2008 BMW M5 vs. 1989 Porsche 911

To start off, 2008 BMW M5 is newer by 19 year(s). Which means there will be less support and parts availability for 1989 Porsche 911. In addition, the cost of maintenance, including insurance, on 1989 Porsche 911 would be higher. At 4,999 cc (10 cylinders), 2008 BMW M5 is equipped with a bigger engine. In terms of performance, 2008 BMW M5 (500 HP @ 7750 RPM) has 253 more horse power than 1989 Porsche 911. (247 HP @ 6100 RPM). In normal driving conditions, 2008 BMW M5 should accelerate faster than 1989 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW M5 weights approximately 480 kg more than 1989 Porsche 911. 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, 2008 BMW M5 (520 Nm @ 6100 RPM) has 210 more torque (in Nm) than 1989 Porsche 911. (310 Nm @ 4800 RPM). This means 2008 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1989 Porsche 911. 2008 BMW M5 has automatic transmission and 1989 Porsche 911 has manual transmission. 1989 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW M5 will be easier to drive especially in heavy traffic.

Compare all specifications:

2008 BMW M5 1989 Porsche 911
Make BMW Porsche
Model M5 911
Year Released 2008 1989
Body Type Sedan Coupe
Engine Position Front Rear
Engine Size 4999 cc 3600 cc
Engine Cylinders 10 cylinders 6 cylinders
Engine Type V boxer
Valves per Cylinder 4 valves 2 valves
Horse Power 500 HP 247 HP
Engine RPM 7750 RPM 6100 RPM
Torque 520 Nm 310 Nm
Torque RPM 6100 RPM 4800 RPM
Engine Bore Size 92 mm 100 mm
Engine Stroke Size 75.2 mm 76.4 mm
Engine Compression Ratio 12.0:1 11.3:1
Drive Type Rear Rear
Transmission Type Automatic Manual
Number of Seats 5 seats 4 seats
Number of Doors 4 doors 2 doors
Vehicle Weight 1830 kg 1350 kg
Vehicle Length 4860 mm 4300 mm
Vehicle Width 1850 mm 1660 mm
Vehicle Height 1480 mm 1330 mm
Wheelbase Size 2900 mm 2270 mm
Fuel Tank Capacity 70 L 77 L