The Renault Primaquatre was an automobile produced from 1931 to 1941 by Renault, the last car built before Louis Renault's death in 1944.
The Primaquatre was first exhibited on 29 December 1930 as the Type KZ6, being a development from to the KZ series. Its 4-cylinder engine was of 2120 cc providing a published maximum output of 35 horsepower (26 kW) at 2900 rpm. The claimed maximum speed was 100 km/h (62 mph). The rear wheels were driven via a 3-speed manual transmission without synchromesh.
- In 1932 arrived the new model Type KZ8 more width to difference of the Renault Monaquatre.
- In 1933 appeared the Type KZ10 larger from 3,700 mm (145.7 in) to 3,900 mm (153.5 in), with an engine powerest.
- In 1933 the KZ11 appeared, was a taxis G7 company, a special series of 2400 vehicles with new adaptations.
- In 1934 arrived the Type KZ18 larger than 4,000 mm (157.5 in).
- In 1935 arrived the Type KZ24 with 4,150 mm (163.4 in) of large and 1,600 mm (63.0 in) of width.
In January 1936 appeared the New Primaquatre (Type ACL1) with a new 2383 cc engine offering 48 PS (35 kW; 47 hp) at 3200 rpm.
In following years appeared the type ACL2, BDF1, BDF2 and BDS1, the production running good until 1939 when the war began. The last Primaquatre was the Primaquatre Sport (Type BDS2) with the engine 2.4 cc but with 56 PS (41 kW; 55 hp), type BDF2 receive the engine too of 62 PS (46 kW; 61 hp).
One technical enhancement came in 1940 when Lockheed hydraulic brakes replaced the cable brakes specified for the original design.
- Speed: 120 km/h (75 mph)
- Power: 35 hp (26 kW), 48 hp (36 kW), 56 hp (42 kW), 62 hp (46 kW)
- Brakes: with cables on drums AV and AR
- Battery: 6 V