1981 BMW 725 vs. 2009 Chevrolet TrailBlazer
To start off, 2009 Chevrolet TrailBlazer is newer by 28 year(s). Which means there will be less support and parts availability for 1981 BMW 725. In addition, the cost of maintenance, including insurance, on 1981 BMW 725 would be higher. At 5,999 cc (8 cylinders), 2009 Chevrolet TrailBlazer is equipped with a bigger engine. In terms of performance, 2009 Chevrolet TrailBlazer (390 HP @ 6000 RPM) has 242 more horse power than 1981 BMW 725. (148 HP @ 5500 RPM) In normal driving conditions, 2009 Chevrolet TrailBlazer should accelerate faster than 1981 BMW 725.
Because 2009 Chevrolet TrailBlazer is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 725. In wet, icy, snow, or gravel driving conditions, 2009 Chevrolet TrailBlazer 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 Chevrolet TrailBlazer (542 Nm @ 4000 RPM) has 327 more torque (in Nm) than 1981 BMW 725. (215 Nm @ 4000 RPM). This means 2009 Chevrolet TrailBlazer will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 725.
Compare all specifications:
| 1981 BMW 725 | 2009 Chevrolet TrailBlazer | |
| Make | BMW | Chevrolet |
| Model | 725 | TrailBlazer |
| Year Released | 1981 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 5999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 148 HP | 390 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 215 Nm | 542 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Compression Ratio | 9.6:1 | 10.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4870 mm | 4880 mm |
| Vehicle Width | 1810 mm | 1900 mm |
| Vehicle Height | 1440 mm | 1730 mm |
| Wheelbase Size | 2810 mm | 2880 mm |
