1991 Alpina B vs. 1981 Jaguar XJS

To start off, 1991 Alpina B is newer by 10 year(s). Which means there will be less support and parts availability for 1981 Jaguar XJS. In addition, the cost of maintenance, including insurance, on 1981 Jaguar XJS would be higher. At 5,646 cc (12 cylinders), 1991 Alpina B is equipped with a bigger engine. In terms of performance, 1991 Alpina B (410 HP @ 5400 RPM) has 111 more horse power than 1981 Jaguar XJS. (299 HP @ 5500 RPM). In normal driving conditions, 1991 Alpina B should accelerate faster than 1981 Jaguar XJS. With that said, vehicle weight also plays an important factor in acceleration. 1991 Alpina B weights approximately 159 kg more than 1981 Jaguar XJS. 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 Alpina B (570 Nm @ 4000 RPM) has 139 more torque (in Nm) than 1981 Jaguar XJS. (431 Nm @ 3000 RPM). This means 1991 Alpina B will have an easier job in driving up hills or pulling heavy equipment than 1981 Jaguar XJS. 1981 Jaguar XJS has automatic transmission and 1991 Alpina B has manual transmission. 1991 Alpina B will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1981 Jaguar XJS will be easier to drive especially in heavy traffic.

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