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MGF / MG TF

1995-2011 / Roadster / United Kingdom

// SPECIFICATIONS

Key Specifications

Spec MGF (1995--2002) MG TF (2002--2005) MG TF (2008--2011)
Production Years 1995--2002 2002--2005 2008--2011
Manufacturer MG Rover Group MG Rover Group Nanjing Automobile / SAIC Motor
Assembly Longbridge, Birmingham, England Longbridge, Birmingham, England Longbridge, Birmingham, England
Body Style 2-door mid-engine roadster 2-door mid-engine roadster 2-door mid-engine roadster
Layout Mid-engine, rear-wheel drive Mid-engine, rear-wheel drive Mid-engine, rear-wheel drive
Platform Rover PR3 (Hydragas) Rover PR3 (revised, coil spring) Rover PR3 (revised, coil spring)
Construction Steel monocoque with aluminium bonnet and boot lid Steel monocoque with aluminium bonnet and boot lid Steel monocoque with aluminium bonnet and boot lid
Wheelbase 2,375 mm (93.5 in) 2,375 mm (93.5 in) 2,375 mm (93.5 in)
Overall Length 3,913 mm (154.1 in) 3,910 mm (153.9 in) 3,910 mm (153.9 in)
Overall Width 1,628 mm (64.1 in) 1,628 mm (64.1 in) 1,628 mm (64.1 in)
Overall Height 1,264 mm (49.8 in) 1,261 mm (49.6 in) 1,261 mm (49.6 in)
Front Track 1,400 mm (55.1 in) 1,400 mm (55.1 in) 1,400 mm (55.1 in)
Rear Track 1,408 mm (55.4 in) 1,408 mm (55.4 in) 1,408 mm (55.4 in)
Kerb Weight 1,060--1,080 kg (2,337--2,381 lb) 1,070--1,120 kg (2,359--2,469 lb) 1,090--1,120 kg (2,403--2,469 lb)
Weight Distribution Approximately 45% front / 55% rear Approximately 45% front / 55% rear Approximately 45% front / 55% rear
Fuel Tank Capacity 50 L (11.0 imp gal) 50 L (11.0 imp gal) 50 L (11.0 imp gal)
Boot Capacity (hood up) 209 L (7.4 cu ft) 209 L (7.4 cu ft) 209 L (7.4 cu ft)
Boot Capacity (hood down) 140 L (4.9 cu ft) 140 L (4.9 cu ft) 140 L (4.9 cu ft)
Drag Coefficient 0.37 0.37 0.37
Roof Type Manually folding fabric soft top Manually folding fabric soft top Manually folding fabric soft top

Engine Specifications

1.8i K-Series -- 18K4F (MGF 1.8i / TF 120 / TF 135)

Spec Value
Configuration Inline 4-cylinder, DOHC, 16-valve
Designation 18K4F
Displacement 1,796 cc
Bore x Stroke 80.0 mm x 89.3 mm
Compression Ratio 10.5:1
Power (MGF 1.8i) 88 kW (118 bhp) @ 5,500 rpm
Power (TF 120) 90 kW (120 bhp) @ 5,500 rpm
Power (TF 135) 101 kW (135 bhp) @ 6,250 rpm
Torque (MGF 1.8i) 165 Nm (122 lb-ft) @ 3,000 rpm
Torque (TF 120) 165 Nm (122 lb-ft) @ 3,000 rpm
Torque (TF 135) 174 Nm (128 lb-ft) @ 4,000 rpm
Fuel System Rover MEMS multi-point sequential fuel injection
Valvetrain DOHC, 16 valves, hydraulic tappets
Block Material Aluminium alloy
Head Material Aluminium alloy, cross-flow
Cooling Water-cooled, mid-mounted radiator with twin side intakes
Oil Capacity 4.5 L (with filter)
Recommended Oil 5W-30 or 10W-40, API SL or higher
Redline 6,500 rpm

1.8i VVC K-Series -- 18K4K (MGF VVC / TF 160)

