2009 Cadillac STS vs. 1978 Mazda 616
To start off, 2009 Cadillac STS is newer by 31 year(s). Which means there will be less support and parts availability for 1978 Mazda 616. In addition, the cost of maintenance, including insurance, on 1978 Mazda 616 would be higher. At 3,599 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 223 more horse power than 1978 Mazda 616. (79 HP @ 5500 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1978 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 723 kg more than 1978 Mazda 616. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 245 more torque (in Nm) than 1978 Mazda 616. (124 Nm @ 3500 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 616.
Compare all specifications:
| 2009 Cadillac STS | 1978 Mazda 616 | |
| Make | Cadillac | Mazda |
| Model | STS | 616 |
| Year Released | 2009 | 1978 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 1586 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 302 HP | 79 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 369 Nm | 124 Nm |
| Torque RPM | 5200 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1635 kg | 912 kg |
| Vehicle Length | 5000 mm | 4160 mm |
| Vehicle Width | 1850 mm | 1590 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2960 mm | 2480 mm |
