1991 Buick Riviera vs. 2007 Land Rover Range Rover
To start off, 2007 Land Rover Range Rover is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1991 Buick Riviera would be higher. At 4,197 cc (8 cylinders), 2007 Land Rover Range Rover is equipped with a bigger engine. In terms of performance, 2007 Land Rover Range Rover (392 HP @ 5750 RPM) has 222 more horse power than 1991 Buick Riviera. (170 HP @ 4800 RPM) In normal driving conditions, 2007 Land Rover Range Rover should accelerate faster than 1991 Buick Riviera. With that said, vehicle weight also plays an important factor in acceleration. 2007 Land Rover Range Rover weights approximately 1112 kg more than 1991 Buick Riviera. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Land Rover Range Rover is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Riviera. In wet, icy, snow, or gravel driving conditions, 2007 Land Rover Range Rover 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, 2007 Land Rover Range Rover (560 Nm @ 3500 RPM) has 275 more torque (in Nm) than 1991 Buick Riviera. (285 Nm @ 3200 RPM). This means 2007 Land Rover Range Rover will have an easier job in driving up hills or pulling heavy equipment than 1991 Buick Riviera.
Compare all specifications:
| 1991 Buick Riviera | 2007 Land Rover Range Rover | |
| Make | Buick | Land Rover |
| Model | Riviera | Range Rover |
| Year Released | 1991 | 2007 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 4197 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 170 HP | 392 HP |
| Engine RPM | 4800 RPM | 5750 RPM |
| Torque | 285 Nm | 560 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 96.5 mm | 86 mm |
| Engine Stroke Size | 86.4 mm | 90.3 mm |
| Engine Compression Ratio | 8.5:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1520 kg | 2632 kg |
| Vehicle Length | 5040 mm | 4980 mm |
| Vehicle Width | 1830 mm | 2200 mm |
| Vehicle Height | 1350 mm | 1940 mm |
| Wheelbase Size | 2760 mm | 2890 mm |