Spec Value
Configuration Inline 4-cylinder, DOHC, 16-valve, Variable Valve Control
Designation 18K4K
Displacement 1,796 cc
Bore x Stroke 80.0 mm x 89.3 mm
Compression Ratio 10.5:1
Power (MGF VVC) 107 kW (143 bhp) @ 7,000 rpm
Power (TF 160) 119 kW (160 bhp) @ 7,000 rpm
Torque (MGF VVC) 174 Nm (128 lb-ft) @ 4,500 rpm
Torque (TF 160) 174 Nm (128 lb-ft) @ 4,500 rpm
VVC Mechanism Eccentric disc varies inlet camshaft timing continuously between 220 and 295 degrees duration
Fuel System Rover MEMS multi-point sequential fuel injection
Valvetrain DOHC, 16 valves, hydraulic tappets, VVC on inlet cam
Block Material Aluminium alloy
Head Material Aluminium alloy, cross-flow
Cooling Water-cooled, mid-mounted radiator with twin side intakes
Oil Capacity 4.5 L (with filter)
Recommended Oil 5W-30 or 10W-40, API SL or higher
Redline 7,200 rpm

1.6i K-Series -- 16K4F (TF 115 only)

Spec Value
Configuration Inline 4-cylinder, DOHC, 16-valve
Designation 16K4F
Displacement 1,588 cc
Bore x Stroke 80.0 mm x 79.0 mm
Compression Ratio 10.5:1
Power 86 kW (115 bhp) @ 6,000 rpm
Torque 148 Nm (109 lb-ft) @ 4,000 rpm
Fuel System Rover MEMS multi-point sequential fuel injection
Valvetrain DOHC, 16 valves, hydraulic tappets
Block Material Aluminium alloy
Head Material Aluminium alloy, cross-flow
Cooling Water-cooled, mid-mounted radiator with twin side intakes
Oil Capacity 4.2 L (with filter)
Recommended Oil 5W-30 or 10W-40, API SL or higher
Redline 6,750 rpm
Notes Insurance-friendly entry-level model, introduced 2002

K-Series Head Gasket Note

All K-Series engines are susceptible to head gasket failure, particularly when overheated. The aluminium block and head expand at different rates under thermal stress. The original multi-layer steel (MLS) gasket and plastic dowels are the weak points. Uprated head gaskets (Payen or MLS upgrades), steel dowels, and PRT (pressurised coolant rail) modifications significantly improve reliability. The TF 135 received a revised gasket and coolant system as standard.

Transmission

PG1 5-Speed Manual (Standard, All Models)

Spec Value
Type Manual
Gears 5-speed, all synchromesh
Designation Rover PG1
Clutch Single dry plate, hydraulic actuation, 200 mm diameter

PG1 Gear Ratios (Standard)

Gear Ratio
1st 3.17
2nd 1.84
3rd 1.28
4th 0.95
5th 0.76
Reverse 3.13

Final Drive Ratios

Model Ratio
MGF 1.8i 3.94
MGF VVC 3.94
TF 115 4.20
TF 120 3.94
TF 135 3.94
TF 160 3.94

Steptronic CVT (Optional, MGF Only)

Spec Value
Type Continuously Variable Transmission (CVT)
Designation Jatco/ZF Steptronic
Mode Fully automatic or sequential manual (Steptronic) mode
Ratios Continuously variable, simulated 6-speed steps in manual mode
Availability Optional on MGF 1.8i only
Notes Low take-up rate, widely regarded as unreliable. Manual strongly preferred. Spares increasingly difficult to source

Suspension

Component MGF (Hydragas) MG TF (Coil Spring)
Front Type Independent, double wishbones, Hydragas interconnected units Independent, double wishbones, coil springs over gas dampers
Rear Type Independent, double wishbones, Hydragas interconnected units Independent, double wishbones, coil springs over gas dampers
Front Dampers Integral within Hydragas units Monotube gas dampers
Rear Dampers Integral within Hydragas units Monotube gas dampers
Interconnection Front-rear Hydragas interconnection (pitch control) None (independent corners)
Front Anti-roll Bar Yes Yes
Rear Anti-roll Bar Yes Yes
Ride Height Adjustment Hydragas pump (recharge via Schrader valves) Conventional (spring replacement or coilover conversion)

Suspension Notes

The MGF Hydragas system provides excellent ride quality and natural pitch control, but the displacer units can lose pressure over time and require periodic recharging. They are no longer manufactured by the original supplier, though aftermarket replacements and coil spring conversion kits are available. The TF switched to conventional coil springs and dampers for simpler servicing, sharper handling response, and reduced production cost.

