TVR 450 specs that decide the purchase

For 4.4 MT, the purchase-critical specs are:

For 4.4 MT, the purchase-critical specs are:

Those are the only numbers a buyer can compare. Anything else would be invented.

TVR 450 generations: what one generation means for a buyer

1 generation (1989-01-01–1993-12-31) is a Roadster with 1 version: 4.4 MT. There is no “early vs late generation” table and no restyling generation. A buyer who wants a later TVR 450 generation is looking at a generation that is not in this catalogue. The only year window that belongs to this listing is 1989-01-01 through 1993-12-31.

Because generation count is 1, generation-to-generation arithmetic is empty: power did not rise from gen 1 to gen 2, kerb did not fall, clearance did not change. The extra money, if any, cannot be spent on a second TVR 450 generation here. It is spent on whether 4.4 MT itself is the right specification.

TVR 450 engine: 4.4 MT power, torque, and what the extra capacity buys

4.4 MT is the only engine row. Displacement 4441 cm³ with 323 hp is 323 / 4.441 ≈ 72.7 hp per litre. Torque 421 Nm at 4000 rpm versus peak power at 5700 rpm is a 1700 rpm gap: the catalogue peak for newton-metres arrives 1700 rpm earlier than the catalogue peak for horsepower.

Boost is No. The buyer is not paying for a second, forced-induction 4.4 MT; there is no turbo row to compare. Cylinders 8, V-shaped, valves per cylinder 2, position Front, longitudinal, feed Distributed injection (multi-point), compression 9.75, bore × stroke 94 × 80, fuel Gasoline, grade 92.

Stroke 80 versus bore 94 is 80 / 94 ≈ 0.85 (stroke shorter than bore on the given pair). Compression 9.75 is the only compression figure; there is no high-compression sibling.

If a second version existed with the same name, this article would split it by horsepower. It does not: one name, 4.4 MT, one power, 323 hp.

TVR 450 gearbox and drive: Manual 5 and RWD, with no automatic alternative

4.4 MT is Manual, 5 gears, RWD. There is no Automatic row and no AWD row. Choosing “the manual” is not a trim choice; it is the only transmission. Choosing “rear-wheel drive” is not a drivetrain option; it is the only drive.

A buyer who needs more than 5 gears, or who needs a gearbox that is not Manual, or who needs a drive that is not RWD, is not choosing among TVR 450 versions in this data. They are leaving the model.

TVR 450 performance: 0-100, top speed, and mpg that is not measured

4.4 MT reaches 100 in 4.7 s and is listed at 250 top speed.

Kerb 1130 kg and 323 hp give 1130 / 323 ≈ 3.50 kg per horsepower. Gross 1415 kg and 323 hp give 1415 / 323 ≈ 4.38 kg per horsepower at full listed mass. The mass allowed above kerb is 1415 − 1130 = 285 kg. At the kerb figure, each of those 285 kg is 285 / 1130 ≈ 25.2% of kerb; at full mass the same car is 1415 / 1130 ≈ 1.25 times the kerb weight.

City consumption is not measured. Highway consumption is not measured. Combined consumption is not measured. A buyer ranking TVR 450 versions by mpg cannot rank them: there is one version and three consumption fields, all not measured. CO2 is not measured. Eco class is not measured. Fuel economy and emissions cannot be the reason to pick 4.4 MT over another TVR 450, because no other TVR 450 exists here and those figures are not measured.

Top speed 250 versus 0–100 4.7 is the only performance pair. There is no slower, cheaper 4.4 MT and no faster 4.4 MT.

TVR 450 dimensions, weight, clearance, tank, and wheels

Kerb 1130 kg, gross 1415 kg, payload from those two 285 kg. Ground clearance 150. Tank not measured — range cannot be calculated from a tank that is not measured and from consumption that is not measured.

Wheels listed for 4.4 MT: 225/50 R16 and 245/45 R16. That is a staggered pair on one version, not two versions with different wheel catalogues. A buyer is not choosing “the 16-inch car” versus “the 17-inch car”; both sizes in the list are R16. Front-rear section difference is 245 − 225 = 20 mm of listed section width; aspect 50 versus 45.

Front suspension Independent, spring, rear Independent, spring. Front brakes Ventilated disc, rear Disc. There is no second brake package in the data.

Which TVR 450 version to choose

Choose 4.4 MT if the arithmetic on this row is the car you want:

1. Power density. 323 hp from 4441 cm³ is about 72.7 hp/l. You are buying a Gasoline 8 V-shaped engine with boost No, not a smaller engine with a second, boosted catalogue line. 2. Mass versus power. About 3.50 kg/hp at 1130 kg kerb, about 4.38 kg/hp at 1415 kg gross. If you will run near gross, the same 323 hp is working against 285 kg more than kerb. 3. Sprint versus top speed. 4.7 s to 100 and 250 top speed are the only performance figures. They belong to 4.4 MT alone. 4. How you shift and which wheels drive. Manual 5 and RWD only. No second gearbox to “pay extra for.” 5. Fuel you can plan, and fuel you cannot. Grade 92 and type Gasoline are listed. Litres per distance are not measured. Tank size is not measured. Do not pick this version because of a claimed mpg; the catalogue does not measure it. 6. Clearance and wheels. 150 ground clearance; tyres 225/50 R16 and 245/45 R16. No second ride-height version. 7. Years. Production window 1989-01-01–1993-12-31. There is no later generation of this model in the data to buy instead.

Do not choose among fictional TVR 450 trims. Do not treat Disc rear brakes as a different spelling of another package; the English label in the data is Disc. Do not invent a Petrol Six or a layout that is not V-shaped. Do not use prices: they are not in the data, so “what the extra money buys” between versions is zero versions of extra money — there is no second row.

If Manual, RWD, Roadster, 323 hp, 421 Nm, 1130 kg, 4.7 s, and 250 are acceptable, the version to buy is 4.4 MT. If any of those is not acceptable, this catalogue has no other TVR 450 version to recommend.

TVR 450 reliability and problems: what this catalogue does not measure

Search queries about TVR 450 problems and reliability cannot be answered with failure rates, service intervals, or common faults from this dataset: those fields are not present. What can be stated without invention:

A reliability ranking between versions is impossible with 1 version. A reliability ranking between generations is impossible with 1 generation.

TVR 450 4.4 MT numbers in one block

4.4 MT (1 generation, Roadster, 1989-01-01–1993-12-31): 323 hp / 238 kW at 5700 rpm; 421 Nm at 4000 rpm; 4441 cm³; Gasoline; cylinders 8; V-shaped; valves per cylinder 2; boost No; Front, longitudinal; Distributed injection (multi-point); compression 9.75; 94 × 80; fuel 92; 0–100 4.7 s; top speed 250; Manual 5; RWD; city mpg not measured; highway mpg not measured; combined mpg not measured; tank not measured; CO2 not measured; eco class not measured; kerb 1130 kg; gross 1415 kg; clearance 150; wheels 225/50 R16, 245/45 R16; front suspension Independent, spring; rear suspension Independent, spring; front brakes Ventilated disc; rear brakes Disc.

That block is the whole choice set. The version to buy, in this catalogue, is 4.4 MT — or none of this model.