1991 Ford Sierra vs. 2001 Mazda MX-5 Miata
To start off, 2001 Mazda MX-5 Miata is newer by 10 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 1,835 cc (4 cylinders), 2001 Mazda MX-5 Miata is equipped with a bigger engine. In terms of performance, 2001 Mazda MX-5 Miata (155 HP @ 4000 RPM) has 80 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2001 Mazda MX-5 Miata should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2001 Mazda MX-5 Miata weights approximately 526 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2001 Mazda MX-5 Miata (171 Nm) has 19 more torque (in Nm) than 1991 Ford Sierra. (152 Nm). This means 2001 Mazda MX-5 Miata will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 2001 Mazda MX-5 Miata | |
| Make | Ford | Mazda |
| Model | Sierra | MX-5 Miata |
| Year Released | 1991 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 1835 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 155 HP |
| Engine RPM | 4500 RPM | 4000 RPM |
| Torque | 152 Nm | 171 Nm |
| Engine Bore Size | 82.5 mm | 83.1 mm |
| Engine Stroke Size | 82 mm | 85.1 mm |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1145 kg | 1671 kg |
| Vehicle Length | 4430 mm | 3960 mm |
| Vehicle Width | 1700 mm | 1680 mm |
| Vehicle Height | 1370 mm | 1230 mm |
| Wheelbase Size | 2620 mm | 2270 mm |
