2004 GMC Yukon vs. 1971 Riley 4
To start off, 2004 GMC Yukon is newer by 33 year(s). Which means there will be less support and parts availability for 1971 Riley 4. In addition, the cost of maintenance, including insurance, on 1971 Riley 4 would be higher. At 4,820 cc (8 cylinders), 2004 GMC Yukon is equipped with a bigger engine. In terms of performance, 2004 GMC Yukon (260 HP @ 5200 RPM) has 193 more horse power than 1971 Riley 4. (67 HP @ 5000 RPM). In normal driving conditions, 2004 GMC Yukon should accelerate faster than 1971 Riley 4. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Yukon weights approximately 1112 kg more than 1971 Riley 4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 GMC Yukon is four wheel drive (4WD), it will have significant more traction and grip than 1971 Riley 4. In wet, icy, snow, or gravel driving conditions, 2004 GMC Yukon 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, 2004 GMC Yukon (393 Nm @ 4000 RPM) has 272 more torque (in Nm) than 1971 Riley 4. (121 Nm @ 2500 RPM). This means 2004 GMC Yukon will have an easier job in driving up hills or pulling heavy equipment than 1971 Riley 4.
Compare all specifications:
| 2004 GMC Yukon | 1971 Riley 4 | |
| Make | GMC | Riley |
| Model | Yukon | 4 |
| Year Released | 2004 | 1971 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4820 cc | 1622 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 260 HP | 67 HP |
| Engine RPM | 5200 RPM | 5000 RPM |
| Torque | 393 Nm | 121 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Engine Bore Size | 96 mm | 76.3 mm |
| Engine Stroke Size | 83 mm | 88.9 mm |
| Engine Compression Ratio | 9.5:1 | 8.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2260 kg | 1148 kg |
| Vehicle Length | 5060 mm | 4540 mm |
| Vehicle Width | 2010 mm | 1620 mm |
| Vehicle Height | 1950 mm | 1510 mm |
| Wheelbase Size | 2950 mm | 2530 mm |
| Fuel Tank Capacity | 98 L | 45 L |
