1978 BMW B7 vs. 1991 Oldsmobile Achieva

To start off, 1991 Oldsmobile Achieva is newer by 13 year(s). Which means there will be less support and parts availability for 1978 BMW B7. In addition, the cost of maintenance, including insurance, on 1978 BMW B7 would be higher. At 3,500 cc (6 cylinders), 1978 BMW B7 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1978 BMW B7 weights approximately 190 kg more than 1991 Oldsmobile Achieva.

Because 1978 BMW B7 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 1978 BMW B7. However, in wet, icy, snow, or gravel driving conditions, 1991 Oldsmobile Achieva, 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, 1978 BMW B7 (627 Nm) has 378 more torque (in Nm) than 1991 Oldsmobile Achieva. (249 Nm). This means 1978 BMW B7 will have an easier job in driving up hills or pulling heavy equipment than 1991 Oldsmobile Achieva. 1991 Oldsmobile Achieva has automatic transmission and 1978 BMW B7 has manual transmission. 1978 BMW B7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1991 Oldsmobile Achieva will be easier to drive especially in heavy traffic.

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