2007 BMW Z4 vs. 1991 BMW 525
To start off, 2007 BMW Z4 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 2,496 cc (6 cylinders), 1991 BMW 525 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (189 HP @ 6000 RPM) has 46 more horse power than 1991 BMW 525. (143 HP @ 4800 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1991 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW 525 weights approximately 300 kg more than 2007 BMW Z4.
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, 1991 BMW 525 (260 Nm @ 2200 RPM) has 15 more torque (in Nm) than 2007 BMW Z4. (245 Nm @ 3500 RPM). This means 1991 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
2007 BMW Z4 | 1991 BMW 525 | |
Make | BMW | BMW |
Model | Z4 | 525 |
Year Released | 2007 | 1991 |
Body Type | Convertible | Station Wagon |
Engine Position | Front | Front |
Engine Size | 2494 cc | 2496 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 189 HP | 143 HP |
Engine RPM | 6000 RPM | 4800 RPM |
Torque | 245 Nm | 260 Nm |
Torque RPM | 3500 RPM | 2200 RPM |
Engine Bore Size | 84 mm | 80 mm |
Engine Stroke Size | 75 mm | 83 mm |
Fuel Type | Gasoline | Diesel |
Top Speed | 235 km/hour | 199 km/hour |
Acceleration 0-100mph | 7 seconds | 11.6 seconds |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1260 kg | 1560 kg |
Vehicle Length | 4100 mm | 4730 mm |
Vehicle Width | 1790 mm | 1760 mm |
Vehicle Height | 1310 mm | 1420 mm |
Wheelbase Size | 2500 mm | 2770 mm |
Fuel Tank Capacity | 55 L | 80 L |