Lagonda 2½-Litre Mk I (1946) drophead coupé (convertible coupé) - technical specifications of 1946 Lagonda 2½-Litre Mk I

Lagonda 2½-Litre Mk I

(1946 model)

Brief specs of 1946 Lagonda 2½-Litre Mk I

2-door 5-seater drophead coupé (convertible coupé), petrol (gasoline) 6-cylinder 12-valve straight (inline) engine, DOHC (double overhead camshafts, twin cam), 2580 cm³ / 157.4 cu in / 157.4 cu in, 78.3 kW / 105.0 hp / 105.0 hp @ 5000 rpm / 5000 rpm / 5000 rpm, 180.0 N·m / 132.8 lb·ft / 132.8 lb·ft @ 3000 rpm / 3000 rpm / 3000 rpm, manual 4-speed transmission, rear wheel drive, 135 km/h / 84 mph / 84 mph top speed

Marque (make)	Lagonda	Issued from	1946
Model	2½-Litre Mk I	Issued until
Serie	2.5-Litre	Number made
Model family		Body construction
Model code		Body designation
Manufacturer	Lagonda	Country	UK

Marque (make)

Lagonda

Issued from

1946

Model

2½-Litre Mk I

Issued until

Serie

2.5-Litre

Number made

Model family

Body construction

Model code

Body designation

Manufacturer

Lagonda

Country

Base platform		Number of doors	2
Bodywork type	drophead coupé (convertible coupé)	Number of seats	5
Bodywork designer		Cargo capacity (volume)
Passenger space (volume)		Max. cargo capacity (volume)

Base platform

Number of doors

Bodywork type

drophead coupé (convertible coupé)

Number of seats

Bodywork designer

Cargo capacity (volume)

Passenger space (volume)

Max. cargo capacity (volume)

Length	4775 mm / 188.0 in / 188.0 in	Total (curb) weight	1471 kg / 3243 lb / 3243 lb
Width	1727 mm / 68.0 in / 68.0 in	Dry weight
Height	1626 mm / 64.0 in / 64.0 in	Load capacity
Wheelbase	2883 mm / 113.5 in / 113.5 in	Gross (max.) weight
Track front	1432 mm / 56.4 in / 56.4 in	Towing weight
Track rear	1442 mm / 56.8 in / 56.8 in	Weight distribution (front)	48.5 % / 48.5 % / 48.5 %
Ground clearance	178 mm / 7.0 in / 7.0 in	Fuel capacity	86 l / 19.0 UK gal / 22.8 US gal
Length/wheelbase ratio	1.66

Length

4775 mm / 188.0 in / 188.0 in

Total (curb) weight

1471 kg / 3243 lb / 3243 lb

Width

1727 mm / 68.0 in / 68.0 in

Dry weight

Height

1626 mm / 64.0 in / 64.0 in

Load capacity

Wheelbase

2883 mm / 113.5 in / 113.5 in

Gross (max.) weight

Track front

1432 mm / 56.4 in / 56.4 in

Towing weight

Track rear

1442 mm / 56.8 in / 56.8 in

Weight distribution (front)

48.5 % / 48.5 % / 48.5 %

Ground clearance

178 mm / 7.0 in / 7.0 in

Fuel capacity

86 l / 19.0 UK gal / 22.8 US gal

Length/wheelbase ratio

1.66

Drag coefficient (Cd, Cx, Cw)		Frontal area (A)	2.39 m² / 25.7 sq ft / 25.7 sq ft (est.)
Aerodynamic coefficient (Cd×A)		Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Drag coefficient (Cd, Cx, Cw)

Frontal area (A)

2.39 m² / 25.7 sq ft / 25.7 sq ft (est.)

Aerodynamic coefficient (Cd×A)

Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine Code		Total number of cylinders	6
Engine Type	straight (inline)	Total number of valves	12
Engine Manufacturer	Aston Martin	Valves per cylinder	2
Engine construction		Bore	78.0 mm / 3.07 in / 3.07 in
Fuel	petrol (gasoline)	Stroke	90.0 mm / 3.54 in / 3.54 in
Fuel details		Bore/Stroke ratio	0.87
Fuel supply	2 SU carbs	Engine displacement	2580 cm³ / 157.4 cu in / 157.4 cu in
Engine Main bearings		Unitary capacity	430.00 cm³/cylinder / 26.240 cu in/cylinder / 26.240 cu in/cylinder
Cam Design	DOHC (double overhead camshafts, twin cam)	Compression ratio	6.5 : 1
Sump		Max. output power	78.3 kW / 105.0 hp / 105.0 hp at 5000 rpm / 5000 rpm / 5000 rpm
Aspiration	natural	Max. torque	180.0 N·m / 132.8 lb·ft / 132.8 lb·ft at 3000 rpm / 3000 rpm / 3000 rpm
Compressor type	N/A	Maximum rpm
Intercooler	no	Max. net output (power at the wheels)	24.7 kW / 33.1 hp / 33.1 hp (est.)
Coolant	water	Specific output	30.4 kW/l / 0.667 bhp/cu in / 0.667 bhp/cu in
Catalytic converter	no	Specific torque	69.8 N·m/l / 0.61 lb·ft/cu in / 0.61 lb·ft/cu in