Brakes

Component Front Rear
Type Ventilated disc Solid disc
Disc Diameter (standard 1.8i, TF 115/120) 240 mm (9.4 in) 240 mm (9.4 in)
Disc Diameter (VVC, TF 135/160) 282 mm (11.1 in) 240 mm (9.4 in)
Callipers Single-piston sliding (AP Racing) Single-piston sliding (AP Racing)
Servo Assisted Yes --
ABS Standard (from 1999 MGF, all TF models) --
Handbrake Cable-operated on rear discs --

Steering

Spec Value
Type Rack and pinion
Power Assist Electric power-assisted steering (EPAS)
Turns Lock-to-Lock 2.7
Turning Circle 10.6 m (34.8 ft)

Wheels and Tyres

Standard Fitment

Model Front Wheels Rear Wheels Front Tyres Rear Tyres
MGF 1.8i 6J x 15 alloy 7J x 15 alloy 185/55 R15 205/50 R15
MGF VVC 6J x 16 alloy 7J x 16 alloy 195/45 R16 215/40 R16
TF 115 6J x 15 alloy 7J x 15 alloy 185/55 R15 205/50 R15
TF 120 6J x 15 alloy 7J x 15 alloy 185/55 R15 205/50 R15
TF 135 6J x 16 alloy 7J x 16 alloy 195/45 R16 215/40 R16
TF 160 6J x 16 alloy 7J x 16 alloy 195/45 R16 215/40 R16

Wheel Specifications

Spec Value
Bolt Pattern (PCD) 4 x 95.25 mm (3.75 in)
Centre Bore 56.7 mm
Wheel Stud Thread M12 x 1.5
Staggered Setup Yes -- rear wheels wider than front on all models
Spare Wheel Space-saver (MGF); inflator kit (TF)

Performance (Approximate, Period Road Tests)

Metric MGF 1.8i MGF VVC TF 115 TF 120 TF 135 TF 160
0--60 mph 8.5 s 7.0 s 9.6 s 8.2 s 7.9 s 6.9 s
0--100 km/h 8.9 s 7.4 s 10.1 s 8.6 s 8.3 s 7.2 s
Quarter Mile 16.5 s 15.3 s 17.2 s 16.3 s 16.0 s 15.1 s
Top Speed 195 km/h (121 mph) 210 km/h (131 mph) 187 km/h (116 mph) 195 km/h (121 mph) 200 km/h (124 mph) 215 km/h (134 mph)

Fuel Economy (Approximate, Combined Driving)

Model Urban (L/100 km) Extra-Urban (L/100 km) Combined (L/100 km) Combined (mpg imperial)
MGF 1.8i 11.0 6.7 8.4 34
MGF VVC 11.8 6.8 8.7 32
TF 115 10.4 6.2 7.8 36
TF 120 10.8 6.5 8.2 34
TF 135 11.2 6.8 8.5 33
TF 160 12.0 7.0 9.0 31

Electrical

Spec Value
System 12V negative earth
Battery 12V, 50 Ah (located in boot area)
Alternator 85 A (standard), 100 A (later models / air-con equipped)
Headlights H4 halogen (MGF); projector-type H7 halogen (TF)
Daytime Running Lights Not fitted (pre-2008); standard (TF 2008--2011)
Engine Management (MGF, early) Rover MEMS 2J
Engine Management (MGF, late / TF) Rover MEMS 3
Immobiliser Lucas 5AS (MGF); Pektron alarm/immobiliser (TF)
Central Locking Standard (remote from 1999)
Electric Windows Standard
Heated Rear Window (in hood) Standard (from 2000 MGF, all TF)

