2005 Alfa Romeo 156 vs. 1974 Bitter Diplomat

To start off, 2005 Alfa Romeo 156 is newer by 31 year(s). Which means there will be less support and parts availability for 1974 Bitter Diplomat. In addition, the cost of maintenance, including insurance, on 1974 Bitter Diplomat would be higher. At 5,354 cc (8 cylinders), 1974 Bitter Diplomat is equipped with a bigger engine. In terms of performance, 1974 Bitter Diplomat (227 HP @ 4700 RPM) has 79 more horse power than 2005 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 1974 Bitter Diplomat should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 1974 Bitter Diplomat weights approximately 101 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2005 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 1974 Bitter Diplomat. In wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156 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, 1974 Bitter Diplomat (419 Nm @ 3100 RPM) has 109 more torque (in Nm) than 2005 Alfa Romeo 156. (310 Nm @ 2000 RPM). This means 1974 Bitter Diplomat will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.

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