2005 Kia Sorento vs. 1977 Pontiac Firebird

To start off, 2005 Kia Sorento is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Firebird would be higher. At 3,790 cc (6 cylinders), 1977 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 2005 Kia Sorento (140 HP @ 3800 RPM) has 15 more horse power than 1977 Pontiac Firebird. (125 HP @ 3200 RPM). In normal driving conditions, 2005 Kia Sorento should accelerate faster than 1977 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2005 Kia Sorento weights approximately 79 kg more than 1977 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Let's talk about torque, 1977 Pontiac Firebird (332 Nm @ 2000 RPM) has 12 more torque (in Nm) than 2005 Kia Sorento. (320 Nm @ 2000 RPM). This means 1977 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Sorento.

Compare all specifications:

2005 Kia Sorento 1977 Pontiac Firebird
Make Kia Pontiac
Model Sorento Firebird
Year Released 2005 1977
Body Type SUV Coupe
Engine Position Front Front
Engine Size 2497 cc 3790 cc
Engine Cylinders 4 cylinders 6 cylinders
Engine Type in-line V
Valves per Cylinder 4 valves 2 valves
Horse Power 140 HP 125 HP
Engine RPM 3800 RPM 3200 RPM
Torque 320 Nm 332 Nm
Torque RPM 2000 RPM 2000 RPM
Number of Seats 5 seats 4 seats
Number of Doors 5 doors 2 doors
Vehicle Weight 1549 kg 1470 kg
Wheelbase Size 2720 mm 2750 mm