1999 GMC Sierra vs. 2008 Infiniti M

To start off, 2008 Infiniti M is newer by 9 year(s). Which means there will be less support and parts availability for 1999 GMC Sierra. In addition, the cost of maintenance, including insurance, on 1999 GMC Sierra would be higher. At 5,325 cc (8 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 Infiniti M (325 HP @ 6400 RPM) has 43 more horse power than 1999 GMC Sierra. (282 HP @ 5200 RPM) In normal driving conditions, 2008 Infiniti M should accelerate faster than 1999 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Infiniti M weights approximately 2 kg more than 1999 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 2008 Infiniti M (456 Nm @ 4000 RPM) has 16 more torque (in Nm) than 1999 GMC Sierra. (440 Nm @ 4000 RPM). This means 2008 Infiniti M will have an easier job in driving up hills or pulling heavy equipment than 1999 GMC Sierra. 2008 Infiniti M has automatic transmission and 1999 GMC Sierra has manual transmission. 1999 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Infiniti M will be easier to drive especially in heavy traffic.

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