2008 Cadillac STS vs. 1998 Mazda RX-7
To start off, 2008 Cadillac STS is newer by 10 year(s). Which means there will be less support and parts availability for 1998 Mazda RX-7. In addition, the cost of maintenance, including insurance, on 1998 Mazda RX-7 would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (320 HP @ 6400 RPM) has 55 more horse power than 1998 Mazda RX-7. (265 HP @ 6500 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 1998 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 395 kg more than 1998 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 1998 Mazda RX-7. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 133 more torque (in Nm) than 1998 Mazda RX-7. (294 Nm @ 5000 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1998 Mazda RX-7. 2008 Cadillac STS has automatic transmission and 1998 Mazda RX-7 has manual transmission. 1998 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Cadillac STS | 1998 Mazda RX-7 | |
| Make | Cadillac | Mazda |
| Model | STS | RX-7 |
| Year Released | 2008 | 1998 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2616 cc |
| Engine Type | V | dual-disk rotary |
| Horse Power | 320 HP | 265 HP |
| Engine RPM | 6400 RPM | 6500 RPM |
| Torque | 427 Nm | 294 Nm |
| Torque RPM | 4400 RPM | 5000 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1635 kg | 1240 kg |
| Vehicle Length | 5000 mm | 4290 mm |
| Vehicle Width | 1850 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1240 mm |
| Wheelbase Size | 2960 mm | 2430 mm |
| Fuel Tank Capacity | 64 L | 76 L |
