2007 BMW M3 vs. 1991 Mercedes-Benz S
To start off, 2007 BMW M3 is newer by 16 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 3,245 cc (6 cylinders), 2007 BMW M3 is equipped with a bigger engine. In terms of performance, 2007 BMW M3 (338 HP @ 7900 RPM) has 174 more horse power than 1991 Mercedes-Benz S. (164 HP @ 4600 RPM). In normal driving conditions, 2007 BMW M3 should accelerate faster than 1991 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M3 weights approximately 135 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, 2007 BMW M3 (365 Nm @ 4900 RPM) has 137 more torque (in Nm) than 1991 Mercedes-Benz S. (228 Nm @ 4600 RPM). This means 2007 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz S.
Compare all specifications:
| 2007 BMW M3 | 1991 Mercedes-Benz S | |
| Make | BMW | Mercedes-Benz |
| Model | M3 | S |
| Year Released | 2007 | 1991 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 2598 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 338 HP | 164 HP |
| Engine RPM | 7900 RPM | 4600 RPM |
| Torque | 365 Nm | 228 Nm |
| Torque RPM | 4900 RPM | 4600 RPM |
| Engine Bore Size | 87 mm | 82.9 mm |
| Engine Stroke Size | 91 mm | 80.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1655 kg | 1520 kg |
| Vehicle Length | 4500 mm | 5030 mm |
| Vehicle Width | 1790 mm | 1830 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2740 mm | 2950 mm |
