2007 Audi A6 vs. 1971 Cadillac Calais
To start off, 2007 Audi A6 is newer by 36 year(s). Which means there will be less support and parts availability for 1971 Cadillac Calais. In addition, the cost of maintenance, including insurance, on 1971 Cadillac Calais would be higher. At 7,733 cc (8 cylinders), 1971 Cadillac Calais is equipped with a bigger engine. In terms of performance, 1971 Cadillac Calais (228 HP @ 4400 RPM) has 11 more horse power than 2007 Audi A6. (217 HP @ 6300 RPM) In normal driving conditions, 1971 Cadillac Calais should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 1971 Cadillac Calais weights approximately 485 kg more than 2007 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 2007 Audi A6 | 1971 Cadillac Calais | |
| Make | Audi | Cadillac |
| Model | A6 | Calais |
| Year Released | 2007 | 1971 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 7733 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 217 HP | 228 HP |
| Engine RPM | 6300 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1615 kg | 2100 kg |
| Vehicle Length | 4880 mm | 5750 mm |
| Wheelbase Size | 2660 mm | 3310 mm |
