1991 Alfa Romeo SZ vs. 2006 Land Rover Discovery
To start off, 2006 Land Rover Discovery is newer by 15 year(s). Which means there will be less support and parts availability for 1991 Alfa Romeo SZ. In addition, the cost of maintenance, including insurance, on 1991 Alfa Romeo SZ would be higher. At 2,959 cc (6 cylinders), 1991 Alfa Romeo SZ is equipped with a bigger engine. In terms of performance, 1991 Alfa Romeo SZ (208 HP @ 6200 RPM) has 21 more horse power than 2006 Land Rover Discovery. (187 HP @ 4000 RPM). In normal driving conditions, 1991 Alfa Romeo SZ should accelerate faster than 2006 Land Rover Discovery. With that said, vehicle weight also plays an important factor in acceleration. 2006 Land Rover Discovery weights approximately 822 kg more than 1991 Alfa Romeo SZ.
Because 2006 Land Rover Discovery is four wheel drive (4WD), it will have significant more traction and grip than 1991 Alfa Romeo SZ. In wet, icy, snow, or gravel driving conditions, 2006 Land Rover Discovery 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, 2006 Land Rover Discovery (440 Nm @ 1900 RPM) has 195 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2006 Land Rover Discovery will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo SZ. 2006 Land Rover Discovery has automatic transmission and 1991 Alfa Romeo SZ has manual transmission. 1991 Alfa Romeo SZ will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Land Rover Discovery will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Alfa Romeo SZ | 2006 Land Rover Discovery | |
| Make | Alfa Romeo | Land Rover |
| Model | SZ | Discovery |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2720 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 187 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 245 Nm | 440 Nm |
| Torque RPM | 4500 RPM | 1900 RPM |
| Engine Bore Size | 93 mm | 81 mm |
| Engine Stroke Size | 72.6 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 233 km/hour | 180 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1260 kg | 2082 kg |
| Vehicle Length | 4670 mm | 4710 mm |
| Vehicle Height | 1320 mm | 1770 mm |
| Wheelbase Size | 2520 mm | 2550 mm |
| Fuel Tank Capacity | 50 L | 82 L |
