2007 GMC Sierra vs. 1975 Holden Belmont

To start off, 2007 GMC Sierra is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Holden Belmont. In addition, the cost of maintenance, including insurance, on 1975 Holden Belmont would be higher. At 6,172 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (403 HP @ 5700 RPM) has 287 more horse power than 1975 Holden Belmont. (116 HP @ 4400 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1975 Holden Belmont. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 1153 kg more than 1975 Holden Belmont. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2007 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1975 Holden Belmont. In wet, icy, snow, or gravel driving conditions, 2007 GMC Sierra will offer significantly more control. 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, 2007 GMC Sierra (565 Nm @ 4300 RPM) has 337 more torque (in Nm) than 1975 Holden Belmont. (228 Nm @ 2000 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1975 Holden Belmont.

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