The Land Rover Defender 110 2.5 TD5, produced between 1999 and 2001, represents a pivotal moment in the iconic Defender lineage. This variant, powered by the 2.5-liter five-cylinder turbodiesel engine (designated TD5), was a key component of the final years of the original series Defender, bridging the gap between the older 300Tdi models and the eventual introduction of the all-new Defender in 2016. The 110 designation refers to the vehicle’s wheelbase length of 110 inches, making it the most popular body style in the Defender range, offering a balance between off-road capability and practicality. It served primarily as a workhorse vehicle in Europe, Australia, and other global markets, prized for its ruggedness and dependability.
Technical Specifications
| Brand | Land Rover |
| Model | Defender |
| Generation | Defender 110 |
| Type (Engine) | 2.5 TD5 (122 Hp) |
| Start of production | 1999 |
| End of production | 2001 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Off-road vehicle |
| Seats | 5 |
| Doors | 4 |
| Fuel consumption (urban) | 12.6 l/100 km (18.7 US mpg, 22.4 UK mpg, 7.9 km/l) |
| Fuel consumption (extra urban) | 10.8 l/100 km (21.8 US mpg, 26.2 UK mpg, 9.3 km/l) |
| Fuel consumption (combined) | 11.1 l/100 km (21.2 US mpg, 25.4 UK mpg, 9 km/l) |
| Fuel Type | Diesel |
| Acceleration 0 – 100 km/h | 18.8 sec |
| Acceleration 0 – 62 mph | 18.8 sec |
| Acceleration 0 – 60 mph | 17.9 sec |
| Maximum speed | 130 km/h (80.78 mph) |
| Weight-to-power ratio | 16.8 kg/Hp, 59.4 Hp/tonne |
| Weight-to-torque ratio | 6.9 kg/Nm, 146 Nm/tonne |
| Power | 122 Hp @ 4200 rpm |
| Power per litre | 48.9 Hp/l |
| Torque | 300 Nm @ 1950 rpm (221.27 lb.-ft. @ 1950 rpm) |
| Engine layout | Front, Longitudinal |
| Engine displacement | 2495 cm3 (152.25 cu. in.) |
| Number of cylinders | 5 |
| Engine configuration | Inline |
| Cylinder Bore | 84.5 mm (3.33 in.) |
| Piston Stroke | 89 mm (3.5 in.) |
| Compression ratio | 19.5:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Pump-nozzle (Unit Injector) |
| Engine aspiration | Turbocharger |
| Valvetrain | OHC |
| Engine oil capacity | 8.2 l (8.66 US qt | 7.21 UK qt) |
| Coolant capacity | 13 l (13.74 US qt | 11.44 UK qt) |
| Kerb Weight | 2055 kg (4530.5 lbs.) |
| Max. weight | 2950 kg (6503.64 lbs.) |
| Max load | 895 kg (1973.14 lbs.) |
| Trunk (boot) space – maximum | 2300 l (81.22 cu. ft.) |
| Fuel tank capacity | 93 l (24.57 US gal | 20.46 UK gal) |
| Length | 4599 mm (181.06 in.) |
| Width | 1790 mm (70.47 in.) |
| Height | 2059 mm (81.06 in.) |
| Wheelbase | 2794 mm (110 in.) |
| Front track | 1486 mm (58.5 in.) |
| Rear track | 1486 mm (58.5 in.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears | 5 |
| Gearbox type | Manual transmission |
| Front suspension | Coil spring |
| Rear suspension | Coil spring |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system), Hydraulic Steering |
| Tires size | 205/80 R16 |
| Wheel rims size | 5.5Fx16 ET33 5×165.1 |
Powertrain & Engine Architecture
The heart of the Defender 110 2.5 TD5 is the 2.5-liter, five-cylinder diesel engine, internally designated as the 200Tdi or 300Tdi depending on the specific iteration. This engine represented a significant departure from the older, indirect injection diesel engines previously used in the Defender. The TD5 engine utilizes a direct injection pump-nozzle system (Unit Injector), developed by Bosch, which delivers fuel directly into the combustion chamber at extremely high pressure. This system, combined with a Garrett turbocharger, resulted in improved power, torque, and fuel efficiency compared to its predecessors. The engine produces 122 horsepower at 4200 rpm and 300 Nm (221 lb-ft) of torque at 1950 rpm. The engine features a single overhead camshaft (OHC) operating two valves per cylinder. The five-speed manual transmission was the standard offering, providing a robust and reliable means of transferring power to all four wheels.
Driving Characteristics
The 2.5 TD5-powered Defender 110, with its manual transmission, offered a unique driving experience. While not known for blistering acceleration (0-60 mph in approximately 17.9 seconds), the engine’s strong low-end torque made it exceptionally capable off-road and provided ample pulling power for towing. The gear ratios were well-suited to off-road driving, allowing for precise control and maximizing traction. Compared to the later 300Tdi engine, the TD5 offered a smoother and quieter operation, though it still retained the characteristic diesel clatter. Compared to potential higher-output versions, this 122hp variant prioritized fuel economy and durability over outright performance, making it a practical choice for everyday use and demanding work applications.
Equipment & Trim Levels
The Defender 110 2.5 TD5 was typically offered with a relatively spartan level of equipment, reflecting its utilitarian purpose. Standard features included basic instrumentation, vinyl or cloth upholstery, and a functional dashboard layout. Power steering and anti-lock brakes (ABS) were often included, but air conditioning, electric windows, and other comfort features were typically optional extras. Trim levels were minimal, with most variations stemming from optional equipment packages. The focus was on providing a durable and reliable vehicle capable of withstanding harsh conditions, rather than luxurious appointments.
Chassis & Braking
The Defender 110’s chassis remained largely unchanged from earlier iterations, utilizing a robust ladder frame construction. Suspension consisted of coil springs all around, providing a comfortable ride on and off-road. Front brakes were ventilated discs, while rear brakes were typically discs, offering adequate stopping power for the vehicle’s weight. The Defender’s high ground clearance and short overhangs contributed to its exceptional off-road capability. Stabilizer bars were often fitted to improve on-road handling, but were sometimes removed by owners seeking maximum articulation for off-road use.
Market Reception & Comparison
The 2.5 TD5 Defender 110 was generally well-received by critics and enthusiasts alike. It was praised for its ruggedness, reliability, and off-road prowess. Fuel economy was considered reasonable for a vehicle of its size and capability, averaging around 21.2 US mpg in combined driving. Compared to the older 300Tdi models, the TD5 offered improved refinement and performance. However, some critics noted that the TD5 engine was more complex than its predecessor, potentially leading to higher maintenance costs. Compared to potential automatic transmission variants (though less common), the manual transmission was favored by enthusiasts for its greater control and driver engagement.
Legacy
The Land Rover Defender 110 2.5 TD5 holds a significant place in automotive history as one of the last iterations of the original series Defender. The TD5 engine proved to be a durable and reliable powerplant, and many examples remain in service today. In the used car market, these Defenders are highly sought after by enthusiasts and collectors, commanding premium prices. The combination of ruggedness, simplicity, and off-road capability has cemented the Defender 110 2.5 TD5’s reputation as an iconic and enduring vehicle.


