The Brilliance M2 (JunJie) 1.8T, produced between 2006 and 2010, represented a significant step forward for the Brilliance Auto brand, a Chinese automotive manufacturer. Positioned as a mid-range sedan, the 1.8T variant aimed to offer a balance of performance and affordability within the burgeoning Chinese automotive market. The M2, built upon a dedicated platform, was intended to compete with established international brands offering similar sized sedans. This particular engine and transmission combination was a key offering in the M2 lineup, providing a more powerful alternative to the base engine options.
Technical Specifications
| Brand | Brilliance |
| Model | M2 |
| Generation | M2(JunJie) |
| Type (Engine) | 1.8 T (170 Hp) |
| Start of production | 2006 |
| End of production | 2010 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Sedan |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 14 l/100 km (16.8 US mpg, 20.2 UK mpg, 7.1 km/l) |
| Fuel consumption (extra urban) | 7.2 l/100 km (32.7 US mpg, 39.2 UK mpg, 13.9 km/l) |
| Fuel consumption (combined) | 9.7 l/100 km (24.2 US mpg, 29.1 UK mpg, 10.3 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 9 sec |
| Acceleration 0 – 62 mph | 9 sec |
| Acceleration 0 – 60 mph | 8.6 sec |
| Maximum speed | 210 km/h (130.49 mph) |
| Weight-to-power ratio | 8.6 kg/Hp, 116.8 Hp/tonne |
| Weight-to-torque ratio | 6.2 kg/Nm, 161.5 Nm/tonne |
| Power | 170 Hp @ 5500 rpm |
| Power per litre | 94.8 Hp/l |
| Torque | 235 Nm @ 2000 rpm (173.33 lb.-ft. @ 2000 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | BL |
| Engine displacement | 1793 cm3 (109.42 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Turbocharger, Intercooler |
| Kerb Weight | 1455 kg (3207.73 lbs) |
| Fuel tank capacity | 74 l (19.55 US gal | 16.28 UK gal) |
| Length | 4648 mm (182.99 in) |
| Width | 1800 mm (70.87 in) |
| Height | 1450 mm (57.09 in) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | 5 gears, manual transmission |
| Front suspension | Independent type McPherson |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Disc |
| Rear brakes | Disc |
| Tires size | 205/55 R16 |
| Wheel rims size | 16 |
Powertrain & Engine Architecture
The heart of the M2 1.8T is the BL series 1.8-liter inline-four cylinder engine. This engine utilizes a single overhead camshaft (SOHC) valvetrain with four valves per cylinder. A key feature is the addition of a turbocharger and intercooler, significantly boosting power output compared to naturally aspirated versions of the same engine. The fuel delivery system employs multi-port fuel injection, providing precise fuel metering for optimal combustion. The engine’s control unit (ECU) manages the fuel injection, ignition timing, and turbocharger boost pressure. The engine is transversely mounted in the front of the vehicle, driving the front wheels. The M2 1.8T was exclusively offered with a 5-speed manual transmission. This transmission was chosen for its simplicity and cost-effectiveness, aligning with the M2’s overall market positioning.
Driving Characteristics
The 170 horsepower and 173 lb-ft of torque provided by the 1.8T engine delivered a noticeable performance improvement over the base engine options. Acceleration from 0-60 mph was achieved in approximately 8.6 seconds, making it a reasonably quick vehicle for its class and price point. The turbocharger provides a noticeable boost in power during acceleration, although some turbo lag was present. The 5-speed manual transmission offered a direct connection to the engine, allowing drivers to fully utilize the available power. The gear ratios were well-suited for both city driving and highway cruising. Compared to potential future automatic versions, the manual transmission offered a more engaging driving experience and slightly better fuel economy.
Equipment & Trim Levels
The M2 1.8T typically came equipped with a reasonable level of standard features. These included air conditioning, power windows, power door locks, and a basic audio system. Interior upholstery was typically cloth, with optional leather upgrades available. The dashboard layout was functional and straightforward, prioritizing usability over luxury. Optional extras included alloy wheels, a sunroof, and upgraded audio systems. The trim level of the 1.8T generally sat in the middle of the M2 range, offering more features than the base models but falling short of the fully-equipped luxury trims.
Chassis & Braking
The M2 1.8T utilized an independent McPherson strut suspension in the front and an independent multi-link suspension in the rear. This suspension setup provided a comfortable ride quality while maintaining reasonable handling characteristics. The front and rear brakes were both disc brakes, providing adequate stopping power for the vehicle’s weight and performance. The vehicle was equipped with 16-inch alloy wheels and 205/55 R16 tires. The steering system was a rack-and-pinion setup, offering precise steering feel.
Market Reception & Comparison
The Brilliance M2 1.8T was generally well-received in the Chinese market. Critics praised its combination of performance, affordability, and features. However, some criticisms were leveled at the interior quality and the lack of brand recognition compared to established international competitors. In terms of fuel economy, the 1.8T offered a reasonable balance between performance and efficiency, achieving around 24.2 US mpg in combined driving conditions. Compared to other trims in the M2 lineup, the 1.8T offered a significant performance advantage but at a slightly higher price point. The base engine models were more affordable but lacked the power and responsiveness of the 1.8T.
Legacy
The Brilliance M2 1.8T, while not a global success, played an important role in establishing Brilliance Auto as a credible player in the Chinese automotive market. The BL series engine proved to be relatively reliable, although long-term maintenance can be challenging due to the limited availability of parts outside of China. Today, the M2 1.8T can be found on the used car market, often at very affordable prices. Its combination of decent performance and low cost makes it an attractive option for budget-conscious buyers. However, potential buyers should be aware of the potential maintenance challenges and the limited availability of spare parts.

