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Aston Martin DB 1 (1948 - 1950)
our thanks to www.astonmartins.com


As well as the Spa Replica, Aston Martin premiered the Two Litre Sports on their stand at the 1948 London Motor Show. It was also based on a chassis much like that of the Atom and was powered by Claude Hill's 2 litre 4 cylinder push rod engine. Partly due to the weight of the 2 seater open coachwork and the modest power output of 90 bhp, maximum speed was only 93 mph.

Sadly, only 14 examples were built, 13 with the open 2 seater coachwork, and a single example sold chassis only.

But one distinctive feature of the 2 Litre Sports can still be seen Aston Martins to the present day. It's possible to see a familiar shape in the three piece grille.

After the DB2 was first announced in 1950, the 2 litre Sports has become known retrospectively as the DB1

Wheelbase 2743 mm 108 in
Length 4470 mm 176 in
Width 1715 mm 67.5 in
Ground clearance    
Kerb weight 1016 kg 2240 lb
Type S-4
8 valves total
2 valves per cylinder
Bore stroke 82.55mm 92.00mm
3.25 in 3.62 in
Bore/Stroke ratio 0.9
Displacement 1970 cc
(120.217 cu in)
Unitary capacity 492.5 cc/cylinder
Compression ratio 7.25:1
Fuel system 2 SU carbs
Aspiration Normal
Max. output 91.3 PS (90.0 bhp) (67.1 kW)
@4750 rpm
Coolant Water
Specific output 45.7 bhp/litre
0.75 bhp/cu in
Power-to-weight 88.58 bhp/ton
Engine location Front
Engine alignment Longitudinal
Suspension Front I.CS.
Rear LA.CS.
Transmission 4M
Drive RWD
Top gear ratio 1.00
Final drive ratio 4.10