1951 Alvis TB 21 vs. 1951 DKW F 89
To start off, both 1951 Alvis TB 21 and 1951 DKW F 89 were released in the same year (1951). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1951 Alvis TB 21 (91 HP @ 4000 RPM) has 67 more horse power than 1951 DKW F 89. (24 HP @ 4200 RPM). In normal driving conditions, 1951 Alvis TB 21 should accelerate faster than 1951 DKW F 89.
Compare all specifications:
| 1951 Alvis TB 21 | 1951 DKW F 89 | |
| Make | Alvis | DKW |
| Model | TB 21 | F 89 |
| Year Released | 1951 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 684 cc |
| Engine Cylinders | 6 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 24 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 4210 mm |
| Vehicle Width | 1680 mm | 1610 mm |
| Wheelbase Size | 2750 mm | 2360 mm |