Fluid Capacities

Fluid Capacity
Engine Oil (1.8L, with filter) 4.5 L
Engine Oil (1.6L, with filter) 4.2 L
Gearbox Oil (PG1) 2.4 L (MTF-94 or equivalent)
Coolant (total system) 7.0 L
Brake Fluid Reservoir 0.3 L
Power Steering N/A (electric power steering)
Fuel Tank 50 L

Service Intervals

Service Item Interval
Engine oil and filter 12 months or 10,000 km (6,000 miles)
Timing belt and tensioner 5 years or 50,000 km (30,000 miles)
Coolant renewal 3 years or 50,000 km (30,000 miles)
Spark plugs 20,000 km (12,000 miles)
Air filter 30,000 km (18,000 miles)
Brake fluid 24 months
Gearbox oil 50,000 km (30,000 miles)
Auxiliary drive belt 50,000 km (30,000 miles) or when cracked
Hydragas check/recharge (MGF only) Annually or as required
Brake disc and pad inspection 20,000 km (12,000 miles)
Exhaust and catalyst inspection 20,000 km (12,000 miles)

Engine Oil Specifications

Spec Value
Recommended Grade 5W-30 (preferred) or 10W-40
API Rating SL or higher (SM, SN acceptable)
ACEA Rating A3/B3 or A3/B4
Capacity (1.8L) 4.5 L (with filter), 4.0 L (without filter)
Capacity (1.6L) 4.2 L (with filter), 3.7 L (without filter)
Drain Plug Torque 25 Nm
Filter Type Spin-on canister
Notes Semi-synthetic or fully synthetic preferred. Avoid 0W-xx grades in engines with worn bores. Frequent oil changes (every 8,000 km) recommended for engines with high mileage

Model Variants

MGF 1.8i (1995--2002)

Spec Value
Engine 1,796 cc K-Series, 18K4F
Power 88 kW (118 bhp) @ 5,500 rpm
Torque 165 Nm (122 lb-ft) @ 3,000 rpm
Brakes 240 mm ventilated front, 240 mm solid rear
Wheels 15-inch alloy
Features Fabric hood, electric windows, driver airbag, immobiliser

MGF VVC (1995--2002)

Spec Value
Engine 1,796 cc K-Series VVC, 18K4K
Power 107 kW (143 bhp) @ 7,000 rpm
Torque 174 Nm (128 lb-ft) @ 4,500 rpm
Brakes 282 mm ventilated front, 240 mm solid rear
Wheels 16-inch alloy
Features As 1.8i plus fog lights, leather steering wheel, sports exhaust

MGF Trophy 160 (2001--2002)

Spec Value
Engine 1,796 cc K-Series VVC, tuned
Power 119 kW (160 bhp) @ 7,000 rpm
Torque 174 Nm (128 lb-ft) @ 4,500 rpm
Production Approximately 600 units
Features Multi-spoke 11-spoke alloy wheels, firmer suspension, unique Trophy 160 badging, half-leather interior, Tahiti Blue or X-Power Grey

TF 115 (2002--2005)

Spec Value
Engine 1,588 cc K-Series, 16K4F
Power 86 kW (115 bhp) @ 6,000 rpm
Torque 148 Nm (109 lb-ft) @ 4,000 rpm
Brakes 240 mm ventilated front, 240 mm solid rear
Wheels 15-inch alloy
Features Entry-level model, lower insurance group, fabric hood, electric windows

TF 120 (2002--2005)

Spec Value
Engine 1,796 cc K-Series, 18K4F
Power 90 kW (120 bhp) @ 5,500 rpm
Torque 165 Nm (122 lb-ft) @ 3,000 rpm
Brakes 240 mm ventilated front, 240 mm solid rear
Wheels 15-inch alloy
Features Revised front and rear styling over MGF, stiffer coil spring chassis

TF 135 (2002--2005, 2008--2011)

