2007 Cadillac DTS vs. 2009 Mazda RX-8
To start off, 2009 Mazda RX-8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Cadillac DTS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac DTS would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac DTS is equipped with a bigger engine. In terms of performance, 2007 Cadillac DTS (276 HP @ 6000 RPM) has 168 more horse power than 2009 Mazda RX-8. (108 HP @ 8200 RPM). In normal driving conditions, 2007 Cadillac DTS should accelerate faster than 2009 Mazda RX-8.
Because 2009 Mazda RX-8 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 2009 Mazda RX-8. However, in wet, icy, snow, or gravel driving conditions, 2007 Cadillac DTS, 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 DTS (400 Nm @ 4400 RPM) has 260 more torque (in Nm) than 2009 Mazda RX-8. (140 Nm @ 5500 RPM). This means 2007 Cadillac DTS will have an easier job in driving up hills or pulling heavy equipment than 2009 Mazda RX-8.
Compare all specifications:
| 2007 Cadillac DTS | 2009 Mazda RX-8 | |
| Make | Cadillac | Mazda |
| Model | DTS | RX-8 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1308 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 276 HP | 108 HP |
| Engine RPM | 6000 RPM | 8200 RPM |
| Torque | 400 Nm | 140 Nm |
| Torque RPM | 4400 RPM | 5500 RPM |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5280 mm | 4440 mm |
| Vehicle Width | 1910 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1350 mm |
| Wheelbase Size | 2940 mm | 2710 mm |
| Fuel Tank Capacity | 68 L | 61 L |
