2007 BMW Z4 vs. 1991 Mercedes-Benz SL
To start off, 2007 BMW Z4 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Mercedes-Benz SL. In addition, the cost of maintenance, including insurance, on 1991 Mercedes-Benz SL would be higher. At 3,246 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (338 HP @ 7900 RPM) has 110 more horse power than 1991 Mercedes-Benz SL. (228 HP @ 6400 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1991 Mercedes-Benz SL. With that said, vehicle weight also plays an important factor in acceleration. 1991 Mercedes-Benz SL weights approximately 205 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, 2007 BMW Z4 (365 Nm @ 4900 RPM) has 93 more torque (in Nm) than 1991 Mercedes-Benz SL. (272 Nm @ 4600 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mercedes-Benz SL.
Compare all specifications:
2007 BMW Z4 | 1991 Mercedes-Benz SL | |
Make | BMW | Mercedes-Benz |
Model | Z4 | SL |
Year Released | 2007 | 1991 |
Body Type | Convertible | Convertible |
Engine Position | Front | Front |
Engine Size | 3246 cc | 2961 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Horse Power | 338 HP | 228 HP |
Engine RPM | 7900 RPM | 6400 RPM |
Torque | 365 Nm | 272 Nm |
Torque RPM | 4900 RPM | 4600 RPM |
Engine Bore Size | 87 mm | 88.5 mm |
Engine Stroke Size | 91 mm | 80.3 mm |
Engine Compression Ratio | 11.5:1 | 10.0:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 2 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1485 kg | 1690 kg |
Vehicle Length | 4120 mm | 4480 mm |
Vehicle Width | 1790 mm | 1820 mm |
Vehicle Height | 1310 mm | 1300 mm |
Wheelbase Size | 2500 mm | 2520 mm |
Fuel Tank Capacity | 55 L | 80 L |