2006 Cadillac STS vs. 2011 Mazda RX-8
To start off, 2011 Mazda RX-8 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 4,556 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (320 HP @ 6400 RPM) has 88 more horse power than 2011 Mazda RX-8. (232 HP @ 8500 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2011 Mazda RX-8.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2006 Cadillac STS (428 Nm @ 4400 RPM) has 213 more torque (in Nm) than 2011 Mazda RX-8. (215 Nm @ 5500 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2011 Mazda RX-8. 2006 Cadillac STS has automatic transmission and 2011 Mazda RX-8 has manual transmission. 2011 Mazda RX-8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Cadillac STS | 2011 Mazda RX-8 | |
| Make | Cadillac | Mazda |
| Model | STS | RX-8 |
| Year Released | 2006 | 2011 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4556 cc | 1300 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 320 HP | 232 HP |
| Engine RPM | 6400 RPM | 8500 RPM |
| Torque | 428 Nm | 215 Nm |
| Torque RPM | 4400 RPM | 5500 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4990 mm | 4460 mm |
| Vehicle Width | 1850 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1341 mm |
| Wheelbase Size | 2960 mm | 2703 mm |
| Fuel Consumption | 9.1 L/100km | 10.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 64 L | 64 L |
