2009 Cadillac STS vs. 2007 Mazda MX-5 Miata
To start off, 2009 Cadillac STS is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mazda MX-5 Miata. In addition, the cost of maintenance, including insurance, on 2007 Mazda MX-5 Miata would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (320 HP @ 6400 RPM) has 162 more horse power than 2007 Mazda MX-5 Miata. (158 HP @ 6700 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 2007 Mazda MX-5 Miata. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 465 kg more than 2007 Mazda MX-5 Miata. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2009 Cadillac STS (427 Nm @ 4400 RPM) has 239 more torque (in Nm) than 2007 Mazda MX-5 Miata. (188 Nm @ 5000 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 Mazda MX-5 Miata. 2009 Cadillac STS has automatic transmission and 2007 Mazda MX-5 Miata has manual transmission. 2007 Mazda MX-5 Miata will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac STS | 2007 Mazda MX-5 Miata | |
| Make | Cadillac | Mazda |
| Model | STS | MX-5 Miata |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1997 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 158 HP |
| Engine RPM | 6400 RPM | 6700 RPM |
| Torque | 427 Nm | 188 Nm |
| Torque RPM | 4400 RPM | 5000 RPM |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1095 kg |
| Vehicle Length | 5000 mm | 4000 mm |
| Vehicle Width | 1850 mm | 1250 mm |
| Vehicle Height | 1470 mm | 1730 mm |
| Wheelbase Size | 2960 mm | 2340 mm |
| Fuel Consumption Overall | 13.1 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 64 L | 50 L |
