2008 Audi A8 vs. 2005 Infiniti I

To start off, 2008 Audi A8 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Infiniti I. In addition, the cost of maintenance, including insurance, on 2005 Infiniti I would be higher. At 4,172 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (330 HP @ 6500 RPM) has 106 more horse power than 2005 Infiniti I. (224 HP @ 5600 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 2005 Infiniti I. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 400 kg more than 2005 Infiniti I. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2008 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Infiniti I. In wet, icy, snow, or gravel driving conditions, 2008 Audi A8 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, 2008 Audi A8 (431 Nm @ 3500 RPM) has 160 more torque (in Nm) than 2005 Infiniti I. (271 Nm @ 4800 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Infiniti I. 2008 Audi A8 has automatic transmission and 2005 Infiniti I has manual transmission. 2005 Infiniti I will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A8 will be easier to drive especially in heavy traffic.

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