MG MGB GT V8
The ultimate factory MGB, combining Pininfarina style with lightweight Rover V8 power.
- Power
- 137 bhp
- 0–60 mph
- 7.7 s
- Top speed
- 125 mph
- Est. value
- $18k–$55k
About the MG MGB GT V8
Launched in 1973, the MGB GT V8 addressed the long-standing desire for more power in MG's popular B-series chassis. By using the aluminium Rover V8 engine, MG created a car that was significantly faster than the standard four-cylinder model while actually weighing approximately 20kg less. Despite its performance, the model was never officially exported to the United States due to emission regulations and internal politics at British Leyland. Today, it is highly prized by collectors for its effortless torque, improved weight distribution, and grand touring capabilities.
MG MGB GT V8 specs
The MG MGB GT V8 produces 137 bhp (102 kW) and 262 Nm (193 lb-ft) of torque. It reaches 60 mph in 7.7 seconds and has a top speed of 125 mph (201 km/h).
| Make | MG |
|---|---|
| Model | MGB GT V8 |
| Trim | 3.5 |
| Years | 1973–1976 |
| Type | Classic |
| Body style | Coupé |
| Country | United Kingdom |
| Production | About 2,591 built |
| Engine | 3.5-litre Rover V8 |
|---|---|
| Displacement | 3,528 cc (3.5 litres) |
| Induction | Naturally aspirated |
| Power | 137 bhp (102 kW) at 5,000 rpm |
| Torque | 262 Nm (193 lb-ft) |
| Redline | 5,500 rpm |
| 0–60 mph | 7.7 s |
| Top speed | 125 mph (201 km/h) |
| Transmission | 4-speed manual with overdrive |
| Drivetrain | Rear-wheel drive |
| Weight | 1,101 kg (2,427 lb) |
| Power-to-weight | 124 bhp per tonne |
Typical figures for the standard car; options, markets and model years vary. Where our specs come from
How much is an MG MGB GT V8 worth?
A typical MG MGB GT V8 is estimated to be worth $18,000 – $55,000 (about £13,000 – £41,000).
Values are directional estimates for a typical example, not appraisals. Condition, mileage, history and specification all change what a real car is worth. Pound figures use the exchange rate of 3 November 2026. How values are estimated
MG MGB GT V8 rarity in CarSpot
The MG MGB GT V8 is a Rare card in CarSpot, with a rarity score of 54 out of 100. Performance cars, typically worth around £50,000 to £100,000. A Rare card is worth 40 XP.
Each model's tier starts from a 0–100 score based on its value plus its power or production numbers. Once enough players have spotted a model, how often it is spotted can move it up or down one tier. How CarSpot rarity works
Rarity is a collectible game mechanic, not an assessment of real-world scarcity or value.
MG MGB GT V8 fun facts
- The Rover V8 engine used in the MGB GT V8 was actually lighter than the cast-iron 1.8-litre four-cylinder engine it replaced.
- British Leyland never produced a left-hand drive version of the factory V8, effectively locking it out of the lucrative North American market.
- The V8 was only ever offered in the GT hatchback body style, never as a factory roadster.