1967 AC 428 vs. 1999 Fiat Siena

To start off, 1999 Fiat Siena is newer by 32 year(s). Which means there will be less support and parts availability for 1967 AC 428. In addition, the cost of maintenance, including insurance, on 1967 AC 428 would be higher. At 7,010 cc (8 cylinders), 1967 AC 428 is equipped with a bigger engine. In terms of performance, 1967 AC 428 (345 HP @ 4600 RPM) has 294 more horse power than 1999 Fiat Siena. (51 HP @ 4000 RPM). In normal driving conditions, 1967 AC 428 should accelerate faster than 1999 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1967 AC 428 weights approximately 183 kg more than 1999 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 1967 AC 428 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 1967 AC 428. However, in wet, icy, snow, or gravel driving conditions, 1999 Fiat Siena, 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, 1967 AC 428 (627 Nm) has 427 more torque (in Nm) than 1999 Fiat Siena. (200 Nm). This means 1967 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1999 Fiat Siena. 1967 AC 428 has automatic transmission and 1999 Fiat Siena has manual transmission. 1999 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1967 AC 428 will be easier to drive especially in heavy traffic.

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