1999 BMW Z9 vs. 1991 Mercedes-Benz S
To start off, 1999 BMW Z9 is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz S would be higher. At 4,397 cc (8 cylinders), 1999 BMW Z9 is equipped with a bigger engine. In terms of performance, 1999 BMW Z9 (242 HP @ 7400 RPM) has 78 more horse power than 1991 Mercedes-Benz S. (164 HP @ 4600 RPM). In normal driving conditions, 1999 BMW Z9 should accelerate faster than 1991 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW Z9 weights approximately 110 kg more than 1991 Mercedes-Benz S. 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, 1999 BMW Z9 (560 Nm @ 1750 RPM) has 332 more torque (in Nm) than 1991 Mercedes-Benz S. (228 Nm @ 4600 RPM). This means 1999 BMW Z9 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz S.
Compare all specifications:
| 1999 BMW Z9 | 1991 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | Z9 | S |
| Year Released | 1999 | 1991 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 2598 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 242 HP | 164 HP |
| Engine RPM | 7400 RPM | 4600 RPM |
| Torque | 560 Nm | 228 Nm |
| Torque RPM | 1750 RPM | 4600 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1630 kg | 1520 kg |
| Vehicle Length | 5010 mm | 5030 mm |
| Vehicle Width | 1980 mm | 1830 mm |
| Vehicle Height | 1350 mm | 1440 mm |
| Wheelbase Size | 3060 mm | 2950 mm |
