Comparison of Chevrolet Silverado I (facelift 2003) 4.8 Crew Cab 1500 Automatic and Pontiac Grand AM (H) 3.0 V6 Automatic

Attribute	Chevrolet Silverado I (facelift 2003) 4.8 Crew Cab 1500 Automatic ×	Pontiac Grand AM (H) 3.0 V6 Automatic ×
General
Make	Chevrolet	Pontiac
Model	Silverado	Grand AM
Generation	Silverado I (facelift 2003)	Grand AM (H)
Modification	4.8 Crew Cab 1500 Automatic	3.0 V6 Automatic
Website	https://www.chevrolet.com	https://es.wikipedia.org/wiki/Pontiac
Number of doors	5	4
Number of seats	4	5
Body type	Pick-up	Sedan
Transmission	automatic	automatic
Number of gears	4	3
Production from (year)	2003	1984
Production to (year)	2006	1988
Performance
City consumption (l/100km)	14.7	-
Extra-urban consumption (l/100km)	11.2	-
Drive
Drive	Rear wheel drive	Front wheel drive
Position of engine	Front,ongitudinal	Front, transversely
Fuel	Petrol (Gasoline)	Petrol (Gasoline)
Max. power (hp)	275	125
Max. torque (Nm)	386	237
Fuel Engine
Number of cylinders	8	6
Cylinders arrangement	V engine	V engine
Valves per cylinder	2	2
Engine displacement (cm³)	4,807	3,135
Compression ratio	9.5	8.5
Max. power @ rpm (rpm)	5,200	4,200
Max. torque @ rpm (rpm)	4,000	2,200
Cylinder bore (mm)	96	88.9
Piston stroke (mm)	83	84
Fuel system	Multi-point injection	Mono-point injection
Valve control	-	-
Chassis
Front wheel suspension	Torsion	-
Rear wheel suspension	The spring	-
Front brakes	-	Disc
Rear brakes	-	Drum
Dimensions
Length (mm)	5,738	4,510
Width (mm)	1,994	1,690
Height (mm)	1,844	1,340
Wheelbase (mm)	3,645	2,630