1972 AC 428 vs. 1999 GMC Sonoma

To start off, 1999 GMC Sonoma is newer by 27 year(s). Which means there will be less support and parts availability for 1972 AC 428. In addition, the cost of maintenance, including insurance, on 1972 AC 428 would be higher. At 7,003 cc (8 cylinders), 1972 AC 428 is equipped with a bigger engine. In terms of performance, 1972 AC 428 (298 HP @ 4600 RPM) has 121 more horse power than 1999 GMC Sonoma. (177 HP @ 4400 RPM). In normal driving conditions, 1972 AC 428 should accelerate faster than 1999 GMC Sonoma. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sonoma weights approximately 66 kg more than 1972 AC 428.

Because 1999 GMC Sonoma is four wheel drive (4WD), it will have significant more traction and grip than 1972 AC 428. In wet, icy, snow, or gravel driving conditions, 1999 GMC Sonoma 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, 1972 AC 428 (639 Nm @ 2800 RPM) has 307 more torque (in Nm) than 1999 GMC Sonoma. (332 Nm @ 2800 RPM). This means 1972 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1999 GMC Sonoma.

Compare all specifications:

1972 AC 428 1999 GMC Sonoma
Make AC GMC
Model 428 Sonoma
Year Released 1972 1999
Engine Position Front Front
Engine Size 7003 cc 4293 cc
Engine Cylinders 8 cylinders 6 cylinders
Engine Type in-line V
Horse Power 298 HP 177 HP
Engine RPM 4600 RPM 4400 RPM
Torque 639 Nm 332 Nm
Torque RPM 2800 RPM 2800 RPM
Fuel Type Gasoline Gasoline
Drive Type Rear 4WD
Transmission Type Manual Manual
Vehicle Weight 1434 kg 1500 kg
Vehicle Length 4430 mm 5210 mm
Vehicle Width 1710 mm 1730 mm
Vehicle Height 1310 mm 1600 mm
Wheelbase Size 2450 mm 3130 mm