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 (275 HP @ 6000 RPM) has 43 more horse power than 2009 Mazda RX-8. (232 HP @ 8500 RPM). In normal driving conditions, 2007 Cadillac DTS should accelerate faster than 2009 Mazda RX-8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac DTS weights approximately 513 kg more than 2009 Mazda RX-8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 184 more torque (in Nm) than 2009 Mazda RX-8. (216 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. 2007 Cadillac DTS has automatic transmission and 2009 Mazda RX-8 has manual transmission. 2009 Mazda RX-8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac DTS will be easier to drive especially in heavy traffic.
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 | 275 HP | 232 HP |
| Engine RPM | 6000 RPM | 8500 RPM |
| Torque | 400 Nm | 216 Nm |
| Torque RPM | 4400 RPM | 5500 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1638 kg | 1125 kg |
| Vehicle Length | 5280 mm | 4470 mm |
| Vehicle Width | 1910 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1350 mm |
| Wheelbase Size | 2940 mm | 2710 mm |
| Fuel Consumption | 9.4 L/100km | 10.7 L/100km |
| Fuel Consumption City | 13.8 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 68 L | 64 L |
