The KTM X-Bow GT-XR 2.5 TFSI, introduced in January 2023, represents a significant evolution of KTM’s extreme sports car lineage. Building upon the foundation of the original X-Bow, the GT-XR adds a fully enclosed coupe body, enhanced refinement, and a potent 2.5-liter turbocharged inline-five engine producing 500 horsepower. This model aims to broaden the X-Bow’s appeal beyond track-focused enthusiasts, offering a more usable and comfortable high-performance experience while retaining the brand’s commitment to lightweight construction and dynamic handling. It slots in as the top-tier performance variant within the X-Bow GT-XR range, exceeding the capabilities of earlier open-top models.
Technical Specifications
| Brand | KTM |
| Model | X-Bow |
| Generation | X-Bow GT-XR |
| Type (Engine) | 2.5 TFSI (500 Hp) DSG |
| Start of production | January, 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 2 |
| Doors | 1 |
| Combined fuel consumption (WLTP) | 9.1 l/100 km |
| Combined fuel consumption (US mpg) | 25.8 US mpg |
| Combined fuel consumption (UK mpg) | 31 UK mpg |
| Combined fuel consumption (km/l) | 11 km/l |
| CO2 emissions (WLTP) | 214 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 3.4 sec |
| Acceleration 0 – 62 mph | 3.4 sec |
| Acceleration 0 – 60 mph | 3.2 sec |
| Maximum speed | 280 km/h (173.98 mph) |
| Emission standard | Euro 6d |
| Weight-to-power ratio | 2.3 kg/Hp, 442.5 Hp/tonne |
| Weight-to-torque ratio | 1.9 kg/Nm, 514.2 Nm/tonne |
| Power | 500 Hp @ 6350 rpm |
| Power per litre | 201.6 Hp/l |
| Torque | 581 Nm @ 5550 rpm (428.52 lb.-ft. @ 5550 rpm) |
| Maximum engine speed | 7000 rpm |
| Engine layout | Rear, Transverse |
| Engine displacement | 2480 cm3 (151.34 cu. in.) |
| Number of cylinders | 5 |
| Engine configuration | Inline |
| Cylinder Bore | 82.5 mm (3.25 in.) |
| Piston Stroke | 92.8 mm (3.65 in.) |
| Compression ratio | 10:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection and Multi-port manifold injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 5.8 l (6.13 US qt | 5.1 UK qt) |
| Coolant capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Kerb Weight | 1130 kg (2491.22 lbs.) |
| Max. weight | 1600 kg (3527.4 lbs.) |
| Max load | 470 kg (1036.17 lbs.) |
| Trunk (boot) space – minimum | 160 l (5.65 cu. ft.) |
| Fuel tank capacity | 96 l (25.36 US gal | 21.12 UK gal) |
| Length | 4626 mm (182.13 in.) |
| Width | 2041 mm (80.35 in.) |
| Height | 1164 mm (45.83 in.) |
| Wheelbase | 2850 mm (112.2 in.) |
| Ride height (ground clearance) | 90 mm (3.54 in.) |
| Minimum turning circle | 13 m (42.65 ft.) |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 7 gears, automatic transmission DSG |
| Front suspension | Double wishbone, Independent coil spring |
| Rear suspension | Double wishbone, Independent coil spring |
| Front brakes | Ventilated discs, 365×34 mm |
| Rear brakes | Ventilated discs, 356×32 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Front wheel tires | 235/35 R19; 235/30 R20 |
| Rear wheel tires | 295/35 R20; 295/30 R21 |
| Front wheel rims | 9J x 19; 9J x 20 |
| Rear wheel rims | 11J x 20; 11J x 21 |
Powertrain & Engine Architecture
At the heart of the X-Bow GT-XR 2.5 TFSI lies Audi’s well-regarded 2.5-liter inline-five cylinder engine, a unit known for its responsiveness and distinctive sound. This engine, designated as part of the EA855 family, utilizes a combination of direct and multi-port fuel injection to optimize combustion efficiency and power delivery. A single twin-scroll turbocharger, coupled with an intercooler, provides forced induction, boosting output to 500 horsepower and 581 Nm (428.52 lb-ft) of torque. The engine features a double overhead camshaft (DOHC) valvetrain with four valves per cylinder, ensuring optimal gas flow. The engine is mounted transversely at the rear of the vehicle, contributing to a favorable weight distribution. Power is transmitted to the rear wheels via a seven-speed dual-clutch transmission (DSG), offering rapid and precise gear changes.
Driving Characteristics
The combination of the potent 2.5 TFSI engine and the quick-shifting DSG transmission results in exhilarating performance. The GT-XR achieves a 0-60 mph time of just 3.2 seconds and a top speed of 280 km/h (173.98 mph). The DSG transmission is tuned for sporty driving, with quick upshifts and downshifts. While the DSG offers convenience, some purists may prefer the greater driver engagement of a manual transmission, which is not available on this variant. The rear-wheel-drive layout and relatively lightweight construction (1130 kg / 2491.22 lbs) contribute to agile handling and a direct steering feel.
Equipment & Trim Levels
The X-Bow GT-XR 2.5 TFSI is positioned as the premium variant in the GT-XR lineup. Standard equipment includes a fully enclosed carbon fiber monocoque body, providing exceptional rigidity and lightweight construction. The interior features carbon fiber trim, leather upholstery, and a digital instrument cluster. Air conditioning, a premium audio system, and power windows are also standard. Optional extras include a range of customization options, allowing buyers to personalize their vehicle with different interior colors, exterior finishes, and performance upgrades.
Chassis & Braking
The X-Bow GT-XR utilizes a lightweight carbon fiber monocoque chassis, providing a rigid and safe platform. Suspension is handled by independent double wishbone setups at both the front and rear, with coil springs and dampers tuned for performance. The braking system consists of ventilated discs at all four corners, measuring 365×34 mm at the front and 356×32 mm at the rear, providing ample stopping power. An anti-lock braking system (ABS) is standard. The steering system is a rack and pinion type with electric power assistance, offering precise and responsive control.
Market Reception & Comparison
The KTM X-Bow GT-XR 2.5 TFSI has been generally well-received by automotive critics, who praise its performance, handling, and unique design. The enclosed coupe body addresses a key criticism of earlier X-Bow models, making it a more practical and comfortable vehicle for everyday use. Fuel economy is rated at 9.1 l/100 km (25.8 US mpg), which is reasonable for a high-performance sports car. Compared to other high-performance coupes in its price range, the X-Bow GT-XR offers a more raw and visceral driving experience, prioritizing performance over luxury.
Legacy
The 2.5 TFSI engine has proven to be a reliable and durable powerplant in other Audi and Volkswagen applications. While long-term reliability data for the X-Bow GT-XR is still emerging, the robust construction and high-quality components suggest that it should be a dependable vehicle. On the used car market, the X-Bow GT-XR is expected to hold its value well, appealing to enthusiasts seeking a unique and high-performance sports car. Its limited production numbers and distinctive character will likely make it a sought-after collectible in the future.
