2007 Cadillac STS vs. 1978 Mazda RX-3
To start off, 2007 Cadillac STS is newer by 29 year(s). Which means there will be less support and parts availability for 1978 Mazda RX-3. In addition, the cost of maintenance, including insurance, on 1978 Mazda RX-3 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 (321 HP @ 6400 RPM) has 221 more horse power than 1978 Mazda RX-3. (100 HP @ 7000 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1978 Mazda RX-3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 785 kg more than 1978 Mazda RX-3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Mazda RX-3 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 1978 Mazda RX-3. However, in wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS, 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 292 more torque (in Nm) than 1978 Mazda RX-3. (135 Nm @ 4000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-3.
Compare all specifications:
2007 Cadillac STS | 1978 Mazda RX-3 | |
Make | Cadillac | Mazda |
Model | STS | RX-3 |
Year Released | 2007 | 1978 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 4565 cc | 1963 cc |
Engine Type | V | dual-disk rotary |
Horse Power | 321 HP | 100 HP |
Engine RPM | 6400 RPM | 7000 RPM |
Torque | 427 Nm | 135 Nm |
Torque RPM | 4400 RPM | 4000 RPM |
Drive Type | Front | Rear |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1635 kg | 850 kg |
Vehicle Length | 4990 mm | 4090 mm |
Vehicle Width | 1850 mm | 1600 mm |
Vehicle Height | 1470 mm | 1380 mm |
Wheelbase Size | 2960 mm | 2320 mm |
Fuel Tank Capacity | 64 L | 65 L |