A comprehensive comparison of key specifications between the 1961 Ac Aceca 26 and the 69 Triumph 25 Pi Mkii. To facilitate a clear understanding, we've organized the essential data into a concise table for your convenience.

To sum it up, we've put together a convenient table below, summarizing the key specifications of 1961 Ac Aceca 26 and 69 Triumph 25 Pi Mkii. Whether you're drawn to 1961 Ac Aceca 26's practicality or 69 Triumph 25 Pi Mkii's beauty, this comparison will help you make an informed decision:

Cars
	1961 AC Aceca 2.6	1969 Triumph 2.5 PI MkII
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General
Body Details
Body type	2 seater fixed-head coupé
Brakes
bmep (brake mean effective pressure)	886 kPa (128.5 psi)kPa
Brakes F/R	Di/Dr
Chassis & Geomtry
Front suspension	I.TL.
Length:Wheelbase Ratio	1.81
Rear suspension	I.TL.
Turns Lock-to-Lock	2.000
Dimensions
Fuel Tank Capacity	54.6litres
Ground clearance	178mm
Height	1321mm	1420mm
Kerb weight	1016kg
Length	4128mm	4620mm
Track/tread (front)	1270mm
Track/tread (rear)	1270mm
Wheelbase	2286mm
Width	1550mm	1650mm
Engine details
Aspiration	Normal
Bore × Stroke	82.55 × 79.5mm
Bore/stroke ratio	1.04
Capacity	2.6 litre (2553 cc)
Catalytic converter	N
Compression Ratio	7.8:1
Cylinders	Straight 6
Engine coolant	Water
Engine layout	longitudinal
Engine manufacturer	Ford
Engine position	front
Engine Type	naturally aspirated petrol
Gearbox	4
Specific output(Net)	39.2 bhp/litre0.64 bhp/cu in
Specific torque(Net)	70.51 Nm/litre, 0.85 ft·lb/cu3
Fuel Consump.
Fuel system	1 Ze carb
Performance
Drive wheels	rear wheel drive
maximum power output(Net)	101 PS (100 bhp) (75 kW)at 5500 rpm
maximum torque(Net)	180 Nm (133 ft·lb) (18.4 kgm)at 2000 rpm
Power-to-weight ratio	99.79 PS/tonne (1000 kg), 73.4 kW/tonne (1000 kg), 98.43 bhp/tonne (1000 kg), 0.04 bhp/lb
Weight-to-power ratio	13.62 kg/kW, 22.76 lb/bhpkg/kW
Prices
Saftey
Wheels & Tyres
Aerodynamics
Other
Number of doors	2
RAC rating	25.4
Unitary capacity	425.5cc
Valve gear	overhead valve (OHV), 2 valves per cylinder, 12 valves in total

In conclusion, the 1961 Ac Aceca 26 and 69 Triumph 25 Pi Mkii are two distinct cars and your choice ultimately boils down to your individual preferences and priorities. We hope this analysis aids you in your automotive journey, helping you find the perfect fit for your needs and desires.