2006 Cadillac STS vs. 1966 Fiat Coupe
To start off, 2006 Cadillac STS is newer by 40 year(s). Which means there will be less support and parts availability for 1966 Fiat Coupe. In addition, the cost of maintenance, including insurance, on 1966 Fiat Coupe would be higher. At 3,563 cc (6 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (253 HP @ 6500 RPM) has 105 more horse power than 1966 Fiat Coupe. (148 HP @ 5600 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 1966 Fiat Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 552 kg more than 1966 Fiat Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 Cadillac STS (342 Nm @ 3200 RPM) has 141 more torque (in Nm) than 1966 Fiat Coupe. (201 Nm @ 4000 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1966 Fiat Coupe.
Compare all specifications:
| 2006 Cadillac STS | 1966 Fiat Coupe | |
| Make | Cadillac | Fiat |
| Model | STS | Coupe |
| Year Released | 2006 | 1966 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 2279 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 253 HP | 148 HP |
| Engine RPM | 6500 RPM | 5600 RPM |
| Torque | 342 Nm | 201 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 94 mm | 78 mm |
| Engine Stroke Size | 85.6 mm | 79.5 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1782 kg | 1230 kg |
| Vehicle Length | 4990 mm | 4630 mm |
| Vehicle Width | 1850 mm | 1640 mm |
| Vehicle Height | 1470 mm | 1370 mm |
| Wheelbase Size | 2960 mm | 2660 mm |
| Fuel Tank Capacity | 66 L | 70 L |
