2003 BMW 520 vs. 1971 Buick GS

To start off, 2003 BMW 520 is newer by 32 year(s). Which means there will be less support and parts availability for 1971 Buick GS. In addition, the cost of maintenance, including insurance, on 1971 Buick GS would be higher. At 5,724 cc (6 cylinders), 1971 Buick GS is equipped with a bigger engine. In terms of performance, 1971 Buick GS (190 HP @ 4000 RPM) has 23 more horse power than 2003 BMW 520. (167 HP @ 6100 RPM) In normal driving conditions, 1971 Buick GS should accelerate faster than 2003 BMW 520. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 520 weights approximately 68 kg more than 1971 Buick GS.

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, 1971 Buick GS (394 Nm @ 2800 RPM) has 184 more torque (in Nm) than 2003 BMW 520. (210 Nm @ 3500 RPM). This means 1971 Buick GS will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 520. 2003 BMW 520 has automatic transmission and 1971 Buick GS has manual transmission. 1971 Buick GS will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW 520 will be easier to drive especially in heavy traffic.

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