The Nissan Avenir W11 GT4 2.0i 16V Automatic, produced between 1999 and 2005, represented a performance-oriented variant within the broader Avenir (W11) lineup. The Avenir, Nissan’s large-family station wagon, was primarily marketed in Japan and select export markets. The GT4 trim, distinguished by its turbocharged engine and automatic transmission, aimed to provide a blend of practicality and spirited driving. It occupied a position above the naturally aspirated models in the range, offering a more premium experience while remaining below the more luxurious and potentially higher-specification trims if offered in certain markets.
Technical Specifications
| Brand | Nissan |
| Model | Avenir |
| Generation | Avenir (W11) |
| Type | GT4 2.0i 16V (220 Hp) Automatic |
| Start of production | 1999 |
| End of production | 2005 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Station wagon (estate) |
| Seats | 5 |
| Doors | 5 |
| Fuel consumption (urban) | 15 l/100 km (15.7 US mpg, 18.8 UK mpg, 6.7 km/l) |
| Fuel consumption (extra urban) | 8.8 l/100 km (26.7 US mpg, 32.1 UK mpg, 11.4 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 6.7 kg/Hp, 148.6 Hp/tonne |
| Weight-to-torque ratio | 5.4 kg/Nm, 185.8 Nm/tonne |
| Power | 220 Hp @ 6000 rpm |
| Power per litre | 110.1 Hp/l |
| Torque | 275 Nm @ 4800 rpm (202.83 lb.-ft. @ 4800 rpm) |
| Engine layout | Front, Transverse |
| Engine Model/Code | SR20DET |
| Engine displacement | 1998 cm3 (121.93 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 |
| Valvetrain | DOHC |
| Engine oil capacity | 3.5 l (3.7 US qt | 3.08 UK qt) |
| Kerb Weight | 1480 kg (3262.84 lbs.) |
| Max. weight | 1880 kg (4144.69 lbs.) |
| Max load | 400 kg (881.85 lbs.) |
| Fuel tank capacity | 60 l (15.85 US gal | 13.2 UK gal) |
| Length | 4650 mm (183.07 in.) |
| Width | 1695 mm (66.73 in.) |
| Height | 1490 mm (58.66 in.) |
| Wheelbase | 2620 mm (103.15 in.) |
| Front track | 1475 mm (58.07 in.) |
| Rear track | 1475 mm (58.07 in.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 4 |
| Gearbox type | Automatic transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 205/60 R15 |
| Wheel rims size | 15 |
Powertrain & Engine Architecture
The heart of the Avenir GT4 was the SR20DET, a 2.0-liter, inline-four cylinder engine equipped with a turbocharger and multi-port fuel injection. This engine was a staple in Nissan’s performance lineup during the 1990s and early 2000s, known for its robust construction and tuning potential. The ‘DET’ designation signifies a turbocharged, dual overhead camshaft (DOHC) engine. The SR20DET featured a cast iron block and an aluminum cylinder head, contributing to its durability. The turbocharger provided a significant boost in power output compared to the naturally aspirated engines available in other Avenir models. The four-speed automatic transmission was chosen to provide ease of use, appealing to buyers who prioritized comfort over outright performance. While not known for being the sportiest automatic, it was generally considered reliable and well-matched to the engine’s torque characteristics.
Driving Characteristics
The GT4 Automatic offered a noticeable step up in performance compared to the base Avenir models. The 220 horsepower and 275 Nm (202.83 lb-ft) of torque provided brisk acceleration, although the automatic transmission did introduce some power loss and a less engaging driving experience than a manual gearbox. The four-speed automatic’s gear ratios were tuned for comfortable cruising, with a focus on smooth shifts rather than aggressive downshifts. In real-world driving, the GT4 felt capable on the highway and provided sufficient power for overtaking maneuvers. However, it lacked the sharp responsiveness of the manual transmission variants or the higher-output versions found in other Nissan models. The front-wheel-drive configuration, while providing good traction in most conditions, could exhibit some torque steer under hard acceleration.
Equipment & Trim Levels
The GT4 trim level typically included a number of standard features designed to enhance comfort and convenience. These often included power windows, power locks, air conditioning, and a basic audio system. Interior upholstery was typically cloth, although leather options may have been available depending on the market. The dashboard layout was functional and straightforward, with a focus on ease of use. Optional extras could include a sunroof, upgraded audio system, and alloy wheels. The GT4 often featured unique exterior trim elements, such as a rear spoiler and body-colored side skirts, to differentiate it from the lower-spec models.
Chassis & Braking
The Avenir W11 utilized a conventional front-engine, front-wheel-drive layout. Suspension consisted of coil springs all around, providing a comfortable ride quality. The front suspension incorporated a stabilizer bar to reduce body roll during cornering. Braking duties were handled by ventilated discs at the front and solid discs at the rear. The inclusion of ABS (Anti-lock Braking System) was standard on the GT4, enhancing safety and control during emergency braking situations. The chassis was designed to provide a balance between ride comfort and handling, prioritizing stability over sporty dynamics.
Market Reception & Comparison
The Nissan Avenir GT4 2.0i 16V Automatic was generally well-received as a practical and reasonably powerful station wagon. Critics praised its spacious interior, comfortable ride, and the added performance provided by the turbocharged engine. However, the automatic transmission was sometimes criticized for detracting from the driving experience. Compared to other trims in the Avenir lineup, the GT4 offered a significant performance advantage, but at a higher price point. Fuel economy was reasonable for a vehicle of its size and performance, but not exceptional. Reliability was generally good, although the turbocharger did require regular maintenance to ensure optimal performance.
Legacy
The Nissan Avenir W11, and particularly the GT4 variant, has developed a modest following among enthusiasts. The SR20DET engine remains a popular choice for modification and performance upgrades. While not as iconic as some of Nissan’s other performance cars, the Avenir GT4 represents a capable and practical option for those seeking a turbocharged station wagon. In the used car market, these vehicles are becoming increasingly rare, and well-maintained examples command a premium. The SR20DET’s reputation for durability and tunability contributes to its continued desirability, making the Avenir GT4 a potentially rewarding purchase for enthusiasts willing to invest in its upkeep.

