2007 Cadillac STS vs. 2006 Mazda MX-5 Miata
To start off, 2007 Cadillac STS is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Mazda MX-5 Miata. In addition, the cost of maintenance, including insurance, on 2006 Mazda MX-5 Miata 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 (322 HP @ 6400 RPM) has 152 more horse power than 2006 Mazda MX-5 Miata. (170 HP @ 6700 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2006 Mazda MX-5 Miata. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 410 kg more than 2006 Mazda MX-5 Miata. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2006 Mazda MX-5 Miata. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS will offer significantly more control. 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 237 more torque (in Nm) than 2006 Mazda MX-5 Miata. (190 Nm @ 5000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2006 Mazda MX-5 Miata.
Compare all specifications:
| 2007 Cadillac STS | 2006 Mazda MX-5 Miata | |
| Make | Cadillac | Mazda |
| Model | STS | MX-5 Miata |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1999 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 322 HP | 170 HP |
| Engine RPM | 6400 RPM | 6700 RPM |
| Torque | 427 Nm | 190 Nm |
| Torque RPM | 4400 RPM | 5000 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1820 kg | 1410 kg |
| Vehicle Length | 4990 mm | 4000 mm |
| Vehicle Width | 1850 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1250 mm |
| Wheelbase Size | 2960 mm | 2340 mm |
| Fuel Consumption Highway | 9.1 L/100km | 7.8 L/100km |
| Fuel Consumption City | 13.8 L/100km | 9.4 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 66 L | 48 L |
