1991 BMW 525 vs. 2007 BMW 740
To start off, 2007 BMW 740 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 BMW 525. In addition, the cost of maintenance, including insurance, on 1991 BMW 525 would be higher. At 4,000 cc (8 cylinders), 2007 BMW 740 is equipped with a bigger engine. In terms of performance, 2007 BMW 740 (302 HP) has 159 more horse power than 1991 BMW 525. (143 HP) In normal driving conditions, 2007 BMW 740 should accelerate faster than 1991 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 740 weights approximately 425 kg more than 1991 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2007 BMW 740 (390 Nm @ 3500 RPM) has 130 more torque (in Nm) than 1991 BMW 525. (260 Nm @ 2200 RPM). This means 2007 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 525. 2007 BMW 740 has automatic transmission and 1991 BMW 525 has manual transmission. 1991 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 740 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 BMW 525 | 2007 BMW 740 | |
| Make | BMW | BMW |
| Model | 525 | 740 |
| Year Released | 1991 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 4000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 143 HP | 302 HP |
| Torque | 260 Nm | 390 Nm |
| Torque RPM | 2200 RPM | 3500 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 199 km/hour | 245 km/hour |
| Acceleration 0-100mph | 11.6 seconds | 6.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1985 kg |
| Vehicle Length | 4730 mm | 5180 mm |
| Vehicle Width | 1760 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2770 mm | 3140 mm |
| Fuel Tank Capacity | 80 L | 88 L |