Engine Code

Total number of cylinders

Engine Type

straight (inline)

Total number of valves

Engine Manufacturer

Aston Martin

Valves per cylinder

Engine construction

Bore

78.0 mm / 3.07 in / 3.07 in

Fuel

petrol (gasoline)

Stroke

90.0 mm / 3.54 in / 3.54 in

Fuel details

Bore/Stroke ratio

0.87

Fuel supply

2 SU carbs

Engine displacement

2580 cm³ / 157.4 cu in / 157.4 cu in

Engine Main bearings

Unitary capacity

430.00 cm³/cylinder / 26.240 cu in/cylinder / 26.240 cu in/cylinder

Cam Design

DOHC (double overhead camshafts, twin cam)

Compression ratio

6.5 : 1

Sump

Max. output power

78.3 kW / 105.0 hp / 105.0 hp at 5000 rpm / 5000 rpm / 5000 rpm

Aspiration

natural

Max. torque

180.0 N·m / 132.8 lb·ft / 132.8 lb·ft at 3000 rpm / 3000 rpm / 3000 rpm

Compressor type

N/A

Maximum rpm

Intercooler

Max. net output (power at the wheels)

24.7 kW / 33.1 hp / 33.1 hp (est.)

Coolant

water

Specific output

30.4 kW/l / 0.667 bhp/cu in / 0.667 bhp/cu in

Catalytic converter

Specific torque

69.8 N·m/l / 0.61 lb·ft/cu in / 0.61 lb·ft/cu in

Transmission type	manual	Number of gears	4
Wheel drive	rear wheel drive	Top gear (drive) ratio	1
		Final gear (drive) ratio	4.6

Transmission type

manual

Number of gears

Wheel drive

rear wheel drive

Top gear (drive) ratio

Final gear (drive) ratio

4.6

Acceleration 0-50 mph (80 km/h)	12.70 s / 12.70 s / 12.70 s	Top (maximal) speed	135 km/h / 84 mph / 84 mph
Acceleration 0-60 mph (97 km/h)	18.80 s / 18.80 s / 18.80 s	Power-to-weight ratio	71.4 kW/ton / 54.1 bhp/ton / 54.1 bhp/ton
Acceleration 0-100 km/h		Fuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)		Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in top		Fuel consumption, Mixed (combined)
Standing ¼mile time		Fuel consumption, Euro
Standing kilometer time		CO₂ emissions
		Range

Acceleration 0-50 mph (80 km/h)

12.70 s / 12.70 s / 12.70 s

Top (maximal) speed

135 km/h / 84 mph / 84 mph

Acceleration 0-60 mph (97 km/h)

18.80 s / 18.80 s / 18.80 s

Power-to-weight ratio

71.4 kW/ton / 54.1 bhp/ton / 54.1 bhp/ton

Acceleration 0-100 km/h

Fuel consumption, City (urban)

Acceleration 0-100 mph (160 km/h)

Fuel consumption, Road (extra-urban)

Acceleration 80-120 km/h (50-70 mph) in top

Fuel consumption, Mixed (combined)

Standing ¼mile time

Fuel consumption, Euro

Standing kilometer time

CO₂ emissions

Range

Engine location	front	Engine alignment	longitudinal
Steering		Steering details
Turns lock-to-lock		Turning circle	11.6 m / 38.1 ft / 38.1 ft
Suspension front	Independent, Coil springs	Suspension rear	de Dion axle, Torsion bar
Wheels front		Wheels rear
Tyres front		Tyres rear
Brakes front	drum	Brakes rear	drum
Brake diameter front		Brake diameter rear
Brakes details		Braked area

Engine location

front

Engine alignment

longitudinal

Steering

Steering details

Turns lock-to-lock

Turning circle

11.6 m / 38.1 ft / 38.1 ft

Suspension front

Independent, Coil springs

Suspension rear

de Dion axle, Torsion bar

Wheels front

Wheels rear

Tyres front

Tyres rear

Brakes front

drum

Brakes rear

drum

Brake diameter front

Brake diameter rear

Brakes details

Braked area

Auto Insurance Discounts

There are several discount programmes offered by many insurance companies, which we summarized below. Availability of each discount, discount rates and age requirements may vary by insurance company and by state, indeed. Also be aware that certain types vehicles may not qualify, you should always check with your insurance provider.

Anti-Theft Discount

Vehicles equipped with an alarm or anti-theft device may save you money on your Comprehensive Coverage.

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