Spec Value
Engine 1,796 cc K-Series, 18K4F (higher state of tune)
Power 101 kW (135 bhp) @ 6,250 rpm
Torque 174 Nm (128 lb-ft) @ 4,000 rpm
Brakes 282 mm ventilated front, 240 mm solid rear
Wheels 16-inch alloy
Features Uprated engine with revised cam timing and intake, improved head gasket, sports suspension

TF 160 (2002--2005)

Spec Value
Engine 1,796 cc K-Series VVC, 18K4K (revised)
Power 119 kW (160 bhp) @ 7,000 rpm
Torque 174 Nm (128 lb-ft) @ 4,500 rpm
Brakes 282 mm ventilated front, 240 mm solid rear
Wheels 16-inch alloy
Features Highest-output production model, VVC engine, uprated cooling, sports suspension, partial leather interior

TF LE500 (2008--2011)

Spec Value
Engine 1,796 cc K-Series, 18K4F
Power 101 kW (135 bhp) @ 6,250 rpm
Torque 174 Nm (128 lb-ft) @ 4,000 rpm
Production 500 units (planned, not all produced)
Features Final production run under SAIC/Nanjing ownership, commemorative badging, unique colour options, Alcantara trim

TF 85th Anniversary (2009)

Spec Value
Engine 1,796 cc K-Series, 18K4F
Power 101 kW (135 bhp) @ 6,250 rpm
Torque 174 Nm (128 lb-ft) @ 4,000 rpm
Features Celebrating 85 years of MG, unique Metallic British Racing Green paint, chrome mirror caps, numbered plaque

Production Numbers (Worldwide, Approximate)

Variant Units
MGF 1.8i (all years) ~55,000
MGF VVC (all years) ~20,000
MGF Trophy 160 ~600
MGF Steptronic CVT variants ~2,400
MGF Total ~77,000
TF 115 ~5,000
TF 120 ~14,000
TF 135 ~14,000
TF 160 ~6,000
TF Total (2002--2005, pre-collapse) ~39,000
TF 135 (Nanjing/SAIC, 2008--2011) ~900
Grand Total (all MGF and TF) ~117,000

Identification

VIN Location

The Vehicle Identification Number is stamped on a plate riveted to the driver's side of the scuttle panel (visible through the windscreen) and etched into the bodyshell in the engine bay. The VIN is also recorded on the V5C registration document.

VIN Format (MGF)

Position Meaning
1--3 SAR (manufacturer code -- MG Rover)
4--5 RD (model designation -- MGF)
6 Body type (1 = roadster)
7--8 Engine code
9 Check digit
10 Model year
11 Assembly plant (D = Longbridge)
12--17 Sequential serial number

VIN Format (TF)

Position Meaning
1--3 SAR (manufacturer code -- MG Rover)
4--5 RD (model designation -- TF)
6 Body type (1 = roadster)
7--8 Engine code
9 Check digit
10 Model year
11 Assembly plant (D = Longbridge)
12--17 Sequential serial number

Engine Number Location

The engine number is stamped on the cylinder block, on the rear face (gearbox side), visible from above with the engine cover removed. Format: e.g., 18K4F followed by a sequential serial number.

Colours (Selected Factory Options)

MGF (1995--2002)

Colour Code Colour Name
BRG British Racing Green
HAD Tahiti Blue
HFF Anthracite
JFP Flame Red
LQV Amaranth (dark purple)
HFB Charcoal
HFD Wedgewood Blue
GMN Old English White
FAL Brooklands Green metallic
MBB Silver
NDT Solar Red
SCD Pacific Blue

MG TF (2002--2011)

Colour Code Colour Name
HFF Anthracite
JFP Flame Red
LQV Amaranth
MBB Silver
NUA Trophy Blue
PMA X-Power Grey
PMD Tornado Red
PMC Zircon Silver
SBW Enigmatic Silver
SJZ Le Mans Green
SVD Monogram Raven Black
2BU Celestial Black
HFE Spectre (gunmetal)
RDS Cup Coral

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