1977 BMW 728 vs. 1975 Saab 99
To start off, 1977 BMW 728 is newer by 2 year(s). Which means there will be less support and parts availability for 1975 Saab 99. In addition, the cost of maintenance, including insurance, on 1975 Saab 99 would be higher. At 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 85 more horse power than 1975 Saab 99. (85 HP @ 5000 RPM). In normal driving conditions, 1977 BMW 728 should accelerate faster than 1975 Saab 99. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 416 kg more than 1975 Saab 99. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1977 BMW 728 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1977 BMW 728. However, in wet, icy, snow, or gravel driving conditions, 1975 Saab 99, being front wheel drive (FWD), will offer much better control with better grip. 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, 1977 BMW 728 (235 Nm @ 3700 RPM) has 88 more torque (in Nm) than 1975 Saab 99. (147 Nm @ 3000 RPM). This means 1977 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1975 Saab 99.
Compare all specifications:
| 1977 BMW 728 | 1975 Saab 99 | |
| Make | BMW | Saab |
| Model | 728 | 99 |
| Year Released | 1977 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 1854 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 85 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 235 Nm | 147 Nm |
| Torque RPM | 3700 RPM | 3000 RPM |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1536 kg | 1120 kg |
| Vehicle Length | 4870 mm | 4430 mm |
| Vehicle Width | 1810 mm | 1700 mm |
| Vehicle Height | 1440 mm | 1450 mm |
| Wheelbase Size | 2800 mm | 2480 mm |
| Fuel Tank Capacity | 85 L | 60 L |
