These are standard specifications for the 1931 Bentley 4.5 Litre, not necessarily specifications for the vehicle(s) in the photo(s).
Transmission:
3 Manual
Chassis # MR 3390
Engine # MR 3393
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Chassis # MS 3928
Engine # SM 3921
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Auction entries : 4
Chassis # SM3916
Engine # SM 3922
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Auction entries : 2
Chassis # MS 3944
Engine # MS 3941
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Auction entries : 1
Chassis # SM3917
Engine # MS3933
Chassis # MS3929
Engine # MS3932
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Auction entries : 1
Chassis # MS3932
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Chassis # MS 3942
Engine # MS 3950
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Auction entries : 1
Features
| Engine Location : | Front |
| Drive Type : | Rear Wheel |
| Body / Chassis : | Ladder frame |
| Production Years for Series : | 1926 - 1931 |
| Coach Work : | Thrupp and Maberly, Gurney Nutting, Vanden Plas |
| Introduced At : | 1929 Olympia Motor Show |
Engine & Transmission
| Supercharged Straight 4 | |
|---|---|
| Displacement : | 4500 cc | 274.6 cu in. | 4.5 L. |
| Power : | 182 BHP (133.952 KW) @ 4200 RPM |
| Bore : | 100.0 mm | 3.937 in. |
| Stroke : | 140.0 mm | 5.512 in. |
| Valvetrain : | 16 SOHC (4 valves per cylinder) |
| Construction : | Cast-iron block and head |
| 2 SU HVG5 carburetors | |
3 Manual
Dimension(s)
Sports Tourer by Thrupp and Maberly
Chassis # MR 3390
Engine # MR 3393
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Chassis # MS 3928
Engine # SM 3921
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Auction entries : 4
| Coachwork : | Thrupp and Maberly |
| Doors : | 4 |
| Exterior | |
|---|---|
| Length : | 181.0 in | 4597 mm. |
| Width : | 68.5 in | 1740 mm. |
| Wheelbase : | 130.0 in | 3302 mm. |
| Front Track : | 56.0 in | 1422 mm. |
| Rear Track : | 56.0 in | 1422 mm. |
Boattail by Gurney Nutting by Gurney Nutting
Chassis # SM3916
Engine # SM 3922
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Auction entries : 2
| Coachwork : | Gurney Nutting |
| Seating Capacity : | 3 |
| Doors : | 2 |
| Exterior | |
|---|---|
| Length : | 181.0 in | 4597 mm. |
| Width : | 68.5 in | 1740 mm. |
| Wheelbase : | 130.0 in | 3302 mm. |
| Front Track : | 56.0 in | 1422 mm. |
| Rear Track : | 56.0 in | 1422 mm. |
Le Mans Boattail by Vanden Plas
Chassis # MS 3944
Engine # MS 3941
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Auction entries : 1
| Coachwork : | Vanden Plas |
| Seating Capacity : | 2 |
| Doors : | 2 |
| Exterior | |
|---|---|
| Length : | 181.0 in | 4597 mm. |
| Width : | 68.5 in | 1740 mm. |
| Wheelbase : | 130.0 in | 3302 mm. |
| Front Track : | 56.0 in | 1422 mm. |
| Rear Track : | 56.0 in | 1422 mm. |
Tourer by Vanden Plas
Chassis # SM3917
Engine # MS3933
| Coachwork : | Vanden Plas |
| Doors : | 4 |
| Exterior | |
|---|---|
| Length : | 181.0 in | 4597 mm. |
| Width : | 68.5 in | 1740 mm. |
| Wheelbase : | 117.5 in | 2985 mm. |
| Front Track : | 56.0 in | 1422 mm. |
| Rear Track : | 56.0 in | 1422 mm. |
Two-Seater Sports by Vanden Plas
Chassis # MS3929
Engine # MS3932
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Auction entries : 1
| Coachwork : | Vanden Plas |
| Seating Capacity : | 2 |
| Doors : | 2 |
| Exterior | |
|---|---|
| Length : | 181.0 in | 4597 mm. |
| Width : | 68.5 in | 1740 mm. |
| Wheelbase : | 130.0 in | 3302 mm. |
| Front Track : | 56.0 in | 1422 mm. |
| Rear Track : | 56.0 in | 1422 mm. |
Four Seater Sports by Vanden Plas
Chassis # MS3932
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| Coachwork : | Vanden Plas |
| Seating Capacity : | 4 |
| Doors : | 2 |
| Exterior | |
|---|---|
| Length : | 181.0 in | 4597 mm. |
| Width : | 68.5 in | 1740 mm. |
| Wheelbase : | 130.0 in | 3302 mm. |
| Front Track : | 56.0 in | 1422 mm. |
| Rear Track : | 56.0 in | 1422 mm. |
Supercharged Birkin Le Mans Replica
Chassis # MS 3942
Engine # MS 3950
View info And history
Auction entries : 1
| Doors : | 2 |
| Exterior | |
|---|---|
| Length : | 181.0 in | 4597 mm. |
| Width : | 68.5 in | 1740 mm. |
| Wheelbase : | 130.0 in | 3302 mm. |
| Front Track : | 56.0 in | 1422 mm. |
| Rear Track : | 56.0 in | 1422 mm. |
Handling
| Suspension | |
|---|---|
| Semi-elliptic leaf springs | |
1931 Averages
| Avg. Car Cost : | $640 |
| Avg. Household Income : | $1,850 |
| Avg. Home : | $6,790 |
| Avg. Gallon of Gas : | $0.17 |
1931 Bentley 4.5 Litre FAQs (show)
Popular frequently asked questions include:
What are the dimension and mechanical specifications of the 1931 Bentley 4.5 Litre?
Q: What is the wheelbase size of the 1931 Bentley 4.5 Litre? A: The 1931 Bentley 4.5 Litre has wheelbase sizes of 117.50 and 130.00 inches.Q: What is the length of the 1931 Bentley 4.5 Litre? A: The 1931 Bentley 4.5 Litre has a length of 181.00 inches.Q: What is the width of the 1931 Bentley 4.5 Litre? A: The 1931 Bentley 4.5 Litre has a width of 68.50 inches.Q: What were the bodystyles of the 1931 Bentley 4.5 Litre? A: The 1931 Bentley 4.5 Litre was offered as a Boattail by Gurney Nutting, Four Seater Sports, Le Mans Boattail, Sports Tourer, Supercharged Birkin Le Mans Replica, Tourer, Two-Seater Sports.Q: What engine did the 1931 Bentley 4.5 Litre have? A: The engine powering the 1931 Bentley 4.5 Litre was a Supercharged Straight 4 (4500 cc | 274.6 cu in. | 4.5 L.) with 182 BHP (133.952 KW) @ 4200 RPM. Q: What transmission did the 1931 Bentley 4.5 Litre have? A: The 1931 Bentley 4.5 Litre had a 3 speed Manual gearbox.