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2004 Alfa Romeo 156 vs. 2005 GMC Sierra

To start off, 2005 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2004 Alfa Romeo 156 would be higher. At 5,965 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (321 HP @ 5000 RPM) has 208 more horse power than 2004 Alfa Romeo 156. (113 HP @ 4000 RPM) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2004 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 865 kg more than 2004 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2005 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2004 Alfa Romeo 156. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 GMC Sierra (370 Nm @ 4000 RPM) has 95 more torque (in Nm) than 2004 Alfa Romeo 156. (275 Nm @ 2000 RPM). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2004 Alfa Romeo 156. 2005 GMC Sierra has automatic transmission and 2004 Alfa Romeo 156 has manual transmission. 2004 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 GMC Sierra will be easier to drive especially in heavy traffic.

Compare all specifications:

2004 Alfa Romeo 156 2005 GMC Sierra
Make Alfa Romeo GMC
Model 156 Sierra
Year Released 2004 2005
Body Type Sedan Pickup
Engine Position Front Front
Engine Size 1969 cc 5965 cc
Engine Cylinders 4 cylinders 8 cylinders
Engine Type in-line V
Horse Power 113 HP 321 HP
Engine RPM 4000 RPM 5000 RPM
Torque 275 Nm 370 Nm
Torque RPM 2000 RPM 4000 RPM
Fuel Type Diesel Gasoline
Drive Type Front 4WD
Transmission Type Manual Automatic
Number of Seats 5 seats 6 seats
Number of Doors 4 doors 4 doors
Vehicle Weight 1405 kg 2270 kg
Vehicle Length 4440 mm 5790 mm
Vehicle Width 1750 mm 2000 mm
Vehicle Height 1400 mm 1850 mm
Wheelbase Size 2550 mm 3650 mm
Fuel Consumption Overall 5.8 L/100km 13.1 L/100km
Fuel Tank Capacity 63 L 117 L


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