1998 Chevrolet Corvette vs. 1991 Ford Sierra
To start off, 1998 Chevrolet Corvette is newer by 7 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 5,737 cc (8 cylinders), 1998 Chevrolet Corvette is equipped with a bigger engine. In terms of performance, 1998 Chevrolet Corvette (277 HP @ 5200 RPM) has 202 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 1998 Chevrolet Corvette should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1998 Chevrolet Corvette weights approximately 427 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, 1998 Chevrolet Corvette (437 Nm @ 2400 RPM) has 285 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1998 Chevrolet Corvette will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1998 Chevrolet Corvette | 1991 Ford Sierra | |
| Make | Chevrolet | Ford |
| Model | Corvette | Sierra |
| Year Released | 1998 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 5737 cc | 1751 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 277 HP | 75 HP |
| Engine RPM | 5200 RPM | 4500 RPM |
| Torque | 437 Nm | 152 Nm |
| Torque RPM | 2400 RPM | 2200 RPM |
| Engine Bore Size | 99.1 mm | 82.5 mm |
| Engine Stroke Size | 91.9 mm | 82 mm |
| Engine Compression Ratio | 10.1:1 | 21.5:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1572 kg | 1145 kg |
| Vehicle Length | 4570 mm | 4430 mm |
| Vehicle Width | 1880 mm | 1700 mm |
| Vehicle Height | 1220 mm | 1370 mm |
| Wheelbase Size | 2860 mm | 2620 mm |
| Fuel Tank Capacity | 117 L | 60 L |
