2007 Cadillac STS vs. 1997 Pontiac Bonneville

To start off, 2007 Cadillac STS is newer by 10 year(s). Which means there will be less support and parts availability for 1997 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1997 Pontiac Bonneville would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP) has 120 more horse power than 1997 Pontiac Bonneville. (200 HP). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1997 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 78 kg more than 1997 Pontiac Bonneville. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2007 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 1997 Pontiac Bonneville, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 109 more torque (in Nm) than 1997 Pontiac Bonneville. (318 Nm @ 4000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1997 Pontiac Bonneville.

Compare all specifications:

2007 Cadillac STS 1997 Pontiac Bonneville
Make Cadillac Pontiac
Model STS Bonneville
Year Released 2007 1997
Body Type Sedan Sedan
Engine Position Front Front
Engine Size 4565 cc 3789 cc
Engine Cylinders 8 cylinders 6 cylinders
Engine Type V V
Valves per Cylinder 4 valves 2 valves
Horse Power 320 HP 200 HP
Torque 427 Nm 318 Nm
Torque RPM 4400 RPM 4000 RPM
Engine Bore Size 93 mm 96.5 mm
Engine Stroke Size 84 mm 86.4 mm
Engine Compression Ratio 10.5:1 9.4:1
Drive Type Rear Front
Transmission Type Automatic Automatic
Number of Seats 5 seats 5 seats
Number of Doors 4 doors 4 doors
Vehicle Weight 1638 kg 1560 kg
Vehicle Length 4990 mm 5120 mm
Vehicle Width 1850 mm 1860 mm
Vehicle Height 1470 mm 1420 mm
Wheelbase Size 2960 mm 2700 mm
Fuel Tank Capacity 64 L 68 L