1998 BMW 318 vs. 1991 Ford Sierra
To start off, 1998 BMW 318 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 1,796 cc (4 cylinders), 1998 BMW 318 is equipped with a bigger engine. In terms of performance, 1998 BMW 318 (115 HP @ 5500 RPM) has 40 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 1998 BMW 318 should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW 318 weights approximately 165 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 BMW 318 (180 Nm @ 3750 RPM) has 28 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1998 BMW 318 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1998 BMW 318 | 1991 Ford Sierra | |
| Make | BMW | Ford |
| Model | 318 | Sierra |
| Year Released | 1998 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1751 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 75 HP |
| Engine RPM | 5500 RPM | 4500 RPM |
| Torque | 180 Nm | 152 Nm |
| Torque RPM | 3750 RPM | 2200 RPM |
| Engine Bore Size | 84 mm | 82.5 mm |
| Engine Stroke Size | 81 mm | 82 mm |
| Engine Compression Ratio | 10.5:1 | 21.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1310 kg | 1145 kg |
| Vehicle Length | 4480 mm | 4430 mm |
| Vehicle Width | 1750 mm | 1700 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2730 mm | 2620 mm |
| Fuel Tank Capacity | 52 L | 60 L |
