2001 BMW X5 vs. 2003 Ford Thunderbird
To start off, 2003 Ford Thunderbird is newer by 2 year(s). Which means there will be less support and parts availability for 2001 BMW X5. In addition, the cost of maintenance, including insurance, on 2001 BMW X5 would be higher. At 3,934 cc (8 cylinders), 2003 Ford Thunderbird is equipped with a bigger engine. In terms of performance, 2003 Ford Thunderbird (249 HP @ 6000 RPM) has 60 more horse power than 2001 BMW X5. (189 HP @ 4000 RPM) In normal driving conditions, 2003 Ford Thunderbird should accelerate faster than 2001 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW X5 weights approximately 425 kg more than 2003 Ford Thunderbird.
Because 2001 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Ford Thunderbird. In wet, icy, snow, or gravel driving conditions, 2001 BMW X5 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, 2001 BMW X5 (410 Nm @ 2000 RPM) has 22 more torque (in Nm) than 2003 Ford Thunderbird. (388 Nm @ 4000 RPM). This means 2001 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2003 Ford Thunderbird.
Compare all specifications:
| 2001 BMW X5 | 2003 Ford Thunderbird | |
| Make | BMW | Ford |
| Model | X5 | Thunderbird |
| Year Released | 2001 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2977 cc | 3934 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 189 HP | 249 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 410 Nm | 388 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Compression Ratio | 18.0:1 | 10.8:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2170 kg | 1745 kg |
| Vehicle Length | 4670 mm | 4740 mm |
| Vehicle Width | 1880 mm | 1840 mm |
| Vehicle Height | 1710 mm | 1330 mm |
| Wheelbase Size | 2730 mm | 2730 mm |
| Fuel Tank Capacity | 93 L | 59 L |
