2007 BMW M6 vs. 1991 BMW 525
To start off, 2007 BMW M6 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 4,999 cc (10 cylinders), 2007 BMW M6 is equipped with a bigger engine. In terms of performance, 2007 BMW M6 (500 HP @ 7750 RPM) has 357 more horse power than 1991 BMW 525. (143 HP @ 4800 RPM). In normal driving conditions, 2007 BMW M6 should accelerate faster than 1991 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M6 weights approximately 225 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 M6 (520 Nm @ 6100 RPM) has 260 more torque (in Nm) than 1991 BMW 525. (260 Nm @ 2200 RPM). This means 2007 BMW M6 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 525. 2007 BMW M6 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 M6 will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 BMW M6 | 1991 BMW 525 | |
Make | BMW | BMW |
Model | M6 | 525 |
Year Released | 2007 | 1991 |
Body Type | Coupe | Station Wagon |
Engine Position | Front | Front |
Engine Size | 4999 cc | 2496 cc |
Engine Cylinders | 10 cylinders | 6 cylinders |
Engine Type | V | in-line |
Horse Power | 500 HP | 143 HP |
Engine RPM | 7750 RPM | 4800 RPM |
Torque | 520 Nm | 260 Nm |
Torque RPM | 6100 RPM | 2200 RPM |
Engine Bore Size | 92 mm | 80 mm |
Engine Stroke Size | 75.2 mm | 83 mm |
Engine Compression Ratio | 12.0:1 | 22.0:1 |
Fuel Type | Gasoline - Premium | Diesel |
Top Speed | 250 km/hour | 199 km/hour |
Acceleration 0-100mph | 4.6 seconds | 11.6 seconds |
Drive Type | Rear | Rear |
Transmission Type | Automatic | Manual |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1785 kg | 1560 kg |
Vehicle Length | 4880 mm | 4730 mm |
Vehicle Width | 1380 mm | 1760 mm |
Vehicle Height | 1860 mm | 1420 mm |
Wheelbase Size | 2790 mm | 2770 mm |
Fuel Tank Capacity | 70 L | 80 L |