1991 Alfa Romeo SZ vs. 2011 Land Rover Defender
To start off, 2011 Land Rover Defender is newer by 20 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 88 more horse power than 2011 Land Rover Defender. (120 HP @ 3500 RPM). In normal driving conditions, 1991 Alfa Romeo SZ should accelerate faster than 2011 Land Rover Defender. With that said, vehicle weight also plays an important factor in acceleration. 2011 Land Rover Defender weights approximately 1448 kg more than 1991 Alfa Romeo SZ.
Because 2011 Land Rover Defender 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, 2011 Land Rover Defender 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, 2011 Land Rover Defender (360 Nm @ 2000 RPM) has 115 more torque (in Nm) than 1991 Alfa Romeo SZ. (245 Nm @ 4500 RPM). This means 2011 Land Rover Defender will have an easier job in driving up hills or pulling heavy equipment than 1991 Alfa Romeo SZ.
Compare all specifications:
| 1991 Alfa Romeo SZ | 2011 Land Rover Defender | |
| Make | Alfa Romeo | Land Rover |
| Model | SZ | Defender |
| Year Released | 1991 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 2402 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 208 HP | 120 HP |
| Engine RPM | 6200 RPM | 3500 RPM |
| Torque | 245 Nm | 360 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Bore Size | 93 mm | 90 mm |
| Engine Stroke Size | 72.6 mm | 94.6 mm |
| Engine Compression Ratio | 10.0:1 | 17.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1260 kg | 2708 kg |
| Vehicle Length | 4670 mm | 4380 mm |
| Vehicle Width | 1740 mm | 2000 mm |
| Vehicle Height | 1320 mm | 2030 mm |
| Wheelbase Size | 2520 mm | 2800 mm |
| Fuel Tank Capacity | 50 L | 75 L |
