1977 BMW 728 vs. 1990 Jaguar XJR-15
To start off, 1990 Jaguar XJR-15 is newer by 13 year(s). Which means there will be less support and parts availability for 1977 BMW 728. In addition, the cost of maintenance, including insurance, on 1977 BMW 728 would be higher. At 5,993 cc (12 cylinders), 1990 Jaguar XJR-15 is equipped with a bigger engine. In terms of performance, 1990 Jaguar XJR-15 (450 HP @ 6250 RPM) has 280 more horse power than 1977 BMW 728. (170 HP @ 6000 RPM) In normal driving conditions, 1990 Jaguar XJR-15 should accelerate faster than 1977 BMW 728. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 486 kg more than 1990 Jaguar XJR-15.
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, 1990 Jaguar XJR-15 (569 Nm @ 4500 RPM) has 334 more torque (in Nm) than 1977 BMW 728. (235 Nm @ 3700 RPM). This means 1990 Jaguar XJR-15 will have an easier job in driving up hills or pulling heavy equipment than 1977 BMW 728.
Compare all specifications:
| 1977 BMW 728 | 1990 Jaguar XJR-15 | |
| Make | BMW | Jaguar |
| Model | 728 | XJR-15 |
| Year Released | 1977 | 1990 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2788 cc | 5993 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Horse Power | 170 HP | 450 HP |
| Engine RPM | 6000 RPM | 6250 RPM |
| Torque | 235 Nm | 569 Nm |
| Torque RPM | 3700 RPM | 4500 RPM |
| Engine Bore Size | 86 mm | 90.1 mm |
| Engine Stroke Size | 80 mm | 78.5 mm |
| Top Speed | 193 km/hour | 307 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 1 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1536 kg | 1050 kg |
| Vehicle Length | 4870 mm | 4810 mm |
| Vehicle Width | 1810 mm | 1910 mm |
| Vehicle Height | 1440 mm | 1110 mm |
| Wheelbase Size | 2800 mm | 2870 mm |
| Fuel Tank Capacity | 85 L | 90 L |
