yukon |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 197 HP | 333 HP |
| Engine RPM | 4000 RPM | 5100 RPM |
| Torque | 373 Nm | 498 Nm |
| Torque RPM | 3000 RPM | 4100 RPM |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Rear | 4WD |
| Number of Seats | 4 seats | 8 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1752 kg | 1730 kg |
| Vehicle Length | 5050 mm | 5140 mm |
| Vehicle Width | 1850 mm | 2010 mm |
| Vehicle Height | 1350 mm | 1910 mm |
| Wheelbase Size | 2880 mm | 2950 mm |
| Fuel Tank Capacity | 65 L | 98 L |
