This is the last Cadillac with a V-16 engine. It looks very much like the 1939 V-16 but had a new instrument panel, taillights, and bumpers. New for 1940 was the introduction of sealed beam headlights and directional signal lights.
| Fleetwood Series 40-90, 141 in. wheelbase | |||||
|---|---|---|---|---|---|
| Style Number | Style | Seating | Price | Weight | Production |
| 40-9019 | Sedan | 5 pass | $5190 | 2336 kg | 4 |
| 40-9023 | Sedan | 7 pass | $5215 | 2395 kg | 4 |
| 40-9029 | Convertible Sedan T/B | 5 pass | $5265 | 2727 kg | 2 |
| 40-9033 | Imperial Sedan | 7 pass | $5260 | 2464 kg | 20 |
| 40-9033F | Formal Sedan T/B | 7 pass | $5260 | 2752 kg | 20 |
| 40-9039 | Town Sedan T/B | 5 pass | $5220 | 2589 kg | 1 |
| 40-9053 | Town Car | 5 pass | $5330 | 3261 kg | 2 |
| 40-9057 | Coupe | 5 pass | $4830 | 2427 kg | 2 |
| 40-9057B | Coupe | 5 pass | $4930 | 2473 kg | 1 |
| 40-9059 | Formal Sedan | 7 pass | $5190 | 2752 kg | 2 |
| 40-9067 | Convertible Coupe | 7 pass | $4970 | 2473 kg | 2 |
| 40-90 | Chassis | 1 | |||
| Engine type | 135 degree, L-Head, 16-cylinders |
| Engine block | Cast iron block |
| Bore & Stroke | 82.6mm x 82.6mm |
| Displacement | 7.069 Liters |
| Compression ratio | 6.75:1 |
| Brake horsepower | 185 hp @ 3600 RPM |
| Power | 138 kW @ 3600 RPM |
| SAE/Taxable horsepower | 67.6 |
| Main bearings | nine |
| Valve lifters | hydraulic |
| Carburetor | Carter WDO-407s(Left); 408s(Right) |
| Model | Wheelbase | Overall length | Front Tread | Rear Tread | Tires |
|---|---|---|---|---|---|
| 3589mm | 6495mm | 1537mm | 1588mm | 7.50 x 16 |
| Transmission | Selective synchro manual transmission |
| Speeds | 3 forward, 1 reverse |
| Drive position | Left hand drive (Right hand drive optional) |
| Gearshift location | On column |
| Handbrake location | On left |
| Clutch | Single disc |
| Drive | Shaft drive |
| Rear axle | Hotchkiss, semifloating rear axle, hypoid gears |
| Overall ratio | 4.31 : 1 |
| Brakes | Hydraulic brakes on four wheels |
| Wheels | Disc wheels |
| Wheel size | 16 in |
1939