1998 BMW 728 vs. 2013 BMW M5
To start off, 2013 BMW M5 is newer by 15 year(s). Which means there will be less support and parts availability for 1998 BMW 728. In addition, the cost of maintenance, including insurance, on 1998 BMW 728 would be higher. At 4,395 cc (10 cylinders), 2013 BMW M5 is equipped with a bigger engine. In terms of performance, 2013 BMW M5 (493 HP @ 7750 RPM) has 303 more horse power than 1998 BMW 728. (190 HP @ 5500 RPM) In normal driving conditions, 2013 BMW M5 should accelerate faster than 1998 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW M5 weights approximately 15 kg more than 1998 BMW 728. 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, 2013 BMW M5 (519 Nm @ 6100 RPM) has 239 more torque (in Nm) than 1998 BMW 728. (280 Nm @ 3500 RPM). This means 2013 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 728.
Compare all specifications:
| 1998 BMW 728 | 2013 BMW M5 | |
| Make | BMW | BMW |
| Model | 728 | M5 |
| Year Released | 1998 | 2013 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Horse Power | 190 HP | 493 HP |
| Engine RPM | 5500 RPM | 7750 RPM |
| Torque | 280 Nm | 519 Nm |
| Torque RPM | 3500 RPM | 6100 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1805 kg | 1820 kg |
| Vehicle Length | 4990 mm | 4863 mm |
| Vehicle Width | 1870 mm | 1846 mm |
| Vehicle Height | 1440 mm | 1469 mm |
| Wheelbase Size | 2940 mm | 2889 mm |
| Fuel Tank Capacity | 85 L | 70 L |
