The Mitsubishi Toppo, specifically the BJ generation produced between 2000 and 2004, represents a unique offering within the Japanese Kei car class, adapted for broader markets. While not officially sold in the United States, the Toppo BJ was a popular choice in Japan and other Asian countries as an affordable and practical city car. This particular variant, the 0.7 i 12V 4WD, featured a small-displacement engine paired with all-wheel drive, making it suitable for navigating challenging urban environments and inclement weather. The Toppo BJ falls into the micro-minivan segment, prioritizing interior space and fuel efficiency over outright performance.
Mitsubishi Toppo (BJ) 0.7 i 12V 4WD: An Overview
The Toppo name has a long history within Mitsubishi’s lineup, dating back to the 1960s. The BJ generation, introduced in 2000, marked a significant redesign, focusing on maximizing interior space within the constraints of the Kei car regulations. These regulations, specific to Japan, limit vehicle dimensions and engine displacement to provide tax and insurance benefits to owners. The Toppo BJ aimed to provide a practical and economical transportation solution for families and individuals in densely populated areas. Its compact size and maneuverability made it ideal for navigating narrow streets and tight parking spaces.
Engine & Performance
The heart of the Mitsubishi Toppo BJ 0.7 i 12V 4WD is a 657cc (40.09 cubic inches) inline-three cylinder gasoline engine. This naturally aspirated engine produces 50 horsepower at 6500 rpm and 62 Nm (45.73 lb-ft) of torque at 4000 rpm. While these figures may seem modest by American standards, they are typical for vehicles in the Kei car class. The engine utilizes a multi-port fuel injection system and a compression ratio of 10.2:1 to optimize efficiency and power output. The power-to-weight ratio of 16.6 kg/Hp and a power per liter of 76.1 Hp/l demonstrate a focus on maximizing performance within the limitations of the engine size. Power is delivered to all four wheels via a five-speed manual transmission, providing reasonable traction and control in various driving conditions. The all-wheel-drive system enhances stability, particularly on slippery surfaces.
Design & Features
The Mitsubishi Toppo BJ is a five-door minivan with seating for four passengers. Its boxy shape is dictated by the need to maximize interior space within a small footprint. The design prioritizes practicality and functionality over aesthetics. The interior is designed to be spacious and comfortable, offering ample headroom and legroom for passengers. Features included as standard equipment typically consisted of basic amenities such as cloth upholstery, a simple dashboard layout, and limited storage compartments. Safety features for the era included an Anti-lock Braking System (ABS), which was becoming increasingly common on vehicles worldwide. The Toppo BJ’s compact dimensions and light weight contribute to its fuel efficiency, making it an economical choice for daily commuting. The vehicle’s relatively simple construction also meant lower maintenance costs.
Technical Specifications
| Brand | Mitsubishi |
| Model | Toppo |
| Generation | Toppo (BJ) |
| Type | 0.7 i 12V 4WD (50 Hp) |
| Start of production | 2000 year |
| End of production | 2004 year |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Minivan |
| Seats | 4 |
| Doors | 5 |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 16.6 kg/Hp |
| Weight-to-torque ratio | 13.4 kg/Nm |
| Power | 50 Hp @ 6500 rpm |
| Power per litre | 76.1 Hp/l |
| Torque | 62 Nm @ 4000 rpm / 45.73 lb.-ft. @ 4000 rpm |
| Engine layout | Front, Transverse |
| Engine displacement | 657 cm3 / 40.09 cu. in. |
| Number of cylinders | 3 |
| Engine configuration | Inline |
| Cylinder Bore | 65 mm / 2.56 in. |
| Piston Stroke | 66 mm / 2.6 in. |
| Compression ratio | 10.2:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Kerb Weight | 830 kg / 1829.84 lbs |
| Max. weight | 1050 kg / 2314.85 lbs |
| Max load | 220 kg / 485.02 lbs |
| Fuel tank capacity | 30 l / 7.93 US gal | 6.6 UK gal |
| Length | 3395 mm / 133.66 in. |
| Width | 1475 mm / 58.07 in. |
| Height | 1740 mm / 68.5 in. |
| Wheelbase | 2340 mm / 92.13 in. |
| Front track | 1300 mm / 51.18 in. |
| Rear (Back) track | 1295 mm / 50.98 in. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Drum |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 145/80 R13 |
The Mitsubishi Toppo BJ 0.7 i 12V 4WD, while not a vehicle commonly found in the United States, represents a significant example of Japanese automotive engineering focused on efficiency, practicality, and adaptability to urban environments. Its compact size, all-wheel-drive capability, and economical engine made it a popular choice for drivers in Japan and other Asian markets seeking a reliable and affordable mode of transportation.


