1999 BMW X5 vs. 1977 BMW 320
To start off, 1999 BMW X5 is newer by 22 year(s). Which means there will be less support and parts availability for 1977 BMW 320. In addition, the cost of maintenance, including insurance, on 1977 BMW 320 would be higher. At 4,398 cc (8 cylinders), 1999 BMW X5 is equipped with a bigger engine. In terms of performance, 1999 BMW X5 (282 HP) has 121 more horse power than 1977 BMW 320. (161 HP). In normal driving conditions, 1999 BMW X5 should accelerate faster than 1977 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW X5 weights approximately 1134 kg more than 1977 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1977 BMW 320. In wet, icy, snow, or gravel driving conditions, 1999 BMW X5 will offer significantly more control. 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. 1999 BMW X5 has automatic transmission and 1977 BMW 320 has manual transmission. 1977 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 BMW X5 | 1977 BMW 320 | |
| Make | BMW | BMW |
| Model | X5 | 320 |
| Year Released | 1999 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1990 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 282 HP | 161 HP |
| Engine Bore Size | 92 mm | 88.9 mm |
| Engine Stroke Size | 82.7 mm | 80 mm |
| Top Speed | 207 km/hour | 191 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 2184 kg | 1050 kg |
| Vehicle Length | 4670 mm | 4520 mm |
| Vehicle Width | 1880 mm | 1620 mm |
| Vehicle Height | 1710 mm | 1390 mm |
| Wheelbase Size | 2730 mm | 2570 mm |
