1968 Buick Riviera vs. 1970 TVR Vixen
To start off, 1970 TVR Vixen is newer by 2 year(s). Which means there will be less support and parts availability for 1968 Buick Riviera. In addition, the cost of maintenance, including insurance, on 1968 Buick Riviera would be higher. At 7,050 cc (8 cylinders), 1968 Buick Riviera is equipped with a bigger engine. In terms of performance, 1968 Buick Riviera (305 HP @ 5000 RPM) has 222 more horse power than 1970 TVR Vixen. (83 HP @ 5500 RPM). In normal driving conditions, 1968 Buick Riviera should accelerate faster than 1970 TVR Vixen. With that said, vehicle weight also plays an important factor in acceleration. 1968 Buick Riviera weights approximately 1113 kg more than 1970 TVR Vixen. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1968 Buick Riviera (645 Nm @ 3200 RPM) has 520 more torque (in Nm) than 1970 TVR Vixen. (125 Nm @ 4000 RPM). This means 1968 Buick Riviera will have an easier job in driving up hills or pulling heavy equipment than 1970 TVR Vixen.
Compare all specifications:
| 1968 Buick Riviera | 1970 TVR Vixen | |
| Make | Buick | TVR |
| Model | Riviera | Vixen |
| Year Released | 1968 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 7050 cc | 1599 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 305 HP | 83 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 645 Nm | 125 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 106.2 mm | 81.1 mm |
| Engine Stroke Size | 99.4 mm | 77.6 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1900 kg | 787 kg |
| Vehicle Length | 5370 mm | 3690 mm |
| Vehicle Width | 2020 mm | 1630 mm |
| Vehicle Height | 1370 mm | 1230 mm |
| Wheelbase Size | 3030 mm | 2290 mm |
| Fuel Tank Capacity | 75 L | 58 L |
