2003 Alpina B3 vs. 1991 Jaguar XJ6
To start off, 2003 Alpina B3 is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Jaguar XJ6. In addition, the cost of maintenance, including insurance, on 1991 Jaguar XJ6 would be higher. At 3,980 cc (6 cylinders), 1991 Jaguar XJ6 is equipped with a bigger engine. In terms of performance, 2003 Alpina B3 (301 HP @ 6300 RPM) has 77 more horse power than 1991 Jaguar XJ6. (224 HP @ 4750 RPM). In normal driving conditions, 2003 Alpina B3 should accelerate faster than 1991 Jaguar XJ6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Alpina B3 weights approximately 125 kg more than 1991 Jaguar XJ6. 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, 1991 Jaguar XJ6 (377 Nm @ 3650 RPM) has 15 more torque (in Nm) than 2003 Alpina B3. (362 Nm @ 4800 RPM). This means 1991 Jaguar XJ6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Alpina B3.
Compare all specifications:
| 2003 Alpina B3 | 1991 Jaguar XJ6 | |
| Make | Alpina | Jaguar |
| Model | B3 | XJ6 |
| Year Released | 2003 | 1991 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 3980 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 224 HP |
| Engine RPM | 6300 RPM | 4750 RPM |
| Torque | 362 Nm | 377 Nm |
| Torque RPM | 4800 RPM | 3650 RPM |
| Engine Bore Size | 87 mm | 91 mm |
| Engine Stroke Size | 93.1 mm | 102 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1950 kg | 1825 kg |
| Vehicle Length | 4490 mm | 4940 mm |
| Vehicle Width | 1760 mm | 2010 mm |
| Vehicle Height | 1370 mm | 1370 mm |
| Wheelbase Size | 2730 mm | 2880 mm |
