The Puma AMV 4.1, produced between 1992 and 1995, represents a unique chapter in the history of Brazilian automotive engineering. While bearing the Puma name, the company was not related to the later Ford-owned Puma brand. This AMV model, a two-door coupe, was positioned as a sporty and relatively luxurious offering within the Brazilian market, catering to enthusiasts seeking a domestically produced alternative to imported sports cars. It was built upon a bespoke chassis and utilized a robust, albeit somewhat dated, inline-six engine. The AMV 4.1 was the most powerful variant of the AMV line, distinguishing itself from the smaller displacement models.
Technical Specifications
| Brand | Puma |
| Model | AMV |
| Generation | AMV |
| Type (Engine) | 4.1 (122 Hp) |
| Start of production | 1992 |
| End of production | 1995 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 2 |
| Doors | 2 |
| Fuel consumption (urban) | 15 l/100 km (15.7 US mpg, 18.8 UK mpg, 6.7 km/l) |
| Fuel consumption (extra urban) | 10 l/100 km (23.5 US mpg, 28.2 UK mpg, 10 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Maximum speed | 190 km/h (118.06 mph) |
| Weight-to-power ratio | 8 kg/Hp, 124.5 Hp/tonne |
| Weight-to-torque ratio | 3.5 kg/Nm, 289.8 Nm/tonne |
| Power | 122 Hp @ 3800 rpm |
| Power per litre | 29.8 Hp/l |
| Torque | 284 Nm @ 2000 rpm (209.47 lb.-ft. @ 2000 rpm) |
| Engine displacement | 4093 cm3 (249.77 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 98.4 mm (3.87 in.) |
| Piston Stroke | 89.6 mm (3.53 in.) |
| Compression ratio | 8:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Carburettor |
| Engine aspiration | Naturally aspirated |
| Kerb Weight | 980 kg (2160.53 lbs.) |
| Max. weight | 1260 kg (2777.82 lbs.) |
| Max load | 280 kg (617.29 lbs.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4290 mm (168.9 in.) |
| Width | 1840 mm (72.44 in.) |
| Height | 1285 mm (50.59 in.) |
| Wheelbase | 2420 mm (95.28 in.) |
| Front track | 1415 mm (55.71 in.) |
| Rear track | 1410 mm (55.51 in.) |
| Drivetrain Architecture | Rear wheel drive |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Disc |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Tires size | 225/60 R14 |
| Wheel rims size | 14 |
Powertrain & Engine Architecture
The heart of the AMV 4.1 is its 4.1-liter inline-six cylinder engine. This engine, while based on older designs, was known for its durability and substantial torque output. It featured a relatively low 8:1 compression ratio, a characteristic common in engines designed to run on the lower octane fuel readily available in Brazil at the time. The engine utilized a carburetor fuel system, a technology becoming increasingly obsolete in the early 1990s, but one that was cost-effective and relatively simple to maintain. The valvetrain employed two valves per cylinder, operated by a single overhead camshaft. The AMV 4.1 was exclusively offered with a five-speed manual transmission, designed to handle the engine’s torque and provide a reasonably engaging driving experience. The rear-wheel drive configuration further contributed to the car’s sporty character.
Driving Characteristics
The AMV 4.1 offered a distinct driving experience. The 122 horsepower and 284 Nm (209 lb-ft) of torque provided brisk acceleration, especially considering the car’s relatively light weight of around 980 kg (2160 lbs). The five-speed manual transmission allowed drivers to keep the engine in its optimal power band. While not a high-revving engine, the 4.1-liter inline-six delivered strong low-end and mid-range torque, making it well-suited for everyday driving and overtaking maneuvers. Compared to potential smaller-engined versions (which were never produced), the 4.1 offered a significantly more refined and powerful experience. The rear-wheel drive layout provided a balanced feel, although the suspension setup was relatively basic, resulting in a ride that was firm but not overly comfortable.
Equipment & Trim Levels
The AMV 4.1 was generally well-equipped for its time and market segment. Standard features included power steering, disc brakes on the front wheels, and an anti-lock braking system (ABS), a relatively uncommon feature on Brazilian-made cars in the early 1990s. The interior featured cloth upholstery, a basic instrument cluster, and a three-spoke steering wheel. Optional extras included air conditioning, a more sophisticated sound system, and upgraded interior trim materials. The AMV 4.1 was positioned as the top-of-the-line model, offering a more comprehensive equipment list than any potential base models.
Chassis & Braking
The AMV 4.1 utilized a body-on-frame construction, a design choice that prioritized robustness and ease of repair. The suspension consisted of coil springs and shock absorbers all around, with a solid rear axle. The front brakes were discs, providing adequate stopping power, while the rear brakes were drums, a cost-saving measure. The car’s relatively narrow tires (225/60 R14) provided reasonable grip, but were not optimized for high-performance driving. The chassis was designed to provide a balance between comfort and handling, leaning towards the firmer side.
Market Reception & Comparison
The Puma AMV 4.1 was generally well-received by Brazilian automotive journalists and enthusiasts. It was praised for its powerful engine, sporty handling, and relatively luxurious features. However, the carburetor fuel system and somewhat dated technology were points of criticism. Compared to imported sports cars, the AMV 4.1 offered a more affordable alternative, but lacked the prestige and refinement of European or Japanese models. Fuel economy was reasonable for a car of its size and engine displacement, averaging around 10-15 liters per 100 kilometers (18-23 mpg). Reliability was generally good, although maintenance could be more involved due to the carburetor and older engine design.
Legacy
The Puma AMV 4.1 remains a sought-after classic car in Brazil. Its rarity, distinctive styling, and powerful engine have made it a favorite among collectors and enthusiasts. The 4.1-liter inline-six engine is known for its durability, but requires regular maintenance to keep it running smoothly. Parts availability can be a challenge, but a dedicated community of owners and enthusiasts has helped to preserve these cars. Today, the AMV 4.1 represents a unique and important chapter in Brazilian automotive history, showcasing the country’s engineering capabilities and its passion for sporty, domestically produced vehicles. Well-maintained examples command a premium in the used car market, reflecting their growing desirability and historical significance.